Computer Networking
Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?

Attenuation
Teleprocessor
None of these
Interface
Modem

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband refers to local area networks, and broadband refers to wide area networks.
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable

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Computer Networking
A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?

RIP has a higher metric value for that route.
IGRP has a faster update timer.
IGRP has a lower administrative distance.
The IGRP route has fewer hops.

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