Computer Networks MCQ's Question Set 2
Q.1. The physical layer translates logical communication requests from the ______ into hardware specific operations.
- data link layer
- network layer
- transport layer
- application layer
Answer:- (1)
Q.2. A single channel is shared by multiple signals by ____________
- analog modulation
- digital modulation
- multiplexing
- phase modulation
Answer:- (3)
Q.3. Wireless transmission of signals can be done via ___________
- radio waves
- microwaves
- infrared
- all of the mentioned
Answer:- (4)
Q.4. CRC stands for __________
- cyclic redundancy check
- code repeat check
- code redundancy check
- cyclic repeat check
Answer:- (1)
Q.5. Which one of the following is not a function of network layer?
- routing
- inter-networking
- congestion control
- error control
Answer:- (4)
Q.6. Which one of the following algorithm is not used for congestion control?
- traffic aware routing
- admission control
- load shedding
- routing information protocol
Answer:- (4)
Q.7. ICMP is primarily used for __________
- error and diagnostic functions
- addressing
- forwarding
- routing
Answer:- (1)
Q.8. Which of the following are transport layer protocols used in networking?
- TCP and FTP
- UDP and HTTP
- TCP and UDP
- HTTP and FTP
Answer:- (3)
Q.9. Which one of the following is a version of UDP with congestion control?
- datagram congestion control protocol
- stream control transmission protocol
- structured stream transport
- user congestion control protocol
Answer:- (1)
Q.10. Which of the following is a transport layer protocol?
- stream control transmission protocol
- internet control message protocol
- neighbour discovery protocol
- dynamic host configuration protocol
Answer:- (1)
Q.11. _____ is the multiplexing technique that shifts each signal to a different carrier frequency.
- FDM
- TDM
- Both FDM & TDM
- PDM
Answer:- (1)
Q.12. If link transmits 4000frames per second, and each slot has 8 bits, the transmission rate of circuit this TDM is _________
- 32kbps
- 500bps
- 500kbps
- 32bps
Answer:- (1)
Q.13. If there are n signal sources of same data rate, then the TDM link has _______ slots.
- n
- n/2
- n*2
- 2n
Answer:- (1)
Q.14. The state when dedicated signals are idle are called __________
- Death period
- Poison period
- Silent period
- Stop period
Answer:- (3)
Q.15. In TDM, slots are further divided into _________
- Seconds
- Frames
- Packets
- Bits
Answer:- (2)
Q.16. In TDM, the transmission rate of a multiplexed path is always _______ the sum of the transmission rates of the signal sources.
- Greater than
- Lesser than
- Equal to
- Equal to or greater than
Answer:- (1)
Q.17. The time required to examine the packet’s header and determine where to direct the packet is part of __________
- Processing delay
- Queuing delay
- Transmission delay
- Propagation delay
Answer:- (1)
Q.18. Transmission delay does not depend on _____________
- Packet length
- Distance between the routers
- Transmission rate
- Bandwidth of medium
Answer:- (2)
Q.19. Propagation delay depends on ___________
- Packet length
- Transmission rate
- Distance between the routers
- Speed of the CPU
Answer:- (3)
Q.20. Which of the following delay is faced by the packet in travelling from one end system to another?
- Propagation delay
- Queuing delay
- Transmission delay
- All of the mentioned
Answer:- (4)
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