Computer Networking
Modulation is the process of

performing data encryption.
converting digital signals to analog signals
converting analog signals to digital signals
Multiplexing various signals into high speed line signals

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Computer Networking
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

Network collisions occur
Cable terminators do not absorb the signal properly
Repeaters cannot increase the signal strength sufficiently
"Line echo" occurs due to the impedance of the cable
Cable terminators do not reflect the signal properly

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Computer Networking
You copy a configuration from a network host to a router's RAM. The configuration looks correct, yet it is not working at all. What could the problem be?

You copied the configuration into flash memory instead.
The copy did not override the shutdown command in running-config.
The IOS became corrupted after the copy command was initiated.
You copied the wrong configuration into RAM.

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