By default, which of the following ports is used for DNS?
A.
21
B.
25
C.
50
D.
53
which of the following ports is used for DNS?
By default, which of the following ports is used for DNS?
By default, which of the following ports is used for DNS?
By default, which of the following ports is used for DNS?
A.
21
B.
25
C.
50
D.
53