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Computer Networking

Computer Networking
What PPP protocol provides dynamic addressing, authentication, and multilink?

X.25
HDLC
NCP
LCP

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Computer Networking
Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called

company directors
field workers
teleprocessors
telecommuters
None of these

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Computer Networking
Which command will display the CHAP authentication process as it occurs between two routers in the network?

debug chap authentication
debug ppp authentication
show chap authentication
show interface serial 0

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Computer Networking
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

Modem
Teleprocessor
Attenuation
Interface
None of these

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Computer Networking
A terminal multiplexer has six 1200 bps terminals and 'n' 300bps terminals connected to it. The outgoing line is 9600bps. What is the maximum value of n?

16
4
8
28

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Computer Networking
What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?

Protocol
Handshaking
Modem options
Duplexing
None of these

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