Computer Networking
Which of the following is a wrong example of network layer?

Source routing and domain naming-USENet
X.25 Packet Level Protocol (PLP)-ISO
Internet Protocol (IP) - ARPANET
X.25 level 2-ISO

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Computer Networking
Terminals are used to

provide information for the manager
All of these
collect data from the physical system
None of these
communicate management decisions to the physical system

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Computer Networking
What is split horizon?

It splits the traffic when you have a large bus (horizon) physical network.
It prevents regular update messages from reinstating a route that has gone down.
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.

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