Discussion on Important MCQs for RRB JE 2020

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Watch Video Lecture on YouTube: Discussion on Important MCQs : Switching Techniques ,Topologies ,Computer Network (Computer Science)

Discussion on Important MCQs : Switching Techniques ,Topologies ,Computer Network (Computer Science)

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  • MCQs on Switching Techniques

  • MCQs on Topologies

  • MCQs on Computer Network

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Q1. Local Area Network can transmit:


A. Slower than telecommunications over public telephone lines

B. Faster than telecommunications over telephone lines

C. Using twisted pair wiring or co-axial cables

D. Both 1 and 3

Answer: D

Q2. In a _________link, the only traffic is between the two connected devices.


A. Secondary

B. Dedicated

C. Primary

D. None of these

Answer: B

Q3. Which of the following can be can be shared in a peer to peer network?


A. Information

B. Software

C. Hardware devices

D. All of these

Answer: D

Q4. The topology with highest reliability is:


A. Bus Topology

B. Mesh Topology

C. Linear Topology

D. None of these

Answer: B

Q5.What is the most dominant LAN technology?


A. Asynchronous transfer mode

B. Token Ring

C. Token Bus

D. Ethernet

Answer: D

Q6. Working of WAN generally involves:


A. Telephone lines

B. Microwaves

C. Satellites

D. All of these

Answer: D

Q7. Switching in Internet is done by using datagram approach to packet switching at the


A. network layer

B. application layer

C. data link layer

D. physical layer.

Answer: A

Q8. A switch in a datagram network uses a


A. destination address

B. sender address

C. routing table

D. header

Answer: C

Q9. Setup, data transfer and connection teardown are three phases of


A. circuit switching

B. packet switching

C. message switching

D. None

Answer: A

Q10. A switch that connects n inputs to m outputs in a grid, using electronic micro switches at each cross point is called


A. crossbar

B. crosspoint

C. multistage

D. onstage

Answer: A

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