Computer Networking
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?

64 Kbps
None of these
8 Kbps
32 Kbps
128 Kbps.

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Computer Networking
You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?

The routing tables on the switches will not update.
The MAC forward/filter table will not update on the switch.
Broadcast storms will occur on the switched network.
The switches will automatically load-balance between the two links.

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Computer Networking
TCP is:

None of these
Operates at the Data Link layer
Connectionless and unreliable
Connection orientated and reliable
Connection orientated and unreliable

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