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Computer Networking

Computer Networking
What command will display the line, protocol, DLCI, and LMI information of an interface?

sh pvc
show interface
show frame-relay pvc
show run

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Computer Networking
What are the distinct functions of layer 2 switching that increase available bandwidth on the network?1. Address learning2. Routing3. Forwarding and filtering4. Creating network loops5. Loop avoidance6. IP addressing

1, 3 and 5
2, 4 and 6
3 and 5
2 and 6

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Computer Networking
A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length.

2 (2m - 1)
2 (m - 2)
m - 1
(2m - l)/mJ

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Computer Networking
The OCR reading unit attached to a POS terminal is called a

All of these
None of these
light pen
wand
cursor

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Computer Networking
Which protocol does Ping use?

ARP
BootP
TCP
ICMP

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Computer Networking
A modulator converts a _____ signal to a(n) _____ signal.

None of these
PSK; FSK
analog; digital
FSK; PSK
digital; analog

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