Computer Networking MCQs
Practice Computer Networking MCQs covering LAN, MAN, WAN, PAN, topology, modem, router, hub, switch and IP address concepts.
Question #61
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Which topology is most commonly used in wireless networks?
Correct Answer: Option D
Explanation:
Wireless networks often use mesh or star-based topologies; mesh is common for Wi-Fi extended networks.
Wireless networks often use mesh or star-based topologies; mesh is common for Wi-Fi extended networks.
This question belongs to:
Computer
Computer Networking
Question #62
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What is a network gateway?
Correct Answer: Option C
Explanation:
A gateway acts as an entrance to another network, often translating protocols.
A gateway acts as an entrance to another network, often translating protocols.
This question belongs to:
Computer
Computer Networking
Question #63
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Which protocol is connectionless and does not guarantee delivery?
Correct Answer: Option A
Explanation:
UDP (User Datagram Protocol) is connectionless and provides no guarantees of delivery, order, or error checking.
UDP (User Datagram Protocol) is connectionless and provides no guarantees of delivery, order, or error checking.
This question belongs to:
Computer
Computer Networking
Question #64
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What is the purpose of a VLAN (Virtual LAN)?
Correct Answer: Option D
Explanation:
VLANs divide a physical network into multiple logical networks for better management and security.
VLANs divide a physical network into multiple logical networks for better management and security.
This question belongs to:
Computer
Computer Networking
Question #65
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Which device is used to connect multiple computers in a LAN using twisted-pair cables?
Correct Answer: Option D
Explanation:
Hubs and switches are used to interconnect devices within a LAN.
Hubs and switches are used to interconnect devices within a LAN.
This question belongs to:
Computer
Computer Networking
Question #66
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What does the acronym ISP stand for?
Correct Answer: Option B
Explanation:
ISP is a company that provides internet access to customers.
ISP is a company that provides internet access to customers.
This question belongs to:
Computer
Computer Networking
Question #67
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Which class of IP address has the first octet ranging from 128 to 191?
Correct Answer: Option A
Explanation:
Class B addresses have first octet between 128 and 191.
Class B addresses have first octet between 128 and 191.
This question belongs to:
Computer
Computer Networking
Question #68
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What is the purpose of a network bridge?
Correct Answer: Option D
Explanation:
Bridges filter and forward frames based on MAC addresses, connecting segments.
Bridges filter and forward frames based on MAC addresses, connecting segments.
This question belongs to:
Computer
Computer Networking
Question #69
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Which of the following is a valid MAC address format?
Correct Answer: Option D
Explanation:
MAC addresses are 6 bytes (48 bits) in hexadecimal, separated by colons or hyphens.
MAC addresses are 6 bytes (48 bits) in hexadecimal, separated by colons or hyphens.
This question belongs to:
Computer
Computer Networking
Question #70
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In which type of network topology is a token used to control transmission?
Correct Answer: Option B
Explanation:
Token Ring networks use a token-passing mechanism in a ring topology.
Token Ring networks use a token-passing mechanism in a ring topology.
This question belongs to:
Computer
Computer Networking
