Computer Networking MCQs
Practice Computer Networking MCQs covering LAN, MAN, WAN, PAN, topology, modem, router, hub, switch and IP address concepts.
Question #31
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What is the purpose of a router's routing table?
Correct Answer: Option B
Explanation:
A routing table contains destination networks and the next hop to forward packets.
A routing table contains destination networks and the next hop to forward packets.
This question belongs to:
Computer
Computer Networking
Question #32
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Which type of network is the Internet considered?
Correct Answer: Option D
Explanation:
The Internet is the largest example of a WAN, spanning the entire globe.
The Internet is the largest example of a WAN, spanning the entire globe.
This question belongs to:
Computer
Computer Networking
Question #33
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What does the acronym ARP stand for?
Correct Answer: Option A
Explanation:
ARP is used to map an IP address to a physical MAC address in a local network.
ARP is used to map an IP address to a physical MAC address in a local network.
This question belongs to:
Computer
Computer Networking
Question #34
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Which topology requires a central controller (like a hub or switch) to manage data transmission?
Correct Answer: Option B
Explanation:
Star topology relies on a central device to which all nodes connect.
Star topology relies on a central device to which all nodes connect.
This question belongs to:
Computer
Computer Networking
Question #35
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What is the size of an IPv4 address in bits?
Correct Answer: Option A
Explanation:
IPv4 addresses are 32 bits long, typically expressed in dotted decimal.
IPv4 addresses are 32 bits long, typically expressed in dotted decimal.
This question belongs to:
Computer
Computer Networking
Question #36
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Which protocol is used for reliable, connection-oriented data transmission?
Correct Answer: Option B
Explanation:
TCP (Transmission Control Protocol) provides reliable, ordered, and error-checked delivery of data.
TCP (Transmission Control Protocol) provides reliable, ordered, and error-checked delivery of data.
This question belongs to:
Computer
Computer Networking
Question #37
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Which device can be used to extend the length of a network segment by regenerating the signal?
Correct Answer: Option D
Explanation:
A repeater amplifies and regenerates signals to extend the distance of a network.
A repeater amplifies and regenerates signals to extend the distance of a network.
This question belongs to:
Computer
Computer Networking
Question #38
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What is the binary equivalent of the subnet mask 255.255.255.0?
Correct Answer: Option A
Explanation:
255.255.255.0 in binary is 24 ones followed by 8 zeros.
255.255.255.0 in binary is 24 ones followed by 8 zeros.
This question belongs to:
Computer
Computer Networking
Question #39
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Which of the following is a broadcast address for a network with subnet mask 255.255.255.0 and network IP 192.168.1.0?
Correct Answer: Option A
Explanation:
The broadcast address is the highest address in the subnet, i.e., 192.168.1.255 for a /24 network.
The broadcast address is the highest address in the subnet, i.e., 192.168.1.255 for a /24 network.
This question belongs to:
Computer
Computer Networking
Question #40
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What does the acronym NIC stand for?
Correct Answer: Option A
Explanation:
NIC is a hardware component that connects a computer to a network.
NIC is a hardware component that connects a computer to a network.
This question belongs to:
Computer
Computer Networking
