Udp MCQs

10 MCQs — Computer Networks MCQs

Practice Udp MCQs with correct answers and explanations. These questions are from the Computer Networks MCQs section.

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Which of the following is false with respect to UDP?

A. Connection-oriented
B. Unreliable
C. Transport layer protocol
D. Low overhead

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Return value of the UDP port “Chargen” is _______

A. String of characters
B. String of integers
C. Array of characters with integers
D. Array of zero’s and one’s

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Beyond IP, UDP provides additional services such as _______

A. Routing and switching
B. Sending and receiving of packets
C. Multiplexing and demultiplexing
D. Demultiplexing and error checking

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What is the main advantage of UDP?

A. More overload
B. Reliable
C. Low overhead
D. Fast

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Port number used by Network Time Protocol (NTP) with UDP is ________

A. 161
B. 123
C. 162
D. 124

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What is the header size of a UDP packet?

A. 8 bytes
B. 8 bits
C. 16 bytes
D. 124 bytes

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The port number is “ephemeral port number”, if the source host is _______

A. Ntp
B. Echo
C. Server
D. Client

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“Total length” field in UDP packet header is the length of _________

A. .
B. Only data
C. Only checksum
D. Udp header plus data

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Which is the correct expression for the length of UDP datagram?

A. Udp length = ip length ? ip header’s length
B. Udp length = UDP length ? UDP header’s length
C. Udp length = ip length + ip header’s length
D. Udp length = UDP length + UDP header’s length

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The ______ field is used to detect errors over the entire user datagram.

A. Udp header
B. Checksum
C. Source port
D. Destination port

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