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Computer Networking

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

3
40
12
23

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Computer Networking
A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be

32
20
10
None of these
5

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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 (m - 2)
2 (2m - 1)
(2m - l)/mJ
m - 1

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Computer Networking
The data communication support should include, but is not restricted to

All of these
terminal support, electronic mail and voice grams.
file transfer and transaction processing
file and database access

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Computer Networking
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Amplitude modulation
Amplitude-shift keying
None of these
Amplitude
Aloha

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Computer Networking
Which of the following TCP/IP protocol is used for transferring files from one machine to another?

ARP
None of these
TCP
FTP
RARP

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