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Computer Networking

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

23
12
40
3

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Computer Networking
A global network of millions of business, government, educational, and research networks; computer systems; database; and end users. Select the best fit for answer:

None of these
Internet works
Internet revolution
The Internet
Internet technologies

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Computer Networking
In CRC there is no error if the remainder at the receiver is _____.

the quotient at the sender
equal to the remainder at the sender
None of these
nonzero
zero

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Computer Networking
Number of bits per symbol used in Baudot code is

5
1
None of these
8
9

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Computer Networking
You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?

255.255.248.0
255.255.252.0
255.255.240.0
255.255.255.255
255.255.224.0

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Computer Networking
What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions?

Videoconferencing
E-mail
None of these
Teleconferencing
Bulletin board system (BBS)

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