NETWORK ADMINISTRATION EXAMINATION QUESTIONS AND CORRECT ANSWER WITH EXPLANATION GRADED A+ STUDY GUIDE

NETWORK ADMINISTRATION EXAMINATION QUESTIONS
AND CORRECT ANSWER WITH EXPLANATION GRADED
A+ STUDY GUIDE SOUTHERN NEW HAMPSHIRE
UNIVERSITY
1. A computer network is:
A. A single computer
B. A group of connected devices sharing resources
C. A software program
D. A CPU process
Answer: B
Rationale: Networks connect devices to share data and resources.

2. LAN stands for:
A. Large Access Network
B. Local Area Network
C. Light Area Node
D. Linked Access Node
Answer: B
Rationale: LAN covers a small geographical area.

3. WAN stands for:
A. Wide Area Network
B. Wireless Access Node
C. Web Area Network
D. Wired Access Network
Answer: A
Rationale: WAN spans large geographical areas.

4. MAN stands for:
A. Main Area Network
B. Metropolitan Area Network
C. Managed Access Node
D. Mobile Area Network
Answer: B
Rationale: MAN covers a city or town.

,5. The device that connects multiple networks is:
A. Switch
B. Router
C. Printer
D. Hub
Answer: B
Rationale: Routers connect different networks.

6. A switch is used to:
A. Connect multiple devices in a LAN
B. Connect internet globally
C. Print documents
D. Store files
Answer: A
Rationale: Switch connects local devices.

7. A hub:
A. Directs traffic intelligently
B. Broadcasts data to all devices
C. Encrypts data
D. Stores files
Answer: B
Rationale: Hub sends data to all ports.

8. IP stands for:
A. Internet Protocol
B. Internal Process
C. Internet Program
D. Integrated Protocol
Answer: A
Rationale: IP identifies devices on a network.

9. An IP address is used to:
A. Store files
B. Identify devices on a network
C. Increase RAM
D. Encrypt data
Answer: B
Rationale: Unique network identifier.

, 10. IPv4 address format is:
A. Hexadecimal
B. Four decimal numbers
C. Binary only
D. Letters only
Answer: B
Rationale: Example 192.168.1.1

11. IPv6 was introduced to:
A. Slow networks
B. Increase IP address space
C. Replace RAM
D. Replace CPU
Answer: B
Rationale: More IP addresses available.

12. DNS stands for:
A. Data Network System
B. Domain Name System
C. Digital Network Service
D. Domain Node Server
Answer: B
Rationale: Converts domain names to IP.

13. DHCP stands for:
A. Dynamic Host Configuration Protocol
B. Data Host Control Program
C. Domain Host Control Protocol
D. Dynamic Host Control Process
Answer: A
Rationale: Assigns IP addresses automatically.

14. MAC address is:
A. Software ID
B. Hardware network address
C. CPU ID
D. RAM ID
Answer: B
Rationale: Unique device identifier.