Computer Networking
A form of modulation In which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal, is known as

Angle modulation
Aloha
None of these
modem
Amplitude modulation

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Computer Networking
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

The OSPF area is wrong.
The wildcard mask is incorrect.
The AS configuration is wrong.
The OSPF Process ID is incorrect.

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Computer Networking
You telnet into a remote device and type debug ip rip, but no output from the debug command is seen. What could the problem be?

IP addressing on the network is incorrect.
You must type the show ip rip command first.
Debug output is sent only to the console.
You must use the terminal monitor command.

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Computer Networking
CSMA (Carrier Sense Multiple Access) is

a very common bit-oriented data link protocol issued by ISO.
a method of determining which device has access to the transmission medium at any time
None of these
a method access control technique for multiple-access transmission media.
network access standard for connecting stations to a circuit-switched network

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