Computer Networking
What is route poisoning?

It is information received from a router that can't be sent back to the originating router.
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.
It sends back the protocol received from a router as a poison pill, which stops the regular updates.

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Computer Networking
Which command will create a dynamic pool named Todd that will provide you with 30 global addresses?

ip nat pool todd 171.16.10.65 171.16.10.94 net 255.255.255.224
ip nat pool Todd 171.16.10.1 171.16.10.254 net 255.255.255.0
ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.240
ip nat pool Todd 171.16.10.65 171.16.10.94 net 255.255.255.224

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Computer Networking
Which of the following is true regarding VLANs?

You should not have more than 10 switches in the same VTP domain.
All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches.
You must have at least two VLANs defined in every Cisco switched network.
VTP is used to send VLAN information to switches in a configured VTP domain.

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