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
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

None of these
to assign address to private network DTEs
adequate cost control mechanisms for administration of the private networks
universal accessibility for private network Data Terminal Equipment (DTE)
A and B both

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Computer Networking
You are working with a network that has the network ID 10.9.0.0 and contains 73 networks. In the next year, you will be adding an additional 27 branch offices to your company. For simplified management, you want to keep the most possible hosts per subnet. Which subnet mask should you management, you want to keep the most possible hosts per subnet. Which subnet mask should you use?

255.224.0.0
255.240.0.0
255.252.0.0
255.248.0.0
255.254.0.0

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