Computer Networking
The first step in troubleshooting many problems is to verify which of the following?

The BDC is operable
The subnet mask is valid
TCP/IP is installed correctly on the client
None of these
The WINS server is running

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Computer Networking
The Internet Control Message Protocol (ICMP)

All of these
allows gateways to send error a control messages to other gateways or hosts
None of these
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another

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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?

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

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