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Computer Networking

Computer Networking
Error detection at the data link level is achieved by

Cyclic Redundancy Code
Bit Stuffing
Equalization
Hamming Code

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Computer Networking
What is the default subnet mask for a class B network?

127.0.01
255.255.255.0
255.255.0.0
None of these
255.0.0.0

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Computer Networking
Which of the following command options are displayed when you use the Router# show frame-relay ? command?1. dlci2. neighbors3. lmi4. pvc5. map

1 only
3, 4 and 5
All of these
2 and 4

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Computer Networking
Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?

frame-relay map
frame-relay interface-dci
frame-relay arp
frame-relay lmi-type

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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?

ISDN
Frame Relay
HDLC
PPP

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Computer Networking
How many non-overlapping channels are available with 802.11h?

12
3
23
40

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