Computer Networks MCQ

 This set of Computer Networks Multiple Choice Questions & Answers (MCQs) focuses on “Basics – 1”.

1. The IETF standards documents are called ________
a) RFC
b) RCF
c) ID
d) DFC
View Answer

Answer: a
Explanation: RFC stands for Request For Comments and they are documents that describe methods, behaviors, research, or innovations applicable to the working of the Internet.

2. In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________
a) Added
b) Removed
c) Rearranged
d) Modified
View Answer

Answer: a
Explanation: Each layer adds its own header to the packet from the previous layer. For example, in the Internet layer, the IP header is added over the TCP header on the data packet that came from the transport layer.

3. The structure or format of data is called ___________
a) Syntax
b) Semantics
c) Struct
d) Formatting
View Answer

Answer: a
Explanation: The structure and format of data are defined using syntax. Semantics defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation. In programming languages, syntax of the instructions plays a vital role in designing of the program.

For reference: 

OSI Layer: