Computer Networking
Which of the following technique is used for encapsulation?

None of these
All of these
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.
a technique used in best-effort delivery systems to avoid endlessly looping packets.
One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size

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

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