1 CISCO NETWORKING ACADEMY PROGRAM (CNAP) SEMESTER 1/ MODULE 5 Cabling LANs and WANs.
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CISCO NETWORKING ACADEMY PROGRAM (CNAP)SEMESTER 1/ MODULE 5
Cabling LANs and WANs
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Networking Fundamentals
Objectives
• Upon completion of this module, the student will be able to perform tasks related to the following:
• Cabling the LAN
• Cabling the WAN
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
LAN Physical Layer
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Ethernet in the Campus
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
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Ethernet Media & Connector
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
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Connection Media
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
UTP Implementation
• Order of the wires in must follow EIA/TIA-T568-A or T568-B standards• Three types of patch cables:
• Straight-though cable•Switch to router •Switch to PC or server •Hub to PC or server
• Crossover cable•Switch to switch•Switch to hub •Hub to hub •Router to router •PC to PC •Router to PC
• Rollover cable•console cable
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
UTP Implementation
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Repeaters
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Hubs
• multiport repeaters (generally have from two to twenty-four ports)
• data arriving over the cables to a hub port is electrically repeated on all the other ports connected to the same network segment, except for the port on which the data was sent
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Bridges
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Switches
• Sometimes described multiport bridges
• Operate at data link layer of OSI reference model
• Switches use gathered information to build forwarding tables to determine the destination
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Switches
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Wireless
• Wireless signals are electromagnetic waves that travel through the air• Wireless networks use Radio Frequency (RF), laser, infrared (IR), or
satellite/microwaves to carry signals from one computer to another without a permanent cable connection
• Two most common wireless technologies used for networking are:
• IR - line of sight• RF - out of sight, two
approaches used to implement spread spectrum for WLAN transmissions are Frequency Hopping Spread Spectrum (FHSS) and Direct Sequence Spread Spectrum (DSSS)
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Host Connectivity
• Host can connect to network using Network Interface Card (NIC)
• NIC is layer-2 device and each NIC carries a unique code called MAC address
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Peer-to-peer & Client-server
• Peer-to-peer
• networked computers act as equal partners, or peers
• users control their own resources
• Client-server
• server is a central computer that respond to requests from clients for file, print, application, and other services
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Peer-to-Peer VS Client/Server
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Peer-to-Peer VS Client/Server
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
WAN Physical Layer
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
WAN Serial Connection
DTE: Data Terminal Equipment
DCE: Data Communications Equipment
CSU: Channel Service Unit
DSU: Data Service Unit
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and Serial Connections
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and Serial Connections
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and Serial Connections
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and Serial Connections
port type slot number / port number
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and ISDN BRI Connections
• With ISDN BRI, two types of interfaces may be used, BRI S/T and BRI U
• A BRI interface with an integrated NT1 is labeled BRI U
• A BRI interface without an integrated NT1 is labeled BRI S/T
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and DSL Connections
• To connect a router for DSL service, use a phone cable with RJ-11 connectors.
• DSL works over standard telephone lines using pins 3 and 4 on a standard RJ-11 connector.
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Routers and Cable Connections
• Coaxial cable and a BNC connector are used to connect the router and cable system
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Setting Up Console Connections
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CISCO NETWORKING ACADEMY PROGRAMSEMESTER 1/ MODULE 5
Cabling LANs and WANs
Summary
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