Computer Networking MCQs
Practice Computer Networking MCQs covering LAN, MAN, WAN, PAN, topology, modem, router, hub, switch and IP address concepts.
Question #1
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What is the full form of LAN in computer networking?
Correct Answer: Option B
Explanation:
LAN stands for Local Area Network, which connects computers within a limited geographical area.
LAN stands for Local Area Network, which connects computers within a limited geographical area.
This question belongs to:
Computer
Computer Networking
Question #2
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Which network type covers a city or metropolitan area?
Correct Answer: Option A
Explanation:
MAN (Metropolitan Area Network) spans a city or large campus, larger than LAN but smaller than WAN.
MAN (Metropolitan Area Network) spans a city or large campus, larger than LAN but smaller than WAN.
This question belongs to:
Computer
Computer Networking
Question #3
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What is the maximum distance covered by a typical WAN?
Correct Answer: Option D
Explanation:
WAN (Wide Area Network) spans large geographical areas, often countries or continents.
WAN (Wide Area Network) spans large geographical areas, often countries or continents.
This question belongs to:
Computer
Computer Networking
Question #4
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Which network is used for connecting personal devices like a smartphone and smartwatch?
Correct Answer: Option A
Explanation:
PAN (Personal Area Network) is designed for short-range communication among personal devices, typically within 10 meters.
PAN (Personal Area Network) is designed for short-range communication among personal devices, typically within 10 meters.
This question belongs to:
Computer
Computer Networking
Question #5
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In a star topology, all devices are connected to a central device, which is usually a:
Correct Answer: Option C
Explanation:
In star topology, each node connects to a central hub or switch, making it easy to manage.
In star topology, each node connects to a central hub or switch, making it easy to manage.
This question belongs to:
Computer
Computer Networking
Question #6
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Which topology connects each device to exactly two other devices, forming a circular path?
Correct Answer: Option C
Explanation:
Ring topology has each device connected to two others in a closed loop, with data passing in one direction.
Ring topology has each device connected to two others in a closed loop, with data passing in one direction.
This question belongs to:
Computer
Computer Networking
Question #7
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What is the main disadvantage of a bus topology?
Correct Answer: Option C
Explanation:
In bus topology, if the main cable (backbone) fails, the entire network goes down.
In bus topology, if the main cable (backbone) fails, the entire network goes down.
This question belongs to:
Computer
Computer Networking
Question #8
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Which device connects different networks and forwards data packets based on IP addresses?
Correct Answer: Option C
Explanation:
A router operates at the network layer and routes packets between different networks using IP addresses.
A router operates at the network layer and routes packets between different networks using IP addresses.
This question belongs to:
Computer
Computer Networking
Question #9
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At which layer of the OSI model does a hub operate?
Correct Answer: Option D
Explanation:
A hub is a physical layer device that simply repeats signals to all ports without any intelligence.
A hub is a physical layer device that simply repeats signals to all ports without any intelligence.
This question belongs to:
Computer
Computer Networking
Question #10
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Which device operates at the data link layer and uses MAC addresses to forward data?
Correct Answer: Option C
Explanation:
A switch uses MAC addresses to forward frames within a local network, operating at layer 2.
A switch uses MAC addresses to forward frames within a local network, operating at layer 2.
This question belongs to:
Computer
Computer Networking
