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.

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

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

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