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Computer Networks
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Course Name
BSc IT (Bachelor of Science in Information Technology)
Subject Code BT0072 (Computer Networks )
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PART - A
PART - B
PART - C
Subject : Computer Networks
BT0072 : PART - B
| Q. 1 | QPSK requires _____ the bandwidth of the
corresponding BPSK signal. |
| | A) | Single |
| B) | Half | | C) | Two | | D) | Three | | | | | Q. 2 | Consider an analog signal which has
spectrum components in the range 5KHz to
8KHz. The sampling rate should be |
| | A) | Equal to 6KHz |
| B) | Greater than 8KHz | | C) | Greater than 6KHz | | D) | Smaller than 6KHz | | | | | Q. 3 | Match the following two sets
Set A
1. Network Interface Card
2. Network Operating System
3. Servers
Set B
a. controls the movement of information on the
network
b. runs various software’s, stores and processes
c. helps |
| | A) | 1 - a, 2 - c, 3 - b |
| B) | 1 - c, 2 - a, 3 - b | | C) | 1 - c, 2 - b, 3 - a | | D) | I - b, 2 - a, 3 - c | | | | | Q. 4 | A PCM system employing 512 quantization
levels transmits a signal having a sampling rate
of 8000 Hz. If the signal has to be recovered,
then the minimum bandwidth required is |
| | A) | 36kbits/sec |
| B) | 32kbps | | C) | 64kbps | | D) | 72kbps | | | | | Q. 5 | In the tropospheric forward scatter
propagation, the scattering angle 0 is |
| | A) | Larger |
| B) | Medium | | C) | Can be any value | | D) | Very small | | | |
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