Computer Networking
A front-end processor is

None of these
a minicomputer that relieves main-frame computers at a computer centre of communications control functions
a user computer system
a processor in a large-scale computer that executes operating system instructions
preliminary processor of batch jobs.

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Computer Networking
What is split horizon?

It splits the traffic when you have a large bus (horizon) physical network.
It holds the regular updates from broadcasting to a downed link.
Information about a route should not be sent back in the direction from which the original update came.
It prevents regular update messages from reinstating a route that has gone down.

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Computer Networking
Which of the following access lists will allow only HTTP traffic into network 196.15.7.0?

access-list 100 permit 196.15.7.0 0.0.0.255 eq www
access-list 10 deny tcp any 196.15.7.0 eq www
access-list 110 permit ip any 196.15.7.0 0.0.0.255
access-list 100 permit tcp any 196.15.7.0 0.0.0.255 eq www

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