Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 1
Q1:
What is a network primarily used for?
A. Connecting printers only
B. Connecting computers using various transmission technologies
C. Only storing data
D. None of the above
Correct Answer:
B
Chapter: 1
Q2:
What does the Internet connect?
A. Only nearby computers
B. Networks connected by switches
C. Networks connected by routers
D. Only mobile networks
Correct Answer:
C
Chapter: 1
Q3:
Which of the following is a classification of computer networks by size?
A. Star and Ring
B. Mobile and Fixed
C. LAN and WAN
D. Point-to-Point and Broadcast
Correct Answer:
C
Chapter: 1
Q4:
Which type of network covers a small geographical area such as a room or building?
A. MAN
B. PAN
C. LAN
D. WAN
Correct Answer:
C
Chapter: 1
Q5:
Which network is used to connect computers across cities or countries?
A. LAN
B. WAN
C. Wireless
D. PAN
Correct Answer:
B
Chapter: 1
Q6:
In star topology, all devices are connected to a ______.
A. Router
B. Firewall
C. Central hub
D. Modem
Correct Answer:
C
Chapter: 1
Q7:
In tree topology, computers are arranged in a structure that resembles a ______.
A. Bus
B. Ring
C. Tree
D. Star
Correct Answer:
C
Chapter: 1
Q8:
Which topology uses satellites or radio waves for communication?
A. Point-to-Point
B. Tree
C. Satellite/Radio
D. Ring
Correct Answer:
C
Chapter: 1
Q9:
In ring topology, each computer is connected to the next in a ______.
A. Tree
B. Bus
C. Star
D. Circle
Correct Answer:
D
Chapter: 1
Q10:
Which of the following is a transmission medium in networking?
A. HDMI
B. Copper wire
C. VGA
D. USB
Correct Answer:
B
Chapter: 1
Q11:
Which medium provides the greatest transmission range?
A. Copper wire
B. Co-axial cable
C. Optical fiber
D. Radio waves
Correct Answer:
D
Chapter: 1
Q12:
Which of the following is a fixed network?
A. WiFi
B. Cellular
C. DSL
D. 4G
Correct Answer:
C
Chapter: 1
Q13:
Which network type emerged in the last decade?
A. LAN
B. WAN
C. Fixed
D. Mobile
Correct Answer:
D
Chapter: 1
Q14:
What is a major concern in mobile networks?
A. High cost
B. Location and tracking
C. Speed of light
D. Data storage
Correct Answer:
B
Chapter: 1
Q15:
Networks are widely used in homes for:
A. Travel booking
B. Connecting light bulbs only
C. Switching and controlling devices
D. None of the above
Correct Answer:
C
Chapter: 1
Q16:
Networks support online libraries for education at:
A. Schools only
B. Local libraries
C. Home PCs
D. Public kiosks
Correct Answer:
C
Chapter: 1
Q17:
Which organization uses networks for communication?
A. Only schools
B. Only businesses
C. Government and military
D. Only households
Correct Answer:
C
Chapter: 1
Q18:
One major complexity in networks is:
A. No operating system
B. Too much storage
C. Lack of a single underlying model
D. High electricity cost
Correct Answer:
C
Chapter: 1
Q19:
What causes the existence of many networking technologies?
A. Similar standards
B. Different programming languages
C. Proprietary incompatible standards
D. Too much hardware
Correct Answer:
C
Chapter: 1
Q20:
Conceptual models of networks are either too simplistic or ______.
A. Too easy
B. Too abstract
C. Too outdated
D. Too complex
Correct Answer:
D