Computer Networking MCQs
Practice Computer Networking MCQs covering LAN, MAN, WAN, PAN, topology, modem, router, hub, switch and IP address concepts.
Question #81
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What does the term packet refer to in networking?
Correct Answer: Option B
Explanation:
A packet is a formatted unit of data at the network layer (layer 3).
A packet is a formatted unit of data at the network layer (layer 3).
This question belongs to:
Computer
Computer Networking
Question #82
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Which of the following is a connection-oriented protocol?
Correct Answer: Option A
Explanation:
TCP is connection-oriented; it establishes a session before sending data.
TCP is connection-oriented; it establishes a session before sending data.
This question belongs to:
Computer
Computer Networking
Question #83
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What is the role of a network interface card (NIC)?
Correct Answer: Option D
Explanation:
A NIC is hardware that connects a computer to a network media.
A NIC is hardware that connects a computer to a network media.
This question belongs to:
Computer
Computer Networking
Question #84
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In a bus topology, how are signals transmitted?
Correct Answer: Option D
Explanation:
In bus topology, all devices share a single communication line, and signals travel in both directions.
In bus topology, all devices share a single communication line, and signals travel in both directions.
This question belongs to:
Computer
Computer Networking
Question #85
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What is the range of Class C IP addresses?
Correct Answer: Option D
Explanation:
Class C ranges from 192.0.0.0 to 223.255.255.255.
Class C ranges from 192.0.0.0 to 223.255.255.255.
This question belongs to:
Computer
Computer Networking
Question #86
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What is the function of a modem's modulation?
Correct Answer: Option D
Explanation:
Modulation converts digital data from a computer into analog signals suitable for transmission over telephone lines.
Modulation converts digital data from a computer into analog signals suitable for transmission over telephone lines.
This question belongs to:
Computer
Computer Networking
Question #87
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Which network device operates at the OSI model's physical layer and can regenerate signals?
Correct Answer: Option B
Explanation:
Repeaters work at the physical layer to regenerate and amplify signals to extend cable length.
Repeaters work at the physical layer to regenerate and amplify signals to extend cable length.
This question belongs to:
Computer
Computer Networking
Question #88
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Which topology is a combination of two or more topologies?
Correct Answer: Option A
Explanation:
Hybrid topology combines different topologies to meet specific network requirements.
Hybrid topology combines different topologies to meet specific network requirements.
This question belongs to:
Computer
Computer Networking
Question #89
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What is the role of a DHCP server?
Correct Answer: Option D
Explanation:
DHCP server automatically assigns IP addresses and other network configuration to clients.
DHCP server automatically assigns IP addresses and other network configuration to clients.
This question belongs to:
Computer
Computer Networking
Question #90
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Which of the following is a protocol used for secure communication over the internet?
Correct Answer: Option B
Explanation:
HTTPS (HTTP Secure) uses SSL/TLS to encrypt data for secure communication.
HTTPS (HTTP Secure) uses SSL/TLS to encrypt data for secure communication.
This question belongs to:
Computer
Computer Networking
