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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Computer Networking
The application layer of a network

consists of software being run on the computer connected to the network
All of these
None of these
defines the user's port into the network
establishes, maintains, and terminates virtual circuits

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Computer Networking
The main difference between TCP and UDP is

UDP is a datagram where as TCP is a connection oriented service
All of these
None of these
TCP is an Internet protocol where as UDP is an ATM protocol
UDP is connection oriented where as TCP is datagram service

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Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The lowest IP address of any physical interface
The highest IP address of any logical interface
The lowest IP address of any logical interface
The highest IP address of any physical interface

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