Which network protocol does DNS use?
A.
FTP
B.
TFTP
C.
TCP
D.
udp
E.
scp
Which network protocol does DNS use?
Which network protocol does DNS use?
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Which network protocol does DNS use?
Which network protocol does DNS use?
A.
FTP
B.
TFTP
C.
TCP
D.
udp
E.
scp
Correct answers C, D. DNS uses port 53 on both TCP and UDP.. And by the way, they’re not Network layer protocols. They’re transport (or host-to-host) layer protocols. If the question asked Which protocol DNS PREFER to send dns queries then the answer would be UDP. But if a packet will be over 512 bytes, then the server will notify the client to use TCP.