Elementary Computer Applications- MCQs- Paper- 07- Topics:- Computer Networking

Dr. Pankaj Dadhich February 09, 2026

 Elementary Computer Applications- MCQs- Paper- 07- 
Topics:- Computer Networking
 

 1. A network that covers a small geographic area is called:

A. WAN
B. MAN
C. LAN
D. PAN
Answer: C

2. Which network connects computers across cities or countries?

A. LAN
B. WAN
C. PAN
D. CAN
Answer: B

3. MAN stands for:

A. Main Area Network
B. Metropolitan Area Network
C. Multi Access Network
D. Machine Area Network
Answer: B

4. Example of LAN is:

A. Internet
B. Office network
C. Satellite network
D. Telephone network
Answer: B

5. Which network type is used within a city?

A. LAN
B. WAN
C. MAN
D. PAN
Answer: C

6. The Internet is an example of:

A. LAN
B. MAN
C. WAN
D. PAN
Answer: C

7. Network topology refers to:

A. Speed of network
B. Physical or logical arrangement of nodes
C. Type of cables
D. Software protocol
Answer: B

8. In which topology all nodes connect to a central hub?

A. Ring
B. Bus
C. Star
D. Mesh
Answer: C

9. Which topology uses a single backbone cable?

A. Bus
B. Star
C. Mesh
D. Tree
Answer: A

10. In ring topology data travels in:

A. Multiple directions
B. One circular direction
C. Random direction
D. Star direction
Answer: B

11. Fully connected network is called:

A. Star
B. Bus
C. Mesh
D. Ring
Answer: C

12. Which topology is most reliable but costly?

A. Bus
B. Star
C. Mesh
D. Ring
Answer: C

13. A bridge works at which OSI layer?

A. Physical
B. Data Link
C. Network
D. Transport
Answer: B

14. A bridge is used to:

A. Convert signals
B. Connect two network segments
C. Increase voltage
D. Encrypt data
Answer: B

15. A router operates at which layer?

A. Network layer
B. Session layer
C. Transport layer
D. Data link layer
Answer: A

16. Router is used to:

A. Connect networks and route packets
B. Amplify signals
C. Store data
D. Compress files
Answer: A

17. Which device connects different types of networks?

A. Switch
B. Bridge
C. Gateway
D. Repeater
Answer: C

18. Gateway works at:

A. Only physical layer
B. Only network layer
C. All OSI layers
D. Transport layer only
Answer: C

19. A modem is used to:

A. Store memory
B. Convert digital to analog signals
C. Route packets
D. Filter data
Answer: B

20. MODEM stands for:

A. Modulate Demodulate
B. Modify Demodify
C. Module Decode
D. Modulate Decode
Answer: A

21. Which device regenerates signals in a network?

A. Router
B. Repeater
C. Gateway
D. Bridge
Answer: B

22. ISDN stands for:

A. Integrated Services Digital Network
B. Internet Services Digital Node
C. Integrated System Data Network
D. Internal Service Data Network
Answer: A

23. ISDN is mainly used for:

A. Analog transmission
B. Digital transmission
C. Optical storage
D. Wireless charging
Answer: B

24. Leased line is:

A. Shared public line
B. Dedicated private line
C. Wireless line
D. Temporary line
Answer: B

25. Leased lines are generally used by:

A. Home users
B. Businesses and organizations
C. Only gamers
D. Only schools
Answer: B

26. Teleconferencing means:

A. Watching TV
B. Audio meeting over distance
C. Printing documents
D. Sending email
Answer: B

27. Videoconferencing includes:

A. Only text
B. Audio only
C. Audio + Video
D. File transfer only
Answer: C

28. Which device is required for videoconferencing?

A. Scanner
B. Webcam
C. Plotter
D. Printer
Answer: B

29. Zoom meeting is an example of:

A. Teleprinting
B. Videoconferencing
C. Broadcasting
D. Paging
Answer: B

30. Which topology has no central controller?

A. Star
B. Bus
C. Ring
D. Mesh
Answer: B

31. Failure of hub affects entire network in:

A. Bus
B. Star
C. Ring
D. Mesh
Answer: B

32. Which topology is easiest to install?

A. Mesh
B. Star
C. Bus
D. Ring
Answer: C

33. Router uses which address?

A. MAC address
B. IP address
C. Port address
D. Physical address
Answer: B

34. Bridge uses which address?

A. IP
B. MAC
C. Port
D. Logical
Answer: B

35. Gateway is used when networks use:

A. Same protocols
B. Different protocols
C. Same speed
D. Same cable
Answer: B

36. Which is fastest among these?

A. LAN
B. MAN
C. WAN
D. Internet
Answer: A

37. Which is largest network type?

A. LAN
B. MAN
C. WAN
D. PAN
Answer: C

38. Bus topology requires:

A. Central hub
B. Backbone cable
C. Ring cable
D. Switch
Answer: B

39. Ring topology failure occurs if:

A. One node fails
B. Cable is fast
C. Router exists
D. Bridge works
Answer: A

40. Mesh topology provides:

A. Low security
B. High redundancy
C. Low cost
D. Single path
Answer: B

41. Which device connects LAN to WAN?

A. Router
B. Mouse
C. Printer
D. Keyboard
Answer: A

42. Teleconferencing saves:

A. Fuel and travel time
B. Electricity
C. Paper
D. Storage
Answer: A

43. Videoconferencing requires:

A. Camera and microphone
B. Only keyboard
C. Only mouse
D. Only printer
Answer: A

44. ISDN supports:

A. Voice only
B. Data only
C. Voice and Data
D. Video only
Answer: C

45. A leased line offers:

A. Variable bandwidth
B. Dedicated bandwidth
C. No bandwidth
D. Shared bandwidth
Answer: B

46. Gateway performs:

A. Protocol conversion
B. Signal boosting
C. File compression
D. Error printing
Answer: A

47. Router selects path based on:

A. MAC table
B. Routing table
C. ARP table
D. Switch table
Answer: B

48. Bridge reduces:

A. Voltage
B. Network traffic
C. Storage
D. Memory
Answer: B

49. WAN generally uses:

A. Private cables only
B. Public networks
C. Only USB
D. Bluetooth
Answer: B

50. Example of teleconferencing tool:

A. Email
B. Telephone conference call
C. Printer
D. Scanner
Answer: B

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