MCQ in Computer Network and Networking Part 1 | ECE Board Exam

This is the Multiple Choice Questions Part 1 of the Series on Computer Network and Networking as one of the Communication Engineering (EST) and Electronics Engineering topics. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize yourself in each and every question compiled here taken from various sources including but not limited to past Board Exam Questions in Communication Engineering and Electronics Engineering field, Communications Books, Electronics Books, Journals and other Communications and Electronics References.

Start Practice Exam Test Questions Part 1 of the Series

Choose the letter of the best answer in each question.

1. When the collection of various computers seems a single coherent system to its client, then it is called

A. computer network

B. distributed system

C. both (a) and (b)

D. none of the mentioned

2. Two devices are in network if

A. a process in one device is able to exchange information with a process in another device

B. a process is running on both devices

C. pids of the processes running of different devices are same

D. none of the mentioned

3. Which one of the following computer networks is built on the top of another network?

A. prior network

B. chief network

C. prime network

D. overlay network

4. In computer network nodes are

A. the computer that originates the data

B. the computer that routes the data

C. the computer that terminates the data

D. all of the mentioned

5. Communication channel is shared by all the machines on the network in

A. broadcast network

B. unicast network

C. multicast network

D. none of the mentioned

6. Bluetooth is an example of

A. personal area network

B. local area network

C. virtual private network

D. none of the mentioned

7. A _____ is a device that forwards packets between networks by processing the routing information included in the packet.

A. bridge

B. firewall

C. router

D. all of the mentioned

8. A list of protocols used by a system, one protocol per layer, is called

A. protocol architecture

B. protocol stack

C. protocol suit

D. none of the mentioned

9. Network congestion occurs

A. in case of traffic overloading

B. when a system terminates

C. when connection between two nodes terminates

D. none of the mentioned

10. Which one of the following extends a private network across public networks?

A. local area network

B. virtual private network

C. enterprise private network

D. storage area network

11. OSI stands for

A. open system interconnection

B. operating system interface

C. optical service implementation

D. none of the mentioned

12. The OSI model has ___ layers.

A. 4

B. 5

C. 6

D. 7

13. TCP/IP model does not have ______ layer but OSI model have this layer.

A. session layer

B. presentation layer

C. application layer

D. both (a) and (b)

14. Which layer links the network support layers and user support layers

A. session layer

B. data link layer

C. transport layer

D. network layer

15. Which address is used in an internet employing the TCP/IP protocols?

A. physical address and logical address

B. port address

C. specific address

D. all of the mentioned

16. TCP/IP model was developed _____ the OSI model.

A. prior to

B. after

C. simultaneous to

D. none of the mentioned

17. Which layer is responsible for process-to-process delivery?

A. network layer

B. transport layer

C. session layer

D. data link layer

18. Which address identifies a process on a host?

A. physical address

B. logical address

C. port address

D. specific address

19. Which layer provides the services to user?

A. application layer

B. session layer

C. presentation layer

D. none of the mentioned

20. Transmission data rate is decided by

A. network layer

B. physical layer

C. data link layer

D. transport layer

21. Which transmission media has the highest transmission speed in a network?

A. coaxial cable

B. twisted pair cable

C. optical fiber

D. electrical cable

22. Bits can be sent over guided and unguided media as analog signal by

A. digital modulation

B. amplitude modulation

C. frequency modulation

D. phase modulation

23. The portion of physical layer that interfaces with the media access control sublayer is called

A. physical signalling sublayer

B. physical data sublayer

C. physical address sublayer

D. none of the mentioned

24. physical layer provides

A. mechanical specifications of electrical connectors and cables

B. electrical specification of transmission line signal level

C. specification for ir over optical fiber

D. all of the mentioned

25. In asynchronous serial communication the physical layer provides

A. start and stop signalling

B. flow control

C. both (a) and (b)

D. none of the mentioned

26. The physical layer is responsible for

A. line coding

B. channel coding

C. modulation

D. all of the mentioned

27. The physical layer translates logical communication requests from the ______ into hardware specific operations.

A. data link layer

B. network layer

C. trasnport layer

D. application layer

28. A single channel is shared by multiple signals by

A. analog modulation

B. digital modulation

C. multiplexing

D. none of the mentioned

29. Wireless transmission can be done via

A. radio waves

B. microwaves

C. infrared

D. all of the mentioned

30. The data link layer takes the packets from _____ and encapsulates them into frames for transmission.

A. network layer

B. physical layer

C. transport layer

D. application layer

31. Which one of the following tasks is not done by data link layer?

A. framing

B. error control

C. flow control

D. channel coding

32. Which sublayer of the data link layer performs data link functions that depend upon the type of medium?

A. logical link control sublayer

B. media access control sublayer

C. network interface control sublayer

D. none of the mentioned

33. Header of a frame generally contains

A. synchronization bytes

B. addresses

C. frame identifier

D. all of the mentioned

34. Automatic repeat request error management mechanism is provided by

A. logical link control sublayer

B. media access control sublayer

C. network interface control sublayer

D. none of the mentioned

35. When 2 or more bits in a data unit has been changed during the transmission, the error is called

A. random error

B. burst error

C. inverted error

D. none of the mentioned

36. CRC stands for

A. cyclic redundancy check

B. code repeat check

C. code redundancy check

D. cyclic repeat check

37. Which one of the following is a data link protocol?

A. ethernet

B. point to point protocol

C. hdlc

D. all of the mentioned

38. Which one of the following is the multiple access protocol for channel access control?

A. csma/cd

B. csma/ca

C. both (a) and (b)

D. none of the mentioned

39. The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is called

A. piggybacking

B. cyclic redundancy check

C. fletcher’s checksum

D. none of the mentioned

40. The network layer concerns with

A. bits

B. frames

C. packets

D. none of the mentioned

41. Which one of the following is not a function of network layer?

A. routing

B. inter-networking

C. congestion control

D. none of the mentioned

42. The 4-byte IP address consists of

A. network address

B. host address

C. both (a) and (b)

D. none of the mentioned

43. In virtual circuit network each packet contains

A. full source and destination address

B. a short vc number

C. both (a) and (b)

D. none of the mentioned

44. Which one of the following routing algorithms can be used for network layer design?

A. shortest path algorithm

B. distance vector routing

C. link state routing

D. all of the mentioned

45. Multidestination routing

A. is same as broadcast routing

B. contains the list of all destinations

C. data is not sent by packets

D. none of the mentioned

46. A subset of a network that includes all the routers but contains no loops is called

A. spanning tree

B. spider structure

C. spider tree

D. none of the mentioned

47. Which one of the following algorithms is not used for congestion control?

A. traffic aware routing

B. admission control

C. load shedding

D. none of the mentioned

48. The network layer protocol of internet is

A. ethernet

B. internet protocol

C. hypertext transfer protocol

D. none of the mentioned

49. ICMP is primarily used for

A. error and diagnostic functions

B. addressing

C. forwarding

D. none of the mentioned

50. Transport layer aggregates data from different applications into a single stream before passing it to

A. network layer

B. data link layer

C. application layer

D. physical layer

MCQ in Computer Fundamentals Series

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