Computer Networking MCQs
Practice Computer Networking MCQs covering LAN, MAN, WAN, PAN, topology, modem, router, hub, switch and IP address concepts.
Question #41
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Which of the following is not a network topology?
Correct Answer: Option B
Explanation:
Switch is a device, not a topology. Topologies include star, ring, bus, mesh, etc.
Switch is a device, not a topology. Topologies include star, ring, bus, mesh, etc.
This question belongs to:
Computer
Computer Networking
Question #42
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In which topology is it possible to add or remove devices without disrupting the entire network?
Correct Answer: Option D
Explanation:
In star topology, each device is independently connected to the central hub, so adding/removing doesn't affect others.
In star topology, each device is independently connected to the central hub, so adding/removing doesn't affect others.
This question belongs to:
Computer
Computer Networking
Question #43
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What is the primary advantage of a switch over a hub?
Correct Answer: Option D
Explanation:
Switches create separate collision domains per port, eliminating collisions and improving performance.
Switches create separate collision domains per port, eliminating collisions and improving performance.
This question belongs to:
Computer
Computer Networking
Question #44
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Which address is used by a router to forward packets between networks?
Correct Answer: Option B
Explanation:
Routers use IP addresses (network layer) to determine the destination network and forward packets.
Routers use IP addresses (network layer) to determine the destination network and forward packets.
This question belongs to:
Computer
Computer Networking
Question #45
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What is the full form of MAN?
Correct Answer: Option D
Explanation:
MAN stands for Metropolitan Area Network, covering a city or large campus.
MAN stands for Metropolitan Area Network, covering a city or large campus.
This question belongs to:
Computer
Computer Networking
Question #46
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Which class of IP address is used for multicast?
Correct Answer: Option D
Explanation:
Class D (224.0.0.0 to 239.255.255.255) is reserved for multicast groups.
Class D (224.0.0.0 to 239.255.255.255) is reserved for multicast groups.
This question belongs to:
Computer
Computer Networking
Question #47
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Which device connects a network to the Internet and often includes firewall functionality?
Correct Answer: Option A
Explanation:
A router often connects a local network to the internet and may include security features like firewalls.
A router often connects a local network to the internet and may include security features like firewalls.
This question belongs to:
Computer
Computer Networking
Question #48
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What is the maximum segment length for a 10BASE-T Ethernet network using twisted-pair cable?
Correct Answer: Option D
Explanation:
10BASE-T specifies a maximum cable segment length of 100 meters.
10BASE-T specifies a maximum cable segment length of 100 meters.
This question belongs to:
Computer
Computer Networking
Question #49
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In ring topology, how is data transmitted?
Correct Answer: Option B
Explanation:
In ring topology, data travels in one direction from node to node until it reaches the destination.
In ring topology, data travels in one direction from node to node until it reaches the destination.
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Computer
Computer Networking
Question #50
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Which network device is used to connect two different network segments and forward frames based on MAC addresses?
Correct Answer: Option C
Explanation:
A bridge connects two network segments and forwards frames based on MAC addresses, operating at layer 2.
A bridge connects two network segments and forwards frames based on MAC addresses, operating at layer 2.
This question belongs to:
Computer
Computer Networking
