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115 questions found

Showing 1–20 of 115 results

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Computer networks · Multiple Choice
Difficulty: Medium
Which networking layer concerns transmitting signals through media such as cable, fiber, or radio?
Network layersProtocol architecture
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Computer networks · Multiple Choice
Difficulty: Medium
Which layer handles frames and local-link delivery between directly connected network interfaces?

Network layersProtocol architecture

Computer networks · Multiple Choice

Difficulty: Medium

Which layer forwards packets across interconnected networks using logical addressing?

Network layersProtocol architecture

Computer networks · Multiple Choice

Difficulty: Medium

Which layer provides endpoint-to-endpoint communication services above network-layer delivery?

Network layersProtocol architecture

Computer networks · Multiple Choice

Difficulty: Medium

Which layer defines protocols used directly by applications, such as HTTP and SMTP?

Network layersProtocol architecture

Computer networks · Multiple Choice

Difficulty: Medium

Which transport protocol provides a reliable, ordered byte stream between endpoints?

Core protocolsPacket communication

Computer networks · Multiple Choice

Difficulty: Medium

Which transport protocol sends independent datagrams without built-in reliable ordered delivery?

Core protocolsPacket communication

Computer networks · Multiple Choice

Difficulty: Medium

Which Internet protocol carries control and error messages such as destination-unreachable reports?

Core protocolsPacket communication

Computer networks · Multiple Choice

Difficulty: Medium

Which protocol maps an IPv4 address to a link-layer address on a local network?

Core protocolsPacket communication

Computer networks · Multiple Choice

Difficulty: Medium

Which distributed naming system maps domain names to resource records such as IP addresses?

Core protocolsPacket communication

Computer networks · Multiple Choice

Difficulty: Medium

Which Internet Protocol version uses 32-bit addresses commonly written as four decimal octets?

AddressingInternet Protocol

Computer networks · Multiple Choice

Difficulty: Medium

Which Internet Protocol version uses 128-bit addresses commonly written using hexadecimal groups?

AddressingInternet Protocol

Computer networks · Multiple Choice

Difficulty: Medium

What slash-suffixed address notation states how many leading address bits identify a network prefix?

AddressingInternet Protocol

Computer networks · Multiple Choice

Difficulty: Medium

What IPv4 value distinguishes the network-prefix bits from host bits in a subnet?

AddressingInternet Protocol

Computer networks · Multiple Choice

Difficulty: Medium

What router is used when a host has no more-specific route for a destination?

AddressingInternet Protocol

Computer networks · Multiple Choice

Difficulty: Easy

Which DNS record maps a hostname to an IPv4 address?

DNS record typesName resolution

Computer networks · Multiple Choice

Difficulty: Easy

Which DNS record maps a hostname to an IPv6 address?

DNS record typesName resolution

Computer networks · Multiple Choice

Difficulty: Easy

Which DNS record makes one name an alias of another canonical name?

DNS record typesName resolution

Computer networks · Multiple Choice

Difficulty: Easy

Which DNS record identifies mail exchangers responsible for accepting a domain's email?

DNS record typesName resolution

Computer networks · Multiple Choice

Difficulty: Easy

Which DNS record stores text values often used for verification or email-policy information?

DNS record typesName resolution

Showing 1–20 of 115 results

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