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 faster update timer.
IGRP has a lower administrative distance.

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Computer Networking
X.21 is

a very common bit-oriented data link protocol issued by ISO
a method access control technique for multiple-access transmission media
network access standard for connecting stations to a circuit-switched network
a method of determining which device has access to the transmission medium at any time
None of these

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