Computer Networking
Modulation is the process of

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

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Computer Networking
Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains.

1 and 5
2 and 4
1, 3 and 5
2, 3 and 6

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Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

The configuration register setting is incorrect.
NVRAM is corrupted.
The newly upgraded IOS is not compatible with the hardware of the router.
You didn

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