Computer Networks MCQs

1018 MCQs  (Page 85 of 102)

Attempt Computer Networks Quiz
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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Word of the Day
13 Jul
Debunk
expose the falseness or hollowness of (an idea or belief).
بے نقاب کرنا، پول کھولنا

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