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Computer Networking

Computer Networking
On a class B network, how many subnets are available with a subnet mask of 248?

30
126
6
62
2

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Computer Networking
To avoid transmission errors, a check figure is calculated by the

None of these
both A and B
transmitting computer
Start and stop bit
receiving computer

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Computer Networking
Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose?

None of these
Fax
Keyboard
Scanner
Modem

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Computer Networking
Layer 2 switching provides which of the following?1. Hardware-based bridging (ASIC)2. Wire speed3. Low latency4. Low cost

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

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Computer Networking
On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?

/27
/28
/30
/29

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Computer Networking
The size or magnitude of a voltage or current waveform is

Amplitude
Aloha
Attenuation
None of these
Angle Modulation

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