Computer Networking
CSMA (Carrier Sense Multiple Access) is

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

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Computer Networking
Which of the following is true when describing a link-local address?

These are like private addresses in IPv4 in that they are not meant to be routed.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Packets addressed to a unicast address are delivered to a single interface.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.

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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?

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

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