Chapter 6: Network Part 1

Question 1

Which protocol is primarily responsible for ensuring reliable, ordered data transmission between applications?

Answer 1

c) TCP

Question 2

IPv6 addresses are significantly longer than IPv4 addresses because they use a:

Answer 2

d) 128-bit address scheme

Question 3

A network administrator wants to send a quick, low-latency message across the network, even if some data loss is acceptable. Which protocol should they use?

Answer 3

d) UDP

Question 4

Which protocol is the foundation of communication for the World Wide Web?

Answer 4

c) HTTP

Question 5

You need to transfer a large file from your computer to a server. Which protocol would be most appropriate?

Answer 5

c) FTP

Question 6

Which protocol is used to send email messages between mail servers?

Answer 6

c) SMTP

Question 7

DHCP is primarily used for:

Answer 7

c) Automatically assigning IP addresses

Question 8

Which protocol translates domain names (like google.com) into IP addresses?

Answer 8

d) DNS

Question 9

In the OSI model, which layer is responsible for ensuring reliable end-to-end data delivery?

Answer 9

c) Transport Layer

Question 10

The Presentation layer in the OSI model primarily deals with:

Answer 10

b) Data formatting and encryption

Question 11

Which layer of the OSI model defines the electrical and physical specifications of the network?

Answer 11

c) Physical Layer

Question 12

In the TCP/IP model, which layer is equivalent to the OSI Network Layer?

Answer 12

c) Internet Layer

Question 13

The TCP/IP model’s Application Layer encompasses which OSI layers?

Answer 13

c) Layers 5, 6, and 7

Question 14

The Network Access Layer in the TCP/IP model combines functionalities from which OSI layers?

Answer 14

c) Layers 1 and 2

Question 15

What is the primary difference between TCP and UDP?

Answer 15

c) TCP is connection-oriented, UDP is connectionless.

Question 16

Which protocol would be least suitable for streaming live video?

Answer 16

b) TCP

Question 17

A 32-bit IP address is associated with which version of the IP protocol?

Answer 17

b) IPv4

Question 18

Which layer of the OSI model handles error detection and correction?

Answer 18

b) Data Link Layer

Question 19

The Session layer in the OSI model is responsible for:

Answer 19

b) Managing communication sessions between applications

Question 20

Which protocol is NOT directly involved in email transmission?

Answer 20

c) FTP

Question 21

What is the main purpose of the Transport Layer in the OSI model?

Answer 21

b) End-to-end data delivery and reliability

Question 22

A website’s address (e.g., www.example.com) is a:

Answer 22

c) Domain name

Question 23

Which of these protocols is most likely to use port 80?

Answer 23

c) HTTP

Question 24

Which layer of the OSI model is concerned with the physical cabling and connectors?

Answer 24

b) Physical Layer

Question 25

The process of converting a domain name to an IP address is called:

Answer 25

b) DNS lookup