Which port does a Domain Name System /DNS) server use to listen for client queries?
A.
TCP port 25.
B.
TCP port 80.
C.
UDP port 21.
D.
UDP port 53.
Which port does a Domain Name System /DNS) server use to listen for client queries?
Which port does a Domain Name System /DNS) server use to listen for client queries?
A.
TCP port 25.
B.
TCP port 80.
C.
UDP port 21.
D.
UDP port 53.