Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 1
Q41:
The role of routers in the Internet is to:
A. Connect only phones
B. Connect switches only
C. Pass traffic between networks
D. Filter spam
Correct Answer:
C
Chapter: 1
Q42:
What is the key advantage of understanding concepts over hardware in networks?
A. Buying better parts
B. Speeding up internet
C. Learning broadly
D. Understanding analogies
Correct Answer:
D
Chapter: 1
Q43:
Networks are used in which of the following areas?
A. Only IT
B. Education only
C. Business only
D. All of the above
Correct Answer:
D
Chapter: 1
Q44:
What should be learned alongside network concepts?
A. Programming
B. Terminology
C. Binary math
D. Power usage
Correct Answer:
B
Chapter: 1
Q45:
Internet is a type of ______ network.
A. LAN
B. WAN
C. PAN
D. MAN
Correct Answer:
B
Chapter: 1
Q46:
Which topology connects devices in a closed loop?
A. Bus
B. Star
C. Ring
D. Tree
Correct Answer:
C
Chapter: 2
Q47:
What was one of the primary motivations towards networking?
A. Cost reduction
B. Faster computation
C. Resource sharing
D. Enhanced security
Correct Answer:
C
Chapter: 2
Q48:
What does resource sharing in networking refer to?
A. Buying new hardware
B. Connecting to the internet
C. Sharing available resources among users
D. Using only wireless connections
Correct Answer:
C
Chapter: 2
Q49:
What is the main goal of resource sharing?
A. To allow software installation
B. To make all programs and data available to anyone in the network
C. To backup data online
D. To provide physical security to devices
Correct Answer:
B
Chapter: 2
Q50:
Which device is commonly shared among office workers due to high cost?
A. Monitor
B. Mouse
C. Printer
D. Scanner
Correct Answer:
C
Chapter: 2
Q51:
In early days, what was the main reason for resource sharing?
A. Sharing files
B. Sharing internet
C. Sharing peripheral devices
D. Sharing computational power
Correct Answer:
D
Chapter: 2
Q52:
Why couldn’t all scientists get their own computer in the early days?
A. There were no computers
B. Computers were not allowed
C. Computers were too expensive
D. Government restricted it
Correct Answer:
C
Chapter: 2
Q53:
What does ARPA stand for?
A. Advanced Routing Protocol Agency
B. Automated Resource Planning Agency
C. Advanced Research Project Agency
D. Automatic Remote Processing Agency
Correct Answer:
C
Chapter: 2
Q54:
What approach did ARPA use for networking?
A. Circuit switching and routing
B. Packet switching and internetworking
C. Fiber optic and TCP/IP
D. Manual networking and cables
Correct Answer:
B
Chapter: 2
Q55:
What was the first network established by ARPA?
A. NetOne
B. ARPA System
C. ARPA Online
D. ARPANET
Correct Answer:
D
Chapter: 2
Q56:
Internet emerged in which decade due to ARPA research?
A. 1950s
B. 1960s
C. 1970s
D. 1980s
Correct Answer:
C
Chapter: 2
Q57:
In the log scale graph, the values on Y-axis represent:
A. Power of 10
B. Power of 2
C. Number of nodes
D. Internet speed
Correct Answer:
A
Chapter: 2
Q58:
What does exponential growth of the internet mean?
A. Fixed increase over time
B. Decrease over time
C. Double or more growth periodically
D. Linear growth
Correct Answer:
C
Chapter: 2
Q59:
Internet growth doubled approximately every __________.
A. 2 years
B. 1 month
C. 9 to 12 months
D. 5 years
Correct Answer:
C
Chapter: 2
Q60:
In early days, how was the number of computers in a network counted?
A. Using AI
B. Manually
C. Via sensors
D. Through software
Correct Answer:
B