Computer Network | Questions and Answers


Computer Network | Mock Test

Question 1
Collaborative Web and Semantic Web are also referred as:
Select one:
a. Both Web 3.0
b. Web 2.0 and Web 3.0 respectively
c. Both Web 2.0
d. Web 1.0 and Web 2.0 respectively

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The correct answer is: Web 2.0 and Web 3.0 respectively
Question 2
Which of the following statements regarding network devices is incorrect?
Select one:
a. Switches may operate both at the data link and the network layer
b. Bridges operate at the data link layer
c. Repeaters operate at the physical layer
d. Hubs operate at the data link layer
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The correct answer is: Hubs operate at the data link layer
Question 3
Which of the following is/are example(s) of stateful application layer protocols?
(i) HTTP
(ii) FTP
(iii) TCP
(iv) POP3
Select one:
a. 1,2,3
b. 2,4
c. 1,3,4
d. 2,3
Feedback
The correct answer is: 2,4
Question 4
What is the header size of the UDP packet format
Select one:
a. 24 bits
b. 8 bytes
c. 32 bits
d. 16 bytes
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The correct answer is: 8 bytes
Question 5
Which of the following are the protocol data units at the Application and Network Layer respectively?
Select one:
a. Packet, Segment
b. Message, Segment
c. Segment, Packet
d. Message, Packet
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The correct answer is: Message, Packet
Question 6
Which of the statements below does not apply to Circuit Switched Networks?
Select one:
a. Dedicated resources used for transmission from source to destination
b. A call set up is required before the data can be sent from the source to the destination
c. Once a particular call has been set up between the source and destination, data fragmented at the routers can be sent along different paths to the destination
d. Can be implemented using Time Domain Multiplexing as well as Frequency Domain Multiplexing
Feedback
The correct answer is: Once a particular call has been set up between the source and destination, data fragmented at the routers can be sent along different paths to the destination
Question 7
An organization’s LAN that connects the end systems of the users to the edge router is part of :
Select one:
A. Network Edge Laye
B. Network Core Layer
C. Network Access Layer
D. None
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The correct answer is: Network Access Layer
Question 8
Which of the status codes is returned as part of the HTTP Response if the requested content on the server is unchanged?
Select one:
304
301
306
302
Feedback
The correct answer is: 304
Question 9
In a TCP connection between a sender and receiver, which variables are maintained by the sender and receiver, respectively, for flow control?
Select one:
a. Sender: LastByteRead, LastByteRcvd; Receiver: LastByteSent, LastByteAcked
b. Sender: LastByteSent, LastByteAcked; Receiver: LastByteRead, LastByteRcvd
c. Sender: LastByteSent, LastByteRcvd; Receiver: LastByteRead, LastByteAcked
d. Sender: LastByteRead, LastByteAcked; Receiver: LastByteSent, LastByteRcvd
Feedback
The correct answer is: Sender: LastByteSent, LastByteAcked; Receiver: LastByteRead, LastByteRcvd
Question 10
Which of the statements below about HTTP is incorrect?
Select one:
a. Compared to using a persistent connection, a non-persistent connection leads to more round trips between the client and server
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. HTTP is basically a stateless protocol where the Web server does not maintain information about past requests from a client
Feedback
The correct answer is: If HTTP Version 1.1 is used, connections between client and server are non-persistent by default

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