Which of the following protocols are used in application layer of TCP/IP?
a) file transfer protocol
b) hypertext transfer protocol
c) simple mail transfer protocol
d) all of these
Which of the following characteristics of transport layer?
a) reliable
b) connection-oriented data
c) both a & b
d) none of these
Which of the following is responsible for assigning TCP and UDP port number?
a) IANA
b) FTP
c) TAP
d) none of these
Explanation: IANA stand for internet assigned number authority
What is the port number of TCP and UDP?
a) 80
b) 20
c) 25
d) 65535
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
