Comptia SY0 201 s

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Topic 1, Volume A

QUESTION NO: 1

CompTIA SY0-201 Exam

Which of the following cryptography types provides the same level of security but uses smaller key sizes and less computational resources than logarithms which are calculated against a finite field? A. Elliptical curve B. Diffie-Hellman C. Quantum D. El Gamal

Answer: A Explanation: QUESTION NO: 2

Which of the following BEST describes the purpose of fuzzing? A. To decrypt network sessions B. To gain unauthorized access to a facility C. To hide system or session activity D. To discover buffer overflow vulnerabilities

Answer: D Explanation: QUESTION NO: 3

A security administrator is reviewing remote access and website logs. The administrator notices that users have been logging in at odd hours from multiple continents on the same day. The security administrator suspects the company is the victim of which of the following types of attack? A. TCP/IP hijacking B. Spoofing C. Replay D. Domain name kiting

Answer: C Explanation:

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QUESTION NO: 4


Which of the following is the default rule found in a corporate firewalls access control list? A. Anti-spoofing B. Permit all C. Multicast list D. Deny all


Which of the following is the BEST choice of cryptographic algorithms or systems for providing whole disk encryption? A. One time pad B. PGP C. MD5 D. TKIP

Answer: C Explanation: QUESTION NO: 6

Which of the following allows a malicious insider to covertly remove information from an organization? A. NAT traversal B. Steganography C. Non-repudiation D. Protocol analyzer

Answer: B Explanation:


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QUESTION NO: 7


The server log shows 25 SSH login sessions per hour. However, it is a large company and the administrator does not know if this is normal behavior or if the network is under attack. Where should the administrator look to determine if this is normal behavior? A. Change management B. Code review C. Baseline reporting D. Security policy


Which of the following is the BEST approach to perform risk mitigation of user access control rights? A. Conduct surveys and rank the results. B. Perform routine user permission reviews. C. Implement periodic vulnerability scanning. D. Disable user accounts that have not been used within the last two weeks.

Answer: B Explanation: QUESTION NO: 9

Which of the following software should a security administrator implement if several users are stating that they are receiving unwanted email containing advertisements? A. Host-based firewalls B. Anti-spyware C. Anti-spam D. Anti-virus


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Adding a second firewall to the perimeter of a network would provide: A. user VLANs. B. failover capability. C. additional bandwidth. D. management of VLANs.


The security administrator is tasked with authenticating users to access an encrypted database. Authentication takes place using PKI and the encryption of the database uses a separate cryptographic process to decrease latency. Which of the following would describe the use of encryption in this situation? A. Private Key encryption to authenticate users and private keys to encrypt the database B. Private Key encryption to authenticate users and public keys to encrypt the database C. Public key encryption to authenticate users and public keys to encrypt the database D. Public key encryption to authenticate users and private keys to encrypt the database


A security device prevents certain users from accessing the network remotely with specific applications, but allows VPN connections without any issues. Which of the following access control models is being used? A. Mandatory B. Rule-based


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C. Discretionary D. Role-based



Which of the following would provide the MOST reliable proof that a datacenter was accessed at a certain time of day? A. Video surveillance B. Security log C. Entry log D. Proximity readers


Which of the following application attacks typically involves entering a string of characters and bypassing input validation to display additional information? A. Session hijacking B. Zero day attack C. SQL injection D. Cross-site scripting


Which of the following IDS/IPS systems is used to protect individual servers? A. NIPS B. NAC


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C. GRE D. HIPS



Which of the following technologies directly addresses the need to restrict employees from browsing inappropriate websites? A. Bastion host B. Firewall C. Proxy server D. Content filter


A security administrator working for a health insurance company needs to protect customer data by installing an HVAC system and a mantrap in the datacenter. Which of the following are being addressed? (Select TWO). A. Integrity B. Recovery C. Clustering D. Confidentiality E. Availability

Answer: A,E Explanation: QUESTION NO: 18

Which of the following camera types would allow a security guard to track movement from one spot throughout a data center?


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A. CCTV system B. PTZ camera C. Analog camera D. Digital camera



A user reports they are receiving odd emails. Upon investigation, the administrator finds that most of the users email boxes appear to be full and bouncing inbound emails at an alarming rate. Which of the following is MOST likely causing the problem? A. There is a worm attacking the network. B. the SMTP relay is not secured. C. There is a virus attacking the email server. D. The network is infected by adware.


Which of the following describes when forensic hashing should occur on a drive? A. After the imaging process and before the forensic image is captured B. Before the imaging process and then after the forensic image is created C. After the imaging process and after the forensic image is captured D. Before and after the imaging process and then hash the forensic image


A new file share has been created to store confidential exit interviews. Which of the following employees should have access to the file share?


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A. Human Resources Manager B. Chief Financial Officer C. Human Resources Recruiter D. System Administrator



Which of the following is a valid three factor authentication combination? A. PIN, thumb print, proximity card B. PIN, proximity card, key C. Retina scan, thumb print, proximity card D. PIN, thumb print, retina scan


A security administrator reviews the NIDS logs and notices fourteen unsuccessful logins with a subsequent successful login to a DMZ switch from a foreign IP address. Which of the following could have led to this network device being accessed? A. Default account B. Privilege escalation C. Denial of service D. Strong password


Which of the following has an embedded cryptographic token?


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A. PKI certificate B. TACACS C. ID badge D. Smartcard



A company runs a site, which has a search option available to the general public. The administrator is reviewing the site logs and notices an external IP address searching on the site at a rate of two hits per second. This is an indication of which of the following? A. Man-in-the-middle attack B. Data mining C. Cross-site scripting attack D. Denial of Service (DoS)


Which of the following allows an attacker to identify vulnerabilities within a closed source software application? A. Fuzzing B. Compiling C. Code reviews D. Vulnerability scanning


Using a combination of a fingerprint reader and retina scanner is considered how many factors of authentication?


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A. One B. Two C. Three D. Four



Instead of giving a security administrator full administrative rights on the network, the administrator is given rights only to review logs and update security related network devices. Additional rights are handed out to network administrators for the areas that fall within their job description. Which of the following describes this form of access control? A. Mandatory vacation B. Least privilege C. Discretionary D. Job rotation


Which of the following is a way to immediately push and force a group policy to a workstation? A. gpedit.msc B. gpresult.exe C. gpupdate.exe D. mmc.exe


Which of the following authentication services can be used to provide router commands to enforce


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policies? A. RADIUS B. Kerberos C. LDAP D. TACACS+



Which of the following is the BEST tool to deploy on the company network to monitor and log employee’s web surfing activity? A. Firewall B. Honeypot C. Proxy server D. Protocol analyzer

Answer: C Explanation: QUESTION NO: 32 A security administrator is implementing a solution that can integrate with an existing server and provide encryption capabilities. Which of the following would meet this requirement? A. Mobile device encryption B. Full disk encryption C. TPM D. HSM



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QUESTION NO: 33 CompTIA SY0-201 Exam

When using USB devices to transfer data from one workstation to another, which of the following should be performed? A. Scan with antivirus software. B. Disable USB ports on the workstation. C. Format the device. D. Use a new USB device to ensure security.


A Human Resource manager is assigning access to users in their specific department performing the same job function. This is an example of: A. role-based access control. B. rule-based access control. C. centralized access control. D. mandatory access control.


Which of the following ensures that an authorized employees access rights are based on a need to know? A. Least privilege B. Job rotation C. Implicit deny D. Separation of duties



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Which of the following is a technical control? A. System security categorization requirement B. Baseline configuration development C. Contingency planning D. Least privilege implementation


A programmer cannot change the production system directly and must have code changes reviewed and approved by the production system manager. Which of the following describes this control type? A. Discretionary access control B. Separation of duties C. Security policy D. Job rotation


Which of the following malware types is MOST commonly installed through the use of thumb drives to compromise systems and provide unauthorized access? A. Trojans B. Botnets C. Adware D. Logic bomb

Answer: A Explanation:


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Which of the following BEST describes an attack involving the interception and later retransmission of the same network traffic? A. Man-in-the-middle B. Domain name kiting C. Spoofing D. Replay


Which of the following BEST describes COOP? A. Determination of business impact based on an individual contingency and developing countermeasures to that contingency B. Planning disaster recovery functions and system movements for a 24-48 hour period after a disaster C. Development of a BIA, BCP, DRP, ITCP and other relevant aspects of the continuity process D. Restoring mission essential functions at an alternate site and performing those functions for up to 30 days


The network administrator is concerned about password security. Which of the following protocols should be used to remotely administer a router? A. Telnet B. rlogin C. PGP D. SSH

Answer: D Explanation:


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QUESTION NO: 42


A critical system in the datacenter is not connected to a UPS. The security administrator has coordinated an authorized service interruption to resolve this issue. This is an example of which of the following? A. Fault tolerance B. Continuity of operations C. Succession planning D. Data handling error


Which of the following is the BEST reason to choose a vulnerability assessment over a penetration test? A. The cost of OVAL vulnerability assessment tools B. The ability to banner grab from within the vulnerability assessment tool C. The high level of training available to staff regarding vulnerability assessments D. The low level of skill required to execute the vulnerability assessment


Which of the following protocols would allow an attacker to gather the MOST information about an unsecured network printer’s configuration? A. ICMP B. SNMP C. RBAC D. RTMP


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The BEST way to protect the confidentiality of sensitive data entered in a database table is to use: A. hashing. B. stored procedures. C. encryption. D. transaction logs.


A professor at a university is given two keys. One key unlocks a classroom door and the other locks it. The key used to lock the door is available to all other faculty. The key used to unlock the door is only given to the professor. Which of the following cryptography concepts is illustrated in the example above? A. Key escrow exchange B. Asymmetric key sharing C. Exchange of digital signatures D. Symmetric key sharing


In an effort to increase security, the security administrator revokes each user’s certificate after one year. Which of the following would keep an attacker from using the certificate? A. RA B. CRL C. PKI


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D. CA



WEP is seen as an unsecure protocol based on its improper use of which of the following? A. RC6 B. RC4 C. 3DES D. AES


Which of the following solutions would a security administrator MOST likely perform if they were trying to access several websites from a single workstation that were potentially dangerous (e.g. contain malware)? A. Update and enable the anti-spam software. B. Update input validation schemes. C. Setup a virtual machine on that workstation. D. Secure rogue access points.


A security engineer is troubleshooting a server in the DMZ, which cannot be reached from the Internet or the internal network. All other servers on the DMZ are able to communicate with this server. Which of the following is the MOST likely cause? A. The server is configured to reject ICMP packets.


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CompTIA SY0-201 Exam B. The server is on the external zone and it is configured for DNS only. C. The server is missing the default gateway. D. The server is on the internal zone and it is configured for DHCP only.


Which of the following is true about hardware encryption? (Select TWO). A. It must use elliptical curve encryption. B. It requires a HSM file system. C. It only works when data is not highly fragmented. D. It is faster than software encryption. E. It is available on computers using TPM.

Answer: D,E Explanation: QUESTION NO: 52

A security administrator would MOST likely put a network interface card into promiscuous mode to use which of the following utilities? (Select TWO). A. Wireshark B. Nessus C. Tcpdump D. Nmap E. L0phtcrack

Answer: A,C Explanation: QUESTION NO: 53

Which of the following would an administrator apply to mobile devices to BEST ensure the confidentiality of data?


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A. Screen locks B. Device encryption C. Remote sanitization D. Antivirus software



Which of the following should be performed on a computer to protect the operating system from malicious software? (Select TWO). A. Disable unused services B. Update NIDS signatures C. Update HIPS signatures D. Disable DEP settings E. Install a perimeter firewall

Answer: A,C Explanation: QUESTION NO: 55

A security administrator is assigned to develop an IP address scheme for the corporate network that allows internal users to have an IP address that cannot be routed to the Internet. Which of the following IP addresses would meet this requirement? A. 10.127.0.5 B. 63.75.131.27 C. 172.40.75.95 D. 192.186.202.48


Assigning access on a need-to-know basis is a best practice in which of the following controls?


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A. Risk assessment B. Account management C. Patch management D. Vulnerability assessment



In order to access the network, an employee must swipe their finger on a device. Which of the following describes this form of authentication? A. Single sign-on B. Multifactor C. Biometrics D. Tokens


Which of the following will prevent inbound ICMP traffic between systems? A. HIDS B. VPN C. Antivirus D. Personal firewall


Which of the following is BEST used to prevent ARP poisoning attacks across a network?


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A. VLAN segregation B. IPSec C. IP filters D. Log analysis



Which of the following BEST describes a malicious application that attaches itself to other files? A. Rootkits B. Adware C. Backdoors D. Virus


A physical server goes offline. It takes down six virtual web servers that it was hosting. This is an example of which of the following vulnerabilities? A. Man in the middle B. SQL injection C. Cross-site scripting D. Single point of failure


A security administrator wants to determine what data is allowed to be collected from users of the corporate Internet-facing web application. Which of the following should be referenced?


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A. Privacy policy B. Human Resources policy C. Appropriate use policy D. Security policy



A CA normally sends PKI data to which of the following servers? A. Root Authority B. LDAP C. DHCP D. RAS


A security administrator with full administrative rights on the network is forced to temporarily take time off of their duties. Which of the following describes this form of access control? A. Separation of duties B. Discretionary C. Mandatory vacation D. Least privilege


Which of the following are the BEST reasons to use an HSM? (Select TWO). A. Encrypt the CPU L2 cache


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B. Recover keys C. Generate keys D. Transfer keys to the CPU E. Store keys

Answer: C,E Explanation:

QUESTION NO: 66


Which of the following will provide the HIGHEST level of wireless network security? A. WPA2 B. SSH C. SSID D. WEP


Which of the following would an administrator do to ensure that an application is secure and all unnecessary services are disabled? A. Baselining B. Application hardening C. Secure application coding D. Patch management


Several existing, poorly documented networks have been integrated. Which of the following would define expected traffic with the LOWEST impact on existing processes?


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CompTIA SY0-201 Exam A. Configure the firewall to log all traffic and begin researching. B. Update all network services to use secure protocols. C. Configure the firewall to block all non-standard ports and review logs for blocked traffic. D. Update signatures on the intrusion detection devices and review alerts.


The CRL allows: A. new certificates to be generated. B. a centralized database of authenticated users. C. a recovery agent to decide which certificates to authenticate. D. immediate certificate revocation.


A company hires a security firm to assess the security of the company’s network. The company does not provide the firm with any internal knowledge or documentation of the network. Which of the following should the security firm perform? A. Black hat B. Black box C. Gray hat D. Gray box


An employee’s workstation is connected to the corporate LAN. Due to content filtering restrictions, the employee attaches a 3G Internet dongle to get to websites that are blocked by the corporate gateway. Which of the following BEST describes a security implication of this practice?


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CompTIA SY0-201 Exam A. A corporate LAN connection and a 3G Internet connection are acceptable if a host firewall is installed. B. The security policy should be updated to state that corporate computer equipment should be dual-homed. C. Content filtering should be disabled because it may prevent access to legitimate sites. D. Network bridging must be avoided otherwise it may join two networks of different classifications.


The head of security wants to implement an IDS that relies on a baseline to send alerts when suspicious traffic crosses the network. Which of the following BEST describes this type of IDS configuration? A. Network-based IDS B. Host-based IDS C. Anomaly-based IDS D. Signature-based IDS


Which of the following risks may result from improper use of social networking and P2P software? A. Shoulder surfing B. Denial of service C. Information disclosure D. Data loss prevention



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CompTIA SY0-201 Exam An administrator needs to setup devices on a network that will make it possible for the company to separate resources within the internal network. Which of the following BEST describes the needed network design? A. DMZ B. VLAN C. NAT D. NAC


Data can potentially be stolen from a disk encrypted, screen-lock protected, smart phone by which of the following? A. Bluesnarfing B. IV attack C. Honeynet D. SIM cloning


As a computer forensic analyst, which of the following is MOST critical when working with multiple machines? A. Power off the machines as quickly as possible. B. Document all actions performed. C. Verify all data has been recently backed up. D. Check for the presence of RAID arrays.



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The administrator wishes to monitor incoming traffic, but does not want to risk accidentally blocking legitimate traffic. Which of the following should the administrator implement? A. A client-based firewall B. A DMZ C. A NIDS D. A HIPS


A user reports that their home page is being redirected to an obscure website. An antivirus scan shows no abnormalities. Which of the following is the MOST probable cause? A. Worm B. Botnet C. Spam D. Rootkit


A company wants to sell some old cell phones on an online auction to recover some of the cost of the newer phones. Which of the following should be done to ensure the confidentiality of the information that is stored on the phones (e.g. client phone numbers and email communications)? A. Degauss the phones for 30 minutes. B. Contact the vendor. C. Manually delete the phone book entries and all email in the phone. D. Perform a master reset.



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Which of the following BEST describes S/MIME certificates? A. They use public and private keys. B. They provide non-repudiation. C. They make all emails a fixed size. D. They automatically append legal disclaimers to emails.


An employee is processing classified information on a secured laptop and leaves the laptop unlocked in a public place. This negligence may BEST be attributed to: A. a weak intrusion detection system. B. password complexity issues. C. absence of due diligence. D. lack of security education and awareness training.


Which of the following is the primary concern when using a Halon fire suppression system to cover an entire data center? A. Ample time to remove backup tapes B. Ample space to install servers near the system C. Adequate volume to cover all equipment D. Adequate evacuation time for personnel



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A certificate that has been compromised should be published to which of the following? A. AES B. CA C. CRL D. PKI


When a user first moves into their residence, the user receives a key that unlocks and locks their front door. This key is only given to them but may be shared with others they trust. Which of the following cryptography concepts is illustrated in the example above? A. Asymmetric key sharing B. Exchange of digital signatures C. Key escrow exchange D. Symmetric key sharing


Which of the following wireless security controls can be easily and quickly circumvented using only a network sniffer? (Select TWO). A. MAC filtering B. Disabled SSID broadcast C. WPA2-Enterprise D. EAP-TLS E. WEP with 802.1x

Answer: A,E Explanation:


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Which of the following is a best practice to identify fraud from an employee in a sensitive position? A. Acceptable usage policy B. Separation of duties C. False positives D. Mandatory vacations


QUESTION NO: 87

A security administrator is tasked with ensuring that all servers are highly available and that hard drive failure will not affect an individual server. Which of the following configurations will allow for high availability? (Select TWO). A. Hardware RAID 5 B. Load sharing C. Server clustering D. Software RAID 1 E. Load balancing

Answer: A,C Explanation:

QUESTION NO: 88

In the context of authentication models the concept of identification is BEST described as which of the following? A. Providing identity documents to a new user based on approved paperwork. B. Verifying that a user is authorized to access a computer system. C. The last step in a three-factor authentication process. D. Verifying that a user’s identity matches a set of provided credentials.


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Which of the following provides the STRONGEST hashing? A. AES512 B. SHA256 C. AES256 D. MD5


Which of the following is the correct formula for calculating mean time to restore (MTTR)? A. MTTR = (time of fail) / (time of restore) B. MTTR = (time of fail) - (time of restore) C. MTTR = (time of restore) - (time of fail) D. MTTR = (time of restore) x (time of fail)


Which of the following represents the complexity of a password policy which enforces lower case password using letters from a through z where n is the password length? A. n26 B. 2n * 26 C. 26n D. n2 * 26

Answer: C


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Explanation: QUESTION NO: 92


MAC filtering is a form of which of the following? A. Virtualization B. Network Access Control C. Virtual Private Networking D. Network Address Translation


Which of the following would BEST prevent the theft of laptops located in the corporate office? A. Install security cameras inside the building. B. Configure all laptops with passwords. C. Require all employees to use company supplied device locks to secure the laptops. D. Install locator software that sends its location back to the corporate office.


Which of the following do environmental controls influence? A. Wire shielding B. Room lighting C. Fire suppression D. System availability



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Which of the following protocols would be the MOST secure method to transfer files from a host machine? A. SFTP B. WEP C. TFTP D. FTP


Which of the following would be a reason the IT department would disallow the use of USB flash storage devices? A. The stored data might be out of date with networked-stored equivalents. B. Users can inadvertently spread viruses. C. Data stored on the device may be copyrighted. D. Users might be using incompatible USB 1.0 technology.


Which of the following is a vulnerability introduced into a hardware or software product by the developer? A. Null session B. Default account C. Weak password D. Back door



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A network device blocking incoming traffic which does not match an internal request for traffic is considered to have: A. stateful packet inspection. B. behavior based heuristics. C. an implicit allow rule. D. URL filtering.


Which of the following is the GREATEST security risk posed by removable media? A. Disclosure of cryptographic algorithms B. Loss of data integrity C. Disclosure of public keys D. Loss of confidential data


Which of the following operating system characteristics allows malware propagation via USB storage devices? (Select TWO). A. Small size B. Autorun C. Large memory space D. Mobility E. Plug 'n play

Answer: B,E Explanation:


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ARP poison routing attacks are an example of which of the following? A. Distributed Denial of Service B. Smurf Attack C. Man-in-the-middle D. Vishing


Topic 2, Volume B

QUESTION NO: 102

Which of the following logical access control methods would a security administrator need to modify in order to control network traffic passing through a router to a different network?

A. Configuring VLAN 1 B. ACL C. Logical tokens D. Role-based access control changes


Which of the following tools limits external access to the network?

A. IDS B. VLAN C. Firewall D. DMZ



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QUESTION NO: 104


Which of the following tools was created for the primary purpose of reporting the services that are open for connection on a networked workstation?

A. Protocol analyzer B. Port scanner C. Password crackers D. Vulnerability scanner


Which of the following is MOST likely to be an issue when turning on all auditing functions within a system?

A. Flooding the network with all of the log information B. Lack of support for standardized log review tools C. Too much information to review D. Too many available log aggregation tools


Upon opening the browser, a guest user is redirected to the company portal and asked to agree to the acceptable use policy. Which of the following is MOST likely causing this to appear?

A. NAT B. NAC C. VLAN D. DMZ



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QUESTION NO: 107


USB devices with a virus delivery mechanism are an example of which of the following security threats?

A. Adware B. Trojan C. Botnets D. Logic bombs


Cell phones with network access and the ability to store data files are susceptible to which of the following risks?

A. Input validation errors B. SMTP open relays C. Viruses D. Logic bombs


When establishing a connection between two IP based routers, which of the following protocols is the MOST secure?

A. TFTP B. HTTPS C. FTP D. SSH



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QUESTION NO: 110


Which of the following algorithms provides better protection against brute force attacks by using a 160-bit message digest?

A. MD5 B. SHA-1 C. LANMAN D. NTLM


Which of the following access control technologies provides a rolling password for one-time use?

A. RSA tokens B. ACL C. Multifactor authentication D. PIV card


Which of the following technologies is used to verify that a file was not altered?

A. RC5 B. AES C. DES D. MD5



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Which of the following uses an RC4 key that can be discovered by eavesdropping on plain text initialization vectors?

A. WEP B. TKIP C. SSH D. WPA


An administrator wants to crack passwords on a server with an account lockout policy. Which of the following would allow this without locking accounts?

A. Try guessing passwords slow enough to reset the bad count interval. B. Try guessing passwords with brute force. C. Copy the password file offline and perform the attack on it. D. Try only real dictionary words.


A user reports that each time they attempt to go to a legitimate website, they are sent to an inappropriate website. The security administrator suspects the user may have malware on the computer, which manipulated some of the user's files. Which of the following files on the user's system would need to be checked for unauthorized changes?

A. SAM B. LMhosts C. Services D. Hosts



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QUESTION NO: 116


An administrator needs to limit and monitor the access users have to the Internet and protect the internal network. Which of the following would MOST likely be implemented?

A. A heuristic firewall B. DNS caching on the client machines C. A pushed update modifying users' local host file D. A content-filtering proxy server


Which of the following is a malicious program used to capture information from an infected computer?

A. Trojan B. Botnet C. Worm D. Virus


The security administrator needs to make a change in the network to accommodate a new remote location. The new location will be connected by a serial interface, off the main router, through a commercial circuit. This remote site will also have traffic completely separated from all other traffic. Which of the following design elements will need to be implemented to accommodate the new location?

A. VLANs need to be added on the switch but not the router. B. The NAT needs to be re-configured to allow the remote location. C. The current IP scheme needs to be subnetted. D. The switch needs to be virtualized and a new DMZ needs to be created


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Which of the following is the MOST secure authentication method?

A. Smartcard B. Iris C. Password D. Fingerprints


Mitigating security risks by updating and applying hot fixes is part of:

A. patch management. B. vulnerability scanning. C. baseline reporting. D. penetration testing.


When reviewing IDS logs, the security administrator notices many events pertaining to a "NOOP sled". Which of the following attacks is occurring?

A. Man-in-the-middle B. SQL injection C. Buffer overflow D. Session hijacking



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QUESTION NO: 122


Which of the following is the MAIN difference between a hotfix and a patch?

A. Hotfixes follow a predetermined release schedule while patches do not. B. Hotfixes are smaller than patches. C. Hotfixes may be released at anytime and will later be included in a patch. D. Patches can only be applied after obtaining proper approval, while hotfixes do not need management approval


A vulnerability assessment was conducted against a network. One of the findings indicated an out- dated version of software. This is an example of weak:

A. security policies. B. patch management. C. acceptable use policies. D. configuration baselines.


Which of the following tools can execute a ping sweep?

A. Protocol analyzer B. Anti-virus scanner C. Network mapper D. Password cracker



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Which of the following is a newer version of SSL?

A. SSH B. IPSec C. TLS D. L2TP


A technician visits a customer site which prohibits portable data storage devices. Which of the following items would be prohibited? (Select TWO).

A. USB Memory key B. Bluetooth-enabled cellular phones C. Wireless network detectors D. Key card E. Items containing RFID chips

Answer: A,B Explanation: QUESTION NO: 127

Which of the following is used when performing a qualitative risk analysis?

A. Exploit probability B. Judgment C. Threat frequency D. Asset value



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CompTIA SY0-201 Exam A certificate has been revoked, and the administrator has issued new keys. Which of the following must now be performed to exchange encrypted email?

A. Exchange private keys with each other B. Recover old private keys C. Recover old public keys D. Exchange public keys with each other


Exploitation of security vulnerabilities is used during assessments when which of the following is true?

A. Security testers have clear and written authorization to conduct vulnerability scans. B. Security testers are trying to document vulnerabilities without impacting network operations. C. Network users have permissions allowing access to network devices with security weaknesses. D. Security testers have clear and written authorization to conduct penetration testing.


Which of the following should a technician deploy to detect malicious changes to the system and configuration?

A. Pop-up blocker B. File integrity checker C. Anti-spyware D. Firewall



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CompTIA SY0-201 Exam In order to prevent data loss in case of a disk error which of the following options would an administrator MOST likely deploy?

A. Redundant connections B. RAID C. Disk striping D. Redundant power supplies


A technician has installed security software; shortly thereafter the response time slows considerably. Which of the following can be used to determine the effect of the new software?

A. Event logs B. System monitor C. Performance monitor D. Protocol analyzer


After installing database software the administrator must manually change the default administrative password, remove a default database, and adjust permissions on specific files. These actions are BEST described as:

A. vulnerability assessment. B. mandatory access control. C. application hardening. D. least privilege

Answer: C Explanation: Perhaps as important as OS and network hardening is application hardening—securing an application against local and Internet-based attacks. Hardening applications is fairly similar to hardening operating systems—you remove the functions or components you don’t need, restrict access where you can, and make sure the application is kept up todate with patches


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Incorrect answer: Not MAC:


amandatoryaccesscontrolis “a means of restrictingaccessto objects based on the sensitivity (as represented by a label) of the information contained in the objects and the formal authorization (i.e., clearance) of subjects toaccessinformation of such sensitivity.” In this case, the owner or subject can’t determine whetheraccessis to be granted to another subject; it is the job of the operating system to decide. In MAC, the security mechanismcontrolsaccessto all objects, and individual subjects cannot change thataccess. The key here is the label attached to every subject and object. The label will identify the level of classification for that object and the level to which the subject is entitled Security+ All-in-One Guide 2ndEdition Ch 2:Operational Organizational Security

QUESTION NO: 134

Which of the following is the BEST mitigation method to implement when protecting against a discovered OS exploit?

A. NIDS B. Patch C. Antivirus update D. HIDS


Which of the following is the primary concern of governments in terms of data security?

A. Integrity B. Availability C. Cost D. Confidentiality



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Which of the following is BEST used to change common settings for a large number of deployed computers?

A. Group policies B. Hotfixes C. Configuration baselines D. Security templates


Which of the following solutions would a company be MOST likely to choose if they wanted to conserve rack space in the data center and also be able to manage various resources on the servers?

A. Install a manageable, centralized power and cooling system B. Server virtualization C. Different virtual machines on a local workstation D. Centralize all blade servers and chassis within one or two racks


A rogue wireless network is showing up in the IT department. The network appears to be coming from a printer that was installed. Which of the following should have taken place, prior to this printer being installed, to prevent this issue?

A. Installation of Internet content filters to implement domain name kiting. B. Penetration test of the network to determine any further rogue wireless networks in the area. C. Conduct a security review of the new hardware to determine any possible security risks. D. Implement a RADIUS server to authenticate all users to the wireless network.



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QUESTION NO: 139


Which of the following characteristics distinguishes a virus from a rootkit, spyware, and adware?

A. Eavesdropping B. Process hiding C. Self-replication D. Popup displays


Which of the following is used to generate keys in PKI?

A. AES B. RSA C. DES D. 3DES


Which of the following methods is a best practice for granting access to resources?

A. Add ACLs to computers; add computers to groups. B. Add ACLs to users; add users to groups. C. Add users to ACLs; add computers to groups. D. Add groups to ACLs; add users and computers to groups.



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CompTIA SY0-201 Exam Which of the following may cause a user, connected to a NAC-enabled network, to not be prompted for credentials?

A. The user's PC is missing the authentication agent. B. The user's PC is not fully patched. C. The user's PC is not at the latest service pack. D. The user's PC has out-of-date antivirus software.


When used to encrypt transmissions, which of the following is the MOST resistant to brute force attacks?

A. SHA B. MD5 C. 3DES D. AES256


Which of the following BEST describes how the private key is handled when connecting to a secure web server?

A. The key is not shared and remains on the server B. Anyone who connects receives the key C. Only users from configured IP addresses received the key D. All authenticated users receive the key



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CompTIA SY0-201 Exam A user visits their normal banking website. The URL is correct and the website is displayed in the browser, but the user gets an SSL warning that the SSL certificate is invalid as it is signed by an unknown authority. Which of the following has occurred?

A. Domain name kiting B. Privilege escalation C. Replay attack D. Man-in-the-middle attack


A technician reviews the system log entries for an internal DNS server. Which of the following entries MOST warrants further investigation?

A. DNS query from a source outside the organization B. DNS query from a source inside the organization C. Zone transfer to a source inside the organization D. Zone transfer to a source outside the organization


Monitoring a computer's logs and critical files is part of the functionality of a

A. NIPS. B. HIDS. C. firewall. D. honeypot.



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CompTIA SY0-201 Exam Which of the following can be implemented as an OS hardening practice to mitigate risk?

A. Domain name kiting B. Removable storage C. Input validation D. Security templates


Continuously documenting state and location of hardware from collection to disposition during a forensic investigation is known as:

A. risk mitigation. B. data handling. C. chain of custody. D. incident response.


Which of the following is an example of two factor authentication?

A. PIN and password B. Smartcard and token C. Smartcard and PIN D. Fingerprint and retina scan


Which of the following uses a three-way-handshake for authentication and is commonly used in PPP connections?


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A. MD5 B. CHAP C. Kerberos D. SLIP



A security analyst has been notified that one of the web servers has stopped responding to web traffic. The network engineer also reports very high bandwidth utilization to and from the Internet. Which of the following logs is MOST likely to be helpful in finding the cause and source of the problem?

A. Access log B. Event log C. System log D. Firewall log


Which of the following ports would need to be open to allow TFTP by default?

A. 69 B. 110 C. 137 D. 339


Which of the following transmission types would an attacker most likely use to try to capture data packets?


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A. Shielded twisted pair B. Fiberoptic C. Bluesnarfing D. Wireless



Which of the following describes a port that is left open in order to facilitate access at a later date?

A. Honeypot B. Proxy server C. Open relay D. Backdoor


Which of the following is often bundled with freely downloaded software?

A. Cookies B. Logic bomb C. Adware D. Spam


Which of the following security types would require the use of certificates to verify a user's identity?

A. Forensics B. CRL


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C. PKI D. Kerberos



Which of the following can increase risk? (Select TWO]

A. Vulnerability B. Mantrap C. Configuration baselines D. Threat source E. Mandatory vacations

Answer: A,D Explanation: QUESTION NO: 159

An administrator believes a user is secretly transferring company information over the Internet. The network logs do not show any non-standard traffic going through the firewall. Which of the following tools would allow the administrator to better evaluate the contents of the network traffic?

A. Vulnerability scanner B. Network anomaly detection C. Protocol analyzer D. Proxy server


Which of the following monitoring technology types is MOST dependent on receiving regular updates?

A. Signature-based


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B. Kerberos-based C. Behavior-based D. Anomaly-based



A company has just recovered from a major disaster. Which of the following should signify the completion of a disaster recovery?

A. Verify all servers are back online and working properly. B. Update the disaster recovery plan based on lessons learned. C. Conduct post disaster recovery testing. D. Verify all network nodes are back online and working properly.


Which of the following is a public key cryptosystem?

A. RSA B. SHA-1 C. 3DES D. MD5


A user tries to plug their laptop into the company's network and receives a warning that their patches and virus definitions are out-of-date. This is an example of which of the following mitigation techniques?

A. NAT


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B. Honeypot C. NAC D. Subnetting



A file has been compromised with corrupt data and might have additional information embedded within it. Which of the following actions should a security administrator follow in order to ensure data integrity of the file on that host?

A. Disable the wireless network and copy the data to the next available USB drive to protect the data B. Perform proper forensics on the file with documentation along the way. C. Begin chain of custody for the document and disallow access. D. Run vulnerability scanners and print all reports of all diagnostic results.


Every company workstation contains the same software prior to being assigned to workers. Which of the following software options would give remote users the needed protection from outside attackers when they are outside of the company's internal network?

A. HIDS B. Vulnerability scanner C. Personal firewall D. NIPS


To ensure users are logging into their systems using a least privilege method, which of the following should be done?


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CompTIA SY0-201 Exam A. Create a user account without administrator privileges. B. Employ a BIOS password that differs from the domain password. C. Enforce a group policy with the least amount of account restrictions. D. Allow users to determine their needs and access to resources.


A recent security audit shows an organization has been infiltrated with a former administrator's credentials. Which of the following would be the BEST way to mitigate the risk of this vulnerability?

A. Conduct periodic audits of disaster recovery policies. B. Conduct periodic audits of password policies. C. Conduct periodic audits of user access and rights. D. Conduct periodic audits of storage and retention policies.


A security administrator is analyzing the packet capture from an IDS triggered filter. The packet capture shows the following string:

<scrip>source=http://www.evilsite.jp/evil.js</script>

Which of the following attacks is occurring?

A. SQL injection B. Redirection attack C. Cross-site scripting D. XLM injection



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CompTIA SY0-201 Exam A user wants to edit a file that they currently have read-only rights to; however, they are unable to provide a business justification, so the request is denied. This is the principle of:

A. separation of duties. B. job-based access control C. least privilege. D. remote access policy.


Which of the following concepts addresses the threat of data being modified without authorization?

A. Integrity B. Key management C. Availability D. Non-repudiation


An attacker sends packets to a host in hopes of altering the host's MAC table. Which of the following is the attacker attempting to do?

A. Port scan B. Privilege escalation C. DNS spoofing D. ARP poisoning


Which of the following is a best practice for organizing users when implementing a least privilege


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model?

A. By function B. By department C. By geographic location D. By management level



Which of the following describes how long email messages are available in case of a subpoena?

A. Backup procedures B. Retention policy C. Backup policy D. Email server configuration


Management would like to know if anyone is attempting to access files on the company file server. Which of the following could be deployed to BEST provide this information?

A. Software firewall B. Hardware firewall C. HIDS D. NIDS


Which of the following is the correct risk assessment equation? "A Composite Solution With Just One Click" - Certification Guaranteed

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CompTIA SY0-201 Exam A. Risk = exploit x number of systems x cost of asset B. Risk = infections x number of days infected x cost of asset C. Risk = threat x vulnerability x cost of asset D. Risk = vulnerability x days unpatched x cost of asset


Which of the following is of the GREATEST concern in regard to a rogue access point?

A. Rogue access points are hard to find and remove from the network. B. Rogue access points can scan the company's wireless networks and find other unencrypted and rouge access points C. The radio signal of the rogue access point interferes with company approved access points. D. Rogue access points can allow unauthorized users access the company's internal networks.


The process of validating a user's claimed identity is called

A. identification. B. authorization. C. validation. D. repudiation.


Which of the following is a benefit of utilizing virtualization technology?

A. Lowered cost of the host machine B. Less overhead cost of software licensing


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CompTIA SY0-201 Exam C. Streamline systems to a single OS D. Fewer systems to monitor physical access


The security administrator wants to increase the cipher strength of the company's internal root certificate. Which of the following would the security administer use to sign a stronger root certificate?

A. Certificate authority B. Registration authority C. Key escrow D. Trusted platform module


Which of the following describes a semi-operational site that in the event of a disaster, IT operations can be migrated?

A. Hot site B. Warm site C. Mobile site D. Cold site


Which of the following devices hooks into a LAN and captures traffic?

A. Protocol analyzer B. Protocol filter


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C. Penetration testing tool D. Vulnerability assessment tool



When assessing a network containing resources that require near 100% availability, which of the following techniques should be employed to assess overall security?

A. Penetration testing B. Vulnerability scanning C. User interviews D. Documentation reviews


Which of the following would MOST likely contain a <SCRIPT> tag?

A. Cookies B. XSS C. DOS D. Buffer overflow


Which of the following is a reason why wireless access points should not be placed near a building's perimeter?

A. Rouge access points B. Vampire taps C. Port scanning


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D. War driving



A new enterprise solution is currently being evaluated due to its potential to increase the company's profit margins. The security administrator has been asked to review its security implications. While evaluating the product, various vulnerability scans were performed. It was determined that the product is not a threat but has the potential to introduce additional vulnerabilities. Which of the following assessment types should the security administrator also take into consideration while evaluating this product?

A. Threat assessment B. Vulnerability assessment C. Code assessment D. Risk assessment


Which of the following tools BEST identifies the method an attacker used after they have entered into a network?

A. Input validation B. NIDS C. Port scanner D. HIDS


Which of the following is a major risk associated with cloud computing?


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CompTIA SY0-201 Exam A. Loss of physical control over data B. Increased complexity of qualitative risk assessments C. Smaller attack surface D. Data labeling challenges


Which of the following is MOST likely the reason why a security administrator would run a Nessus report on an important server?

A. To analyze packets and frames B. To report on the performance of the system C. To scan for vulnerabilities D. To enumerate and crack weak system passwords


Which of the following BEST describes how the mandatory access control (MAC) method works?

A. It is an access policy based on a set of rules. B. It is an access policy based on the role that the user has in an organization. C. It is an access policy based on biometric technologies. D. It is an access policy that restricts access to objects based on security clearance.


Using a smartcard and a physical token is considered how many factors of authentication?

A. One B. Two


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C. Three D. Four



Which of the following protocols is considered more secure than SSL?

A. TLS B. WEP C. HTTP D. Telnet


A NIDS monitoring traffic on the public-side of a firewall provides which of the following?

A. Faster alerting to internal compromises B. Intelligence about external threats C. Protection of the external firewall interface D. Prevention of malicious traffic


Which of the following is an important part of disaster recovery training?

A. Schemes B. Storage locations C. Chain of custody D. Table top exercises


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Which of the following would a network administrator implement to control traffic being routed between networks or network segments in an effort to preserve data confidentiality?

A. NAT B. Group policies C. Password policies D. ACLs


The security administrator wants each user to individually decrypt a message but allow anybody to encrypt it. Which of the following MUST be implemented to allow this type of authorization?

A. Use of digital certificates B. Use of public keys only C. Use of private keys only D. Use of public and private keys


A security administrator is analyzing the packet capture from an IDS triggered filter. The packet capture shows the following string:

a or1 ==1--

Which of the following attacks is occurring?


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A. Cross-site scripting B. XML injection C. Buffer overflow D. SQL injection



Which of the following has been implemented if several unsuccessful login attempts were made in a short period of time denying access to the user account, and after two hours the account becomes active?

A. Account lockout B. Password expiration C. Password disablement D. Screen lock


Which of the following BEST describes an intrusion prevention system?

A. A system that stops an attack in progress. B. A system that allows an attack to be identified. C. A system that logs the attack for later analysis. D. A system that serves as a honeypot.


In the event of a disaster, in which the main datacenter is immediately shutdown, which of the following would a company MOST likely use with a minimum Recovery Time Objective?


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A. Fault tolerance B. Hot site C. Cold site D. Tape backup restoration



Which of the following methods involves placing plain text data within a picture or document?

A. Steganography B. Digital signature C. Transport encryption D. Stream cipher


Which of the following is a detective security control?

A. CCTV B. Firewall C. Design reviews D. Bollards

Answer: A Explanation:

Topic 3, Volume C

QUESTION NO: 202

Which of the following can cause hardware based drive encryption to see slower deployment?


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A. A lack of management software B. USB removable drive encryption C. Role/rule-based access control


D. Multifactor authentication with smart cards


Which of the following is a reason to implement Kerberos over local system authentication?

A. Authentication to multiple devices B. Centralized file integrity protection C. Non-repudiation D. Greater password complexity


Which of the following should a security administrator implement to ensure there are no security holes in the OS?

A. Encryption protocols B. Firewall definitions C. Patch management D. Virus definitions


Which of the following cipher types is used by AES?

A. Block B. Fourier


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C. Stream D. Turing



Which of the following control systems is used to maintain proper environmental conditions in a datacenter?

A. HVAC B. Bollards C. CCTV D. Mantrap


A penetration test shows that almost all database servers were able to be compromised through a default database user account with the default password. Which of the following is MOST likely missing from the operational procedures?

A. Application hardening B. OS hardening C. Application patch management D. SQL injection


A user reports that their 802.11n capable interface connects and disconnects frequently to an access point that was recently installed. The user has a Bluetooth enabled laptop. A company in the next building had their wireless network breached last month. Which of the following is MOST likely causing the disconnections?


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CompTIA SY0-201 Exam A. An attacker inside the company is performing a bluejacking attack on the user's laptop. B. Another user's Bluetooth device is causing interference with the Bluetooth on the laptop. C. The new access point was mis-configured and is interfering with another nearby access point. D. The attacker that breached the nearby company is in the parking lot implementing a war driving attack.


Which of the following facilitates computing for heavily utilized systems and networks?

A. Remote access B. Provider cloud C. VPN concentrator D. Telephony


A security administrator finished taking a forensic image of a computer's memory. Which of the following should the administrator do to ensure image integrity?

A. Run the image through AES128. B. Run the image through a symmetric encryption algorithm. C. Compress the image to a password protected archive. D. Run the image through SHA256.


Which of the following is a reason to use TACACS+ over RADIUS?

A. Combines authentication and authorization


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CompTIA SY0-201 Exam B. Encryption of all data between client and server C. TACACS+ uses the UDP protocol D. TACACS+ has less attribute-value pairs


A customer has called a company to report that all of their computers are displaying a rival company's website when the user types the correct URL into the browser. All of the other websites the user visits work correctly and other customers are not having this issue. Which of the following has MOST likely occurred?

A. The website company has a misconfigured firewall. B. The customer has a virus outbreak. C. The customer's DNS has been poisoned. D. The company's website has been attacked by the rival company


A targeted email attack sent to the company's Chief Executive Officer (CEO) is known as which of the following?

A. Whaling B. Bluesnarfing C. Vishing D. Dumpster diving


Which of the following describes an attack technique by which an intruder gains physical access by following an authorized user into a facility before the door is closed?


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A. Shoulder surfing B. Tailgating C. Escalation D. Impersonation



Which of the following should be reviewed periodically to ensure a server maintains the correct security configuration?

A. NIDS configuration B. Firewall logs C. User rights D. Incident management


Which of the following is true when a user browsing to an HTTPS site receives the message: a Site name mismatch'?

A. The certificate CN is different from the site DNS A record. B. The CA DNS name is different from the root certificate CN. C. The certificate was issued by the intermediate CA and not by the root CA. D. The certificate file name is different from the certificate CN.


Which of the following will contain a list of unassigned public IP addresses?

A. TCP port


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B. 802.1x C. Loop protector D. Firewall rule



DRPs should contain which of the following?

A. Hierarchical list of non-critical personnel B. Hierarchical list of critical systems C. Hierarchical access control lists D. Identification of single points of failure


Which of the following access control methods provides the BEST protection against attackers logging on as authorized users?

A. Require a PIV card B. Utilize time of day restrictions C. Implement implicit deny D. Utilize separation of duties


Several PCs are running extremely slow all of a sudden. Users of the PCs report that they do a lot of web browsing and explain that a disgruntled employee from their department was recently fired. The security administrator observes that all of the PCs are attempting to open a large number of connections to the same destination. Which of the following is MOST likely the issue?


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CompTIA SY0-201 Exam A. A logic bomb has been installed by the former employee B. A man-in-the-middle attack is taking place. C. The PCs have downloaded adware. D. The PCs are being used in a botnet


Which of the following is the BEST way to secure data for the purpose of retention?

A. Off-site backup B. RAID 5 on-site backup C. On-site clustering D. Virtualization


In the event of a disaster resulting in the loss of their data center, a company had determined that they will need to be able to be back online within an hour or two, with all systems being fully up to date. Which of the following would BEST meet their needs?

A. Off-site storage of backup tapes B. A hot backup site C. A cold backup site D. A warm backup site


Which of the following has a programmer MOST likely failed to consider if a user entering improper input is able to compromise the integrity of data?


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A. SDLM B. Error handling C. Data formatting D. Input validation



Which of the following provides EMI protection?

A. STP B. UTP C. Grounding D. Anti-static wrist straps


A user reports that a web browser stopped working after it was updated. Which of the following BEST describes a probable cause of failure?

A. The browser was previously compromised and corrupted during the update. B. Anti-spyware is preventing the browser from accessing the network. C. A faulty antivirus signature has identified the browser as malware. D. A network based firewall is blocking the browser as it has been modified.


Which of the following devices is MOST likely to be installed to prevent malicious attacks?

A. VPN concentrator B. Firewall


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C. NIDS D. Protocol analyzer



Which of the following would allow traffic to be redirected through a malicious machine by sending false hardware address updates to a switch?

A. ARP poisoning B. MAC spoofing C. pWWN spoofing D. DNS poisoning

Answer: A Explanation: ARP Poisining: The principle of ARP spoofing is to send fake, orspoofed, ARP messages onto a LAN. Generally, the aim is to associate the attacker'sMAC addresswith theIP addressof anotherhost(such as thedefault gateway). Any traffic meant for that IP address would be mistakenly sent to the attacker instead. The attacker could then choose to forward the traffic to the actual default gateway (interception) or modify the data before forwarding it (man-in-the-middle attack). The attacker could also launch adenial-of-service attackagainst a victim by associating a nonexistent MAC address to the IP address of the victim's default gateway. Adenial-of-service attackmay be executed if the attacker is able to use ARP snooping to associate an alternate MAC address with the IP address of the default gateway. Denied access to the gateway in this way, nothing outside the LAN will be reachable by hosts on the LAN. ARP spoofing attacks can be run from a compromised host on the LAN, or from an attacker's machine that is connected directly to the target LAN. Incorrect answer: MAC spoofingis a technique for changing a factory-assignedMedia Access Control (MAC) addressof anetwork interfaceon anetworkeddevice.

QUESTION NO: 228

Which of the following protocols uses UDP port 69 by default?

A. Kerberos


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B. TFTP C. SSH D. DNS



Which of the following would a security administrator use to diagnose network issues?

A. Proxy B. Host-based firewall C. Protocol analyzer D. Gateway


Which of the following should be implemented on a mobile phone to help prevent a conversation from being captured?

A. Device encryption B. Voice encryption C. GPS tracking D. Sniffer


A user wishes to encrypt only certain files and folders within a partition. Which of the following methods should a technician recommend?

A. EFS B. Partition encryption


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C. Full disk D. BitLocker



Centrally authenticating multiple systems and applications against a federated user database is an example of:

A. smart card. B. common access card. C. single sign-on. D. access control list.


Which of the following characteristics distinguishes a virus from a rootkit, spyware, and adware?

A. Eavesdropping B. Process hiding C. Self-replication D. Popup displays


A security administrator needs to implement a site-to-site VPN tunnel between the main office and a remote branch. Which of the following protocols should be used for the tunnel?

A. RTP B. SNMP C. IPSec


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D. 802.1X



Which of the following uses tickets to identify users to the network?

A. RADIUS B. LDAP C. TACACS+ D. Kerberos


Which of the following forensic artifacts is MOST volatile?

A. CD-ROM B. Filesystem C. Random access memory D. Network topology


A security administrator notices an unauthorized vehicle roaming the area on company grounds. The security administrator verifies that all network connectivity is up and running and that no unauthorized wireless devices are being used to authenticate other devices; however, the administrator does notice an unusual spike in bandwidth usage. This is an example of which of the following attacks?

A. Rogue access point B. Bluesnarfing


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C. Evil twin D. War driving



Which of the following is a best practice when securing a switch from physical access?

A. Disable unnecessary accounts B. Print baseline configuration C. Enable access lists D. Disable unused ports


Risk can be managed in the following ways EXCEPT:

A. mitigation. B. acceptance. C. elimination. D. transference.


A security administrator needs to implement a wireless system that will only be available within a building. Which of the following configurations can the administrator modify to achieve this? (Select TWO).

A. Proper AP placement B. Disable SSID broadcasting C. Use CCMP


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