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Computer Networking

Computer Networking
On a class B network, how many hosts are available at each site with a subnet mask of 248?

2,046
16,382
1,022
8,190
4,094

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Computer Networking
In a synchronous modem, the receive equalizer is known as

adaptive equalizer
impairment equalizer
compromise equalizer
statistical equalizer
None of these

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Computer Networking
Correct method for full duplex mode of communication is:

One device sends and other device receives and vic
None of these
One device can send other device can only accepts.
Both stations can transmit and receive data at the

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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)
m - 1
2 (2m - 1)
(2m - l)/mJ

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Computer Networking
To back up an IOS, what command will you use?

copy tftp flash
copy ios tftp
copy flash tftp
backup IOS disk

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Computer Networking
The encoding method specified in the EIA-232 standard is _____.

None of these
Differential Manchester
NRZ-L
Manchester
NRZ-I

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