Computer Networking
How to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?

Fiber-optic cable
Thicknet coax
Thinnet coax
Category 5 UTP cable

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Computer Networking
Demodulation is the process of

dividing the high-speed signals into frequency bands
converting digital signals to analog signals
converting analog signals to digital signals
combining many low speed channels into one high speed channel
None of these

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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?

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

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