Computer Networking
Which of the following summation operations is performed on the bits to check an error-detecting code?

Attenuation
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Checksum
Coder-decoder
Codec

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Computer Networking
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?

NVRAM should be erased and the router restarted.
The new configuration should be entered and saved.
RAM should be erased and the router restarted.
Flash should be erased and the router restarted.

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Computer Networking
How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?

Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
Configure a single subinterface to establish multiple PVC connections to multiple remote router interfaces.
Configure a separate subinterface for each PVC with a unique DLCI and subnet assigned to the subinterface.
Configure many subinterfaces in the same subnet.

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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.
The IGRP route has fewer hops.
IGRP has a lower administrative distance.
IGRP has a faster update timer.

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