COMPUTER NETWORKS EXAMINATION QUESTIONS AND CORRRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

COMPUTER NETWORKS EXAMINATION QUESTIONS AND
CORRRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. Computer networking is:
A. Connecting computers to share resources
B. Designing hardware only
C. Writing OS code only
D. Building software only
Answer: A
Rationale: Networks enable resource sharing.

2. A computer network consists of:
A. Interconnected devices
B. Single computer only
C. CPU only
D. Database only
Answer: A
Rationale: Multiple connected devices.

3. LAN stands for:
A. Local Area Network
B. Large Area Network
C. Linked Access Node
D. Local Access Network
Answer: A
Rationale: Small geographical network.

4. WAN stands for:
A. Wide Area Network
B. Wireless Access Node
C. Web Area Network
D. Wired Area Node
Answer: A
Rationale: Large geographical network.

5. MAN stands for:
A. Metropolitan Area Network

, B. Main Area Network
C. Mobile Area Network
D. Multi Access Node
Answer: A
Rationale: City-level network.

6. The internet is:
A. Global network of networks
B. Single computer
C. Local system
D. Software only
Answer: A
Rationale: Worldwide network.

7. In networking, a node is:
A. Any connected device
B. Only server
C. Only router
D. Only switch
Answer: A
Rationale: Network participant.

8. A router is used to:
A. Forward data between networks
B. Store files
C. Design websites
D. Run programs
Answer: A
Rationale: Routes network traffic.

9. A switch connects:
A. Devices within a LAN
B. Different countries
C. Databases
D. Operating systems
Answer: A
Rationale: Local network connection.

10. A modem is used for:
A. Internet connection

, B. Data storage
C. Programming
D. UI design
Answer: A
Rationale: Internet access device.

11. IP address is:
A. Device identifier on network
B. Website design
C. Programming language
D. OS component
Answer: A
Rationale: Network address.

12. IPv4 uses:
A. 32-bit addressing
B. 64-bit addressing
C. 128-bit addressing
D. No addressing
Answer: A
Rationale: Standard IP format.

13. IPv6 uses:
A. 128-bit addressing
B. 32-bit addressing
C. 64-bit addressing
D. No addressing
Answer: A
Rationale: Expanded IP system.

14. MAC address is:
A. Hardware address
B. Software address
C. IP address
D. Domain name
Answer: A
Rationale: Physical device ID.

15. DNS stands for:
A. Domain Name System