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Computer Communication Networks - Exam 1 Questions and Answers
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Computer Communication Networks - Exam 1 Questions and Answers
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Computer Communication Networks -Exam 1 Questions and Answers
LAN - Answer-Local Area Network
A network serving a home, building, or campus
MAN - Answer-Metropolitan Area Network
WAN - Answer-Wide Area Network
LANs separated by geographic distance are connected by a network
Protocol Layers - Answer-The main structuring method used to divide up network
functionality.
Each layer adds its own header to the message to transmit and removes it on receive.
Reference Models - Answer-OSI Model
TCP/IP Model
OSI Model - Answer-Application
Presentation
Session
Transport
Network
Data Link
Physical
TCP/IP Model - Answer-Application
Transport
Internet
Network Access
Reference Model we use in class - Answer-Application
Transport
Network
Link
Physical
Physical Layer - Answer-Foundation on which other layers build.
The medium limits what the network can do.
Key problem is to send digital bits using only analog signals.
Modulation - Answer-The process of sending digital bits using only analog signals.
Nyquist's Theorem - Answer-Max. data rate = 2B log(base2) V bits/sec
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