Which of the following port number is used for telnet services?
a) 80
b) 23
c) 20
d) 25
Which of the following port number is used for HTTP?
a) 80
b) 23
c) 20
d) 25
Which of the following port number is used for TCP?
a) 80
b) 23
c) 20
d) 25
Which of the following port number is used for FTP?
a) 80
b) 21
c) 20
d) 25
How many categories of port number?
a) one
b) two
c) three
d) four
Explanation: well-known port, registered port, dynamic and private port
What is the
range of well-known port number?
a) 0-1023
b) 1024-49151
c) 49152-65535
d) none of these
