Data Communication and Computer Network ( 22414)

Prepared By: Ms. P. N. Patil (Department of Computer Technology) Page1 of 18

Subject

Data Communication and Computer Network

( 22414)


Chapter No. Name of chapter Marks With

Option

1 Fundamentals of Data Communication and Computer Network 18

2 Transmission Media and Switching 28

3 Error Detection, Correction and Wireless Communication 10

4 Network Topologies and Network Devices 16

5 Reference Models 34

Total Marks :- 106


Q.1 Attempt any FIVE 5*2=10

a) U-1 Fundamentals of Data Communication and Computer Network

b) U-2 Transmission Media and Switching

c) U-2 Transmission Media and Switching

d) U-3 Error Detection, Correction and Wireless Communication

e) U-3 Error Detection, Correction and Wireless Communication

f) U-5 Reference Models

g) U-4 Network Topologies and Network Devices

Q.2 Attempt any THREE 3*4=14



c) U-4 Network Topologies and Network Devices

d) U-5 Reference Models

Q.3 Attempt any THREE 3*4=12

a) U-2 Transmission Media and Switching




Q.4 Attempt any TWO 2*6=12


b) U-5 Reference Models

c) U-2 Transmission Media and Switching






c) U-5 Reference Models


a) U-3 Error Detection, Correction and Wireless Communication

b) U-5 Reference Models



Syllabus:-

Unit

No. Name of the Unit

Course Outcome

(CO)

1 Fundamentals of Data Communication and Computer

Network

CO-414-1

2 Transmission Media and Switching CO-414-2

3 Error Detection, Correction and Wireless Communication CO-414-3

Q.1

Attempt any FOUR 4*2=8Marks

Course Outcome

(CO)

a) Fundamentals of Data Communication and Computer

Network

CO-414.1

b) Fundamentals of Data Communication and Computer

Network

CO-414.1

c) Transmission Media and Switching CO-414.2

d) Transmission Media and Switching CO-414.2

e) Error Detection, Correction and Wireless Communication CO-414.3

f) Error Detection, Correction and Wireless Communication CO-414.3

Q.2 Attempt any TWO 2*6=12Marks

a) Fundamentals of Data Communication and Computer

Network

CO-414.1


b) Transmission Media and Switching CO-414.2

c) Error Detection, Correction and Wireless Communication CO-414.3

Syllabus:-

Unit

No.

Name of the Unit

Course Outcome

(CO)

3 Error Detection, Correction and Wireless Communication Co-414-3

4 Network Topologies and Network Devices Co-414-4

5 Reference Models Co-414-5

Q.1

Attempt any FOUR 4*2=8Marks

Course Outcome

(CO)

a) Error Detection, Correction and Wireless Communication (CO-414.3)

b) Error Detection, Correction and Wireless Communication (CO-414.3)

c) Reference Models (CO-414.5)

d) Network Topologies and Network Devices (CO-414.4)

e) Network Topologies and Network Devices (CO-414.4)

f) Reference Models

(CO-414.5)

Q.2 Attempt any TWO 2*6=12Marks

a) Error Detection, Correction and Wireless Communication (CO-414.3)


b) Reference Models (CO-414.5)

c) Network Topologies and Network Devices (CO-414.4)

d) Reference Models (CO-414.5)

COURSE: Data Communication & Computer Network (22414)

CO.NO Course Outcome

CO-414.01 Analyze the functioning of data communication and computer network.

CO-414.02 Select relevant transmission media and switching techniques as per need.

CO-414.03 Analyze the transmission errors with respect to IEEE standards.

CO-414.04 Configure various networking devices.

CO-414.05 Configure different TCP/IP services.


UNIT 1. Fundamentals of Data Communication and Computer

Network (Total Marks =12)

1) Explain the concept of Data communication with its components.

2) Explain the concept of protocols and standards in brief.

3) Difference between digital and analog signal.

4) Describe classification of signals.

5) Explain the modes of communication.

6) Define Analog signal, Digital signal and explain methods of Digital to Analog conversion.

7) Explain methods of Analog to Digital conversion.

8) Define the term i)Network ii)computer network iii)protocol

9) State the need and Applications of computer network

10) Enlist the components of computer network.

11) Explain benefits of computer network

12) Name any four resources that can be shared in a computer network.

13) State four benefits of network used for centralized management.

14) List advantages and disadvantages of computer network.

15) Which criteria should be followed while designing a computer network?

16) Classify networks on the basis of their geography and define.

17) Explain LAN with diagram.

18) Define Ethernet.

19) State four features of LAN and WAN.

20) Differentiate LAN,WAN and MAN by considering following point:

1. Physical area 2.installation cost

3. Bandwidth 4.transmission media

21) Describe the concept of peer-to-peer network. Where it is used?

22) State any four advantages and disadvantages of peer to peer network.


23)With neat diagram, explain client server network along with its advantages and disadvantages.

24)list any four types of server.

25)compare server based network and peer to peer network.(any four points.)

26)what is meant by file sharing and printer sharing? How this can be achieved?

27)How E-mail service is provided and how an e-mail is sent?

28)What do you mean by remote access?

29)List any eight network functions.

30) Define Computer Network and state its types.

31) State various Computer Network applications

32) Compare Analog and Digital signal

33)Describe the process of data communication in various modes.

34) List modes of Communication.

35) Classify Computer networks based of Transmission Technology.

36)Define Guided & Unguided Transmission Medium.

37)Define computer network & state need of computer.

38) For a trading firm an organization with 10users, draw network architecture design

of wireless LAN.

39) Draw and describe the process of data communication in:

i) Simplex mode ii) Half Duplex iii) Full Duplex

40) List any four benefits of network.

41) Draw Network architecture for client server network with one file server, one print

server and 5 clients connected to it via network device.


UNIT 2. Transmission Media and Switching (Total Marks =16)

1) State the need of transmission media.

2) Explain the factors to be considered while selecting a cable to establish a network.

3) What are different transmission media?

4)Explain twisted pair cable with neat sketch. And give any four advantages, disadvantages and application

5)compare STP and UTP transmission media.

6)Draw and explain co-axial cable.

7) state any two advantages of co-axial cable.

8) Explain working of fiber optic cable. Give its advantages and disadvantages.

9)Explain different modes of fiber optic cable.

10)Difference between step index fibers and graded index fibers.

11)comparison of single mode and multimode fibers.

12)Describe any four physical characteristics of fiber optic cable.

13)state any four advantages and disadvantages of optical fiber cable.

14)compare twisted pair, co-axial and optical fiber cable.

15)Enlist any four communication bands for unguided media with their frequency range.

16)Describe types of wireless media.

17)Explain microwave (RF)link with diagram.

18)state any two application of microwave communication.

19)Explain infrared communication . List any two disadvantages of infrared communication.

20)With the help of diagram , explain satellite communication.

21)Describe the characteristics of satellite microwave transmission. and give any four application.

22)differentiate between Terrestrial microwave system and satellite microwave system.

23)Describe the concept of multiplexing and Demultiplexing.

24)With the help of block schematic ,explain the principal of FDM.

25)State any four advantages , disadvantages and applications of FDM.


26)Compare FDM and TDM.

27)What is statistical TDM?

28)Explain switch and switching mode.

29)Draw the neat diagram of circuit switching .Explain in brief.

30) Draw the neat diagram of packet switching .Explain in brief.

31)compare between circuit switching and packet switching.

32) List any four Unguided Transmission Media.

33) What advantages does TDM have over FDM in a circuit switched network?

34) Differentiate between FDM and TDM

35) Why is circuit switching preferred over packet switching in voice

communication?

36) Compare different techniques of switching on the basis of Orientation, Flexibility,

Technology, and Layer.

37) Describe the role of transmission medium in the process of data communication

38) Describe the role of transmission medium in the process of data communication

39) Describe Multiplexing techniques.

40) Describe the working principle of Packet switching and Circuit switching

techniques with neat diagram.

41) Compare guided transmission and unguided transmission media.


UNIT 3. Error Detection, Correction and Wireless

Communication (Total Marks =12)

1)What is error ? Enlist different types of errors.

2)Explain different types of transmission errors.

3)How does the parity checking technique helps in detecting the presence of error?

4)Explain the VRC and LRC techniques.

5)write a short note on :cyclic Redundancy check(CRC).

6)Write a short note on Hamming codes.

7)Explain following wireless technologies used in computer communication: Wi-Fi.

8)Write a short note on : IEEE802.11.

9)With neat diagram explain the ESS architecture of IEEE 802.11.

10) Write a short note on :Address mechanism in WLANs. with its advantages ,application and limitation.

11)comparison of wired and wireless LANs.

12)Explain in brief the functioning of Bluetooth.

13)Describe the Architecture of Bluetooth technology.

14)Difference between Bluetooth and WLAN IEEE 802.11X.

15)Explain basic principal of mobile communication.

16)State the frequency band used in cellular telephony for transmission and reception.

17)Explain two cases related to cells using mobile phones :

1. cell initiated by mobile phone

2. A land phone calls a mobile phone.

18)Define the term : Roaming.

19)Explain handoff procedure of cellular mobile phones.

20)comparison of various mobile system generations.

21)Define the term : AMPS.

22)Give any two application of 4G systems.


23)Explain various Generations of mobile phones.

24) State types of Errors.

25) List IEEE 802 X standards for networks

26) Draw structural diagram of fiber optic cable and write its functions

27) Describe various IEEE standards for network topologies

28) A system uses CRC on a block of 8 bytes. How many redundant bits are sent

per block? What is the ratio of useful bits to total bits?

29) Compare LRC & VRC.

30) Draw a neat diagram of Fiber optic cable & state its types.

31) Describe various IEEE standards for network topologies.

32) Describe working of CRC with suitable example.

33) Describe Piconet and Scatternet architecture with neat diagram.


UNIT 4. Network Topologies and Network Devices (Total

Marks =10)

1)Define network topology. List types of network topology.

2)Give any four selection criteria for selecting network topology.

3)Draw a neat sketch of Bus topology and describe its working .Give its Advantages.

4)Explain whether adding more computers in Bus topology affects performance of network.

5)Explain the use of Repeater in Bus topology.

6)State any two Advantages of Bus topology.

7)Explain the working of ring topology with neat Sketch.

8)State the advantages and disadvantages of ring topology.

9)Draw a neat diagram and describe the working of star topology.

10)What is hub ? Give types of hub.

11)Give the advantages of star topology.

12)Give the disadvantages of star topology.

13)Describe network topology .Explain Mesh topology in details with suitable diagram.

14)State advantages and disadvantages of mesh topology.

15)Explain Tree topology with neat diagram .

16)State advantages of Tree topology.

17)Differentiate between star ,ring and bus topology.

18)Discuss hybrid topology with suitable diagram.

19)Differentiate between bus and star topology.

20)List different types of connectivity devices.

21)What is the transceiver? State the advantage and disadvantages of it.

22)State the function of :1. Hub 2.Router 3.Repeater 4. Bridge.

23) What is repeater? State their advantages and disadvantages .

24)Describe the types of Hubs.


25)List any two components which works at physical layer of OSI model.

26)With the help of neat diagram, describe the working of routers. Also enlist types of routers.

27)Describe the role of following network devices used in computer network: Gateway.

28)Describe the role of following network devices used in computer network: Switch.

29)Difference between Switch and Hub.

30)Write short note on Modem and Router.

31)Explain wireless infrastructure components any three(radio NICs, routers, repeater, antennas, access

point).

32)compare Router and Repeat.

33) With suitable diagram describe

(i) STAR Topology (ii) RING Topology

34) Draw and describe architecture for network using tree topology for an office

in 3-storeys building

35) List any four Networking Connecting Devices.

36) List all layers of OSI model & state its function.

37) Describe Bluetooth architecture technologies.

38) Identify appropriate network topology and network connecting devices for following

requirement. Draw network design for proposed network.

An organization having its office in a building of 5 floor. Each floor it needs 20

machines. There is one File server. Each floor has 2 print servers to facilitate printer

capacity.

39) Define Subnet and Supernet.

40) Write any 2 specification of following.

a. Gateway

b. Bridge


UNIT 5. Reference Models (Total Marks =20)

1)Describe OSI model with suitable diagram .

2)Define :Data Encapsulation.

3)Describe the terms :Entities and peer entities.

4)Explain: Interface data unit (DIU).

5)Explain : protocol data unit (PDU).

6)Explain connection oriented and connectionless services.

7)Explain horizontal and vertical communication.

8)Explain vertical communication in OSI reference model.

9)Draw and explain the functions of various layers of OSI reference model.

10)Explain data link layer in detail .

11) Give the functions of data link layer.

12)Define the term access control.

13)Describe the working of token passing at CSMA/CD protocol.

14)Describe carrier sense multiple access with collision detection.

15)Explain network layer in detail.

16)What are the services provided by the network layer of OSI model?

17)Define connection oriented protocol.

18)Explain the services provided by the transports layer of the OSI model.

19)Describe :Dialog control.

20)Explain the function of presentation layer and network layer.

21)What is token passing ? list any four protocols associated with applications layer of OSI model.

22)State name of protocol used at different layers of OSI model.

23)What is TCP/IP explains its protocols .

24)Describe TCP/IP model with suitable diagram.

25)Explain overview TCP/IP architecture.


26)Describe the function of transport layer.

27)Describe TCP/IP model with suitable diagram . describe the functions of each layer.

28)Describe the functioning of application layer in TCP/IP reference model.

29) Differentiate between OSI and TCP/IP reference model.

30)Describe meaning and function of :

1. MAC address 2. IP address

31)What is meant by MAC address? write the instruction to find the MAC address.

32)List any two functions of ARP message fields.

33)Explain the concept of the encapsulation .

34)List two DHCP protocols.

35)Explain and BOOTP.

36)Name any three network layer of protocols.

37)Write a short note on IP.

38)Write note on following in TCP/IP model:

1. addressing 2. Multiplexing and demultiplexing

39)What is IP addressing ? explain the classes of IP addressing .

40)Explain IP address assignment .

41)Describe the various IP address classes with suitable examples.

42)Describe the various IP address classes and explain any one in brief.

43)What is subnet masking.

44)Give the limitations of IPv4.

45)Explain the terms:

1.subnetting

2.supernatting

3.masking

4.classless IP addressing with suitable examples.


46)Compare IPv4 and IPv6.

47)What is subnetting in IP network and explain with suitable examples.

48)State the limitations of IPv4.

49) State functions of Network layer

50) Draw and explain layered architecture of OSI model.

51) Describe the major functions of network layer in TCP/IP protocol suite

52) Describe types of IP address classes.

53) Design suitable network layout for an organization with five department.

54) Describe the process of DHCP server configuration.

55) What is the MAC protocol used in TOKEN ring LAN’s? What happens if the

token is lost?

56) Describe any 4 classes of IPv4 addresses with its range.

57) Give the names of network layer. Where following protocols are relate/belong to:

i) SMTP ii) TCP-UDP iii) IP iv) PPP.

58) Describe procedure to configure TCP/IP network layer services.

59)Write following specification of smart hub.

i. Protocol

ii. Radio Bands

60) State use of following protocols.

i. Data Link Layer

ii. Physical Layer

Data Communication and Computer Network ( 22414)

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