Computer Networking
What information is displayed by the show hosts command?1. Temporary DNS entries2. The names of the routers created using the hostname command3. The IP addresses of workstations allowed to access the router4. Permanent name-to-address mappings created using the ip host command5. The length of time a host has been connected to the router via Telnet

3, 4, and 5
1, 2 and 3
1 and 4
All of these

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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.
It prevents regular update messages from reinstating a route that has gone down.
Information about a route should not be sent back in the direction from which the original update came.

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Computer Networking
What is route poisoning?

It is information received from a router that can't be sent back to the originating router.
It sends back the protocol received from a router as a poison pill, which stops the regular updates.
It describes when a router sets the metric for a downed link to infinity.
It prevents regular update messages from reinstating a route that has just come up.

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