Computer Networks: MCQ

                                                    Computer Networks: MCQ

1 .Which of the statements below about HTTP is incorrect?

Select one:

a.  HTTP is basically a stateless protocol where the Web server does not maintain information about past requests from a client

b.  Cookies are used to maintain state at sender/receiver over multiple connections

c. If HTTP Version 1.1  is used,  connections between client and server are   non-persistent by default 

d. Compared to using a persistent connection,   a non-persistent connection  leads to more round trips between the client and server

2. The time difference between the  instant at which a transport connection is requested and the instant at which it is confirmed is called as ........

Select one:

a.  Protection delay

b. Transit delay

c. Priority delay

d. Connection establishment delay 

3. Among  the network topologies listed below, which  would be the preferred WAN design to implement for a company with  a hierarchical structure i.e. with main, regional and branch offices,  where information is exchanged  from main to regional to branch offices and vice-versa?

Select one:

a. Partial Mesh

b. Double-Ring

c. Ring

d. Tree 

4.  ......... is designed for the connectionless protocol such as User Datagram Protocol(UDP).

 Select one:

a. Raw socket

b. Datagram socket 

c. Berkeley socket

d. Stream socket

 5. What is the size of Urgent pointer in TCP segment

Select one:

a. 8 bits

b. 24 bits

c.  16 bits 

d.  32 bits

6. Error Control and Flow Control are responsibilities of

Select one:

a. data link and Transport Layer

b. data link and Physical Layer

c. Application and Presentation Layer

d.  data link and network Layers

7. What is the major application of UDP

Select one:

a.  Small office network

b.   Multimedia 

c.    Scheduling

d.    LAN communication

8. Which of the following is/are example(s) of stateful application layer protocols?
(i)  HTTP
(ii) FTP
(iii) TCP
(iv) POP3

Select one:

a. 2,4 

b. 1,3,4

c. 1,2,3

d. 2,3

9.  Which of the following statements regarding the Internet Structure is FALSE?

Select one:

a.   A Tier 3 or Local ISP may decide to be a direct customer of a  Tier 1 ISP

b.  A Tier 2 ISP cannot peer privately with one or more Tier-2 ISPs   

c.   A Tier 1 ISP  has a national or international coverage over a wide area, and has a network consisting of high end routers and  links with high bandwidth

d.   Each Tier 2 or Regional ISP is a customer of  one or more Tier 1 ISPs

10.  Sequence the following actions for the interaction between a web browser and a web server.

A. Browser requests a webpage using HTTP.
B. Browser establishes a TCP connection with the web server.
C. Server sends the requested webpage using HTTP.
D. Browser resolves the domain name using DNS.

Select one:

a. 2,3,4,1

b. 1,3,2,4

c. 1,2,3,4

d. 4,2,1,3