📝 MCQ Test
Chapter 9 - Computer Networking
1. What is a computer network?
A. Interconnected devices that communicate and share resources
B. A single keyboard
C. A type of printer paper
D. A standalone calculator only
2. What is the full form of LAN?
A. Large Access Node
B. Local Area Network
C. Logical Application Name
D. Long Analog Network
3. Which network generally covers a large geographical area?
A. PAN
B. LAN
C. WAN
D. Single-device network
4. What is the full form of MAN?
A. Main Access Number
B. Machine Area Node
C. Managed Analog Network
D. Metropolitan Area Network
5. Which device forwards packets between IP networks?
A. Router
B. Keyboard
C. Scanner
D. Monitor
6. Which device commonly forwards Ethernet frames using MAC addresses?
A. Modem only
B. Network switch
C. Projector
D. Printer cartridge
7. What is the primary purpose of an IP address?
A. To set screen brightness
B. To format a document
C. To support addressing and routing on IP networks
D. To increase keyboard speed
8. Which protocol translates domain names into DNS records?
A. FTP
B. SMTP
C. DHCP
D. DNS
9. What does DHCP commonly provide automatically?
A. IP configuration information
B. Physical network cables
C. Computer monitors
D. Printed documents
10. Which topology connects devices to a central device?
A. Bus topology only
B. Star topology
C. Ring topology only
D. No topology
11. What is a network protocol?
A. A type of monitor
B. A storage cabinet
C. A set of communication rules
D. A printer stand
12. Which technology provides wireless local networking?
A. VGA
B. HDMI
C. USB printing only
D. Wi-Fi
13. What is a firewall designed to do?
A. Filter network traffic according to security rules
B. Increase the size of a monitor
C. Replace all network protocols
D. Print every network packet
14. Which statement about TCP is correct?
A. It never checks delivery order
B. It provides reliable, ordered byte-stream delivery
C. It is a physical cable
D. It is a type of monitor
15. Which statement about UDP is correct?
A. It guarantees delivery of every datagram
B. It always retransmits every lost packet
C. It does not guarantee delivery or ordering
D. It is a network switch
16. What is bandwidth?
A. The physical weight of a router
B. The length of a password
C. The number of keyboard keys
D. The data-carrying capacity of a communication link
17. What does a modem do?
A. Adapts or converts signals for a communication medium
B. Displays images only
C. Stores printed pages
D. Creates spreadsheet formulas
18. What is a MAC address commonly associated with?
A. A website title
B. A network interface at the link layer
C. A document heading
D. A monitor resolution
19. Which network is commonly used within a school computer laboratory?
A. WAN spanning countries
B. The entire global Internet only
C. LAN
D. A satellite network only
20. What is one important benefit of computer networking?
A. Preventing all possible cyberattacks
B. Eliminating the need for software
C. Making every device wireless
D. Sharing information and resources
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