CS601 Final Term Solved Papers Set 2 by VU Topper RM

Cs601 Important Mcq’s For Final Term Solve By Vu_Toper RM

1. In ASK, both ______ and ________ remain constant. 1. Amplitude, Frequency 2. Amplitude, phase

3. Frequency, Phase

4. Amplitude, Samples

2. In an analog hierarchy to carry voice channels, a group can carry ________ voice channels. 1. 60 2. 12 3. 20 4. 10
3. Which of the following sublyer resolves the contention for the shared media. 1. MAC 2. LLC 3. Physical 4. None of the given.

Q4. What is the period of a Sine wave having frequency of 5 Hz?

1. 0.2 2. 0.1 3. 0.5 4. 0.3

5. In CRC there is no error if the remainder at the receiver is 1. Equal to the remainder at the sender 2. Zero 3. Nonzero 4. The quotient at the sender
6. Analog To Analog Conversion Methods include ___________.

1. AM, PM and FM

2. AM, FSK and PM 3. AM, PM and QAM 4. None of the given

7. Signals travel through fiber optic cable are in the form of 1. Light 2. Bits 3. Electromagnetic 4. Bytes
8. If the Hamming distance between sent and received code word is ________, then it shows that received data is corrupted. 1. ≠ 0 2. = 0 3. ≠ 1 4. = 1
9. The flag in PPP is a byte that needs to be ________ whenever it 1. Duplicated 2. Blocked 3. Cleaned 4. Escaped
10. ________ is normally used where speed is priority in data transfer.

1. Serial data transmission

2. Hybrid data transmission 3. Parallel data transmission 4. Both parallel and serial data transmission

11. Baud rate is greater than or equal to the bit rate. 1. True 2. False
12. ________ is an Authentication Protocol, which is used by the PPP to authenticate passwords. 1. CHAP 2. PAP 3. LCP 4. ICMP
13. In Pure ALOHA, the vulnerable time is ________ the frame transmission time. 1. Same as

2. Two times

3. Three times 4. Four times

14. A broadcast signal is received by the orbiting satellites which rebroadcasts ________. 1. to the resender 2. to the sender 3. to the atmosphere

4. none of the given

15. In TCP/IP protocol suite, the process of adding header at each layer on sending side is known as ________. 1. Encapulation 2. De-encapulation

3. Packetizing

4. Framing

16. By using ___________ system, change in the file contents during file transmission can be avoided. 1. Routing 2. Flow Control

3. Error Detection and Correction

4. Congestion Control

Q17. Which of the following consist of just one redundant bit per data unit?

1. Two dimentional Parity check. 2. CRC

3. Simple Parity Check

4. Checksum

18. If duration of noise is decreased during a transmission over noisy channel, fixed data rate of the channel will cause ________ number of bits being impacted by the noise. 1. Constant 2. More 3. Less 4. Zero
19. The extra bits added with the original data for error detection/correction are called ________. 1. Fault bits 2. Port numbers

3. Redundant bits

4. Process IDs

20. Flow control is needed to prevent ________. 1. Bit errors 2. Overflow of the sender buffer

3. Overflow of the receiver buffer

4. Collision between sender and receiver

21. The inversion of the level represents a 1 bit in ______ encoding 1. NRZ-I 2. NRZ-L 3. RZ 4. Manchester
22. The term _______means that only one bit of a given data unit is changed from 1 to 0 or from 0 to 1. 1. Packet Error 2. Burst Error

3. Single Bit Error

4. Character Error

23. A sine wave is defined by ___________ characteristics. 1. 2 2. 3 3. 4 4. 5
24. Quadrature Amplitude Modulation (QAM) is the combination of ________ and ________. 1. FSK, PSK 2. PSK, FSK 3. ASK, PSK 4. ASK, FSK
25. If we need to correct a single error in an 8-bit data unit, we need to consider ________ possible error locations. 1. 16 2. 2 3. 4 4. 8
26. To calculate the data rate for noisy channel ________ formula is used. 1. Shannon 2. Nyquist