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1

GATE CSE 2014 Set 2

MCQ (Single Correct Answer)
Which one of the following socket API functions converts an unconnected active TCP socket into a passive socket?
A
connect
B
bind
C
listen
D
accept
2

GATE CSE 2013

MCQ (Single Correct Answer)
The transport layer protocols used for real time multimedia, file transfer, DNS and email, respectively are
A
TCP, UDP, UDP and TCP
B
UDP, TCP, TCP and UDP
C
UDP, TCP, UDP and TCP
D
TCP, UDP, TCP and UDP
3

GATE CSE 2012

MCQ (Single Correct Answer)
Which of the following transport layer protocols is used to support electronic mail?
A
SMTP
B
IP
C
TCP
D
UDP

Explanation

a) SMTP - It is a application layer protocol for sending email.

b) IP - It is a network layer protocol.

c) TCP - It is a connection oriented transport layer protocol.

d) UDP - It is a connectionless transport layer protocol.

SMTP is an application layer protocol used for sending e-mail, it is a connection oriented protocol, therefore it uses TCP at transport layer.

Therefore, SMTP in application layer uses TCP in transport layer for mail services.

4

GATE CSE 2008

MCQ (Single Correct Answer)
Which of the following system calls results in the sending of SYN packets?
A
socket
B
bind
C
listen
D
connect

Joint Entrance Examination

JEE Main JEE Advanced WB JEE

Graduate Aptitude Test in Engineering

GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN

Medical

NEET

CBSE

Class 12