Computer Networking
Suppose that you have a customer who has a central HQ and six branch offices. They anticipate adding six more branches in the near future. They wish to implement a WAN technology that will allow the branches to economically connect to HQ and you have no free ports on the HQ router. Which of the following would you recommend?

Frame Relay
PPP
HDLC
ISDN

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Computer Networking
Contention is

the condition when two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of these
a continuous frequency capable of being modulated or impressed with a second signal
One or more conductors that serve as a common connection for a related group of devices

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Computer Networking
You type debug ip rip on your router console and see that 172.16.10.0 is being advertised to you with a metric of 16. What does this mean?

The route is 16 hops away.
The route has a delay of 16 microseconds.
The route is queued at 16 messages a second.
They will all load-balance.
The route is inaccessible.

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Computer Networking
TCP is:

Connectionless and unreliable
Connection orientated and reliable
Operates at the Data Link layer
Connection orientated and unreliable
None of these

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