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Why DNS use both TCP and UDP ports. And for which purpose
it uses TCP and UDP.

Answers were Sorted based on User's Feedback



Why DNS use both TCP and UDP ports. And for which purpose it uses TCP and UDP...

Answer / p.narayana

TCP(transmission control protocal) IS CONNECTION ORIENTED PROTOCAL,TCP IS RELIABLE,TCP IS GURANTED DELIVARY protocal ,TCP PROTOCAL NO-6.
UDP(userdatagram protocal) THIS IS CONNECTION LESS PROTOCAL,UDP IS UNRELIABLE,UDP IS NON GURANTED DELIVARY,PROTOCAL NO-17

Is This Answer Correct ?    0 Yes 1 No

Why DNS use both TCP and UDP ports. And for which purpose it uses TCP and UDP...

Answer / baraka mwakilima

TCP is a connection-oriented protocol and it requires data
to be consistent at the destination and UDP is connection-
less protocol and doesn't require data to be consistent or
don't need a connection to be established with host for
consistency of data.

Is This Answer Correct ?    0 Yes 3 No

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