Computer Networks: Master the Fundamentals with Interactive Quizzes

Question 1

Which network segmentation technique involves dividing a large network into smaller subnetworks with distinct IP address ranges?

Accepted Answer

Subnetting

Answer

Bridging

Answer

Routing

Answer

Switching

Question 2

In the TCP/IP model, which layer is responsible for ensuring reliable data transfer and connection management?

Accepted Answer

Transport

Answer

Application

Answer

Network

Answer

Data Link

Question 3

Which security mechanism encrypts data transmissions to protect against eavesdropping and unauthorized access?

Accepted Answer

Encryption

Answer

Firewalls

Answer

Intrusion detection systems

Answer

Virtual private networks

Question 4

At which layer of the TCP/IP model does the World Wide Web (WWW) primarily operate?

Accepted Answer

Application

Answer

Transport

Answer

Network

Answer

Data Link

Question 5

A network that interconnects multiple local area networks (LANs) over a wider geographical region is classified as a:

Accepted Answer

WAN

Answer

LAN

Answer

MAN

Answer

VPN

Question 6

Which network management tool is commonly used to analyze network traffic and identify potential issues?

Accepted Answer

Wireshark

Answer

Ping

Answer

Traceroute

Answer

Nmap

Question 7

What is the primary function of the Transport Layer in the TCP/IP model?

Accepted Answer

To provide error control and flow control

Answer

To establish and maintain network connections

Answer

To handle data encryption and decryption

Answer

To route data packets through the network

Question 8

Which network application utilizes the File Transfer Protocol (FTP)?

Accepted Answer

File sharing

Answer

Web browsing

Answer

Email

Answer

Video streaming

Question 9

What is the main purpose of a MAC address in a network?

Accepted Answer

To identify a specific network interface

Answer

To route traffic between different networks

Answer

To assign IP addresses to devices

Answer

To establish network connections

Question 10

What is the intended purpose of subnetting?

Accepted Answer

To expand the number of IP addresses available on a network

Answer

To enhance network performance

Answer

To improve network security measures

Answer

To simplify network management tasks

Question 11

Which of the following is NOT a valid network topology?

Accepted Answer

Half-duplex

Answer

Bus

Answer

Star

Answer

Ring

Question 12

Which application layer protocol is specifically designed for sending and receiving email messages?

Accepted Answer

SMTP

Answer

FTP

Answer

DNS

Answer

Telnet

Question 13

What is the primary purpose of a Media Access Control (MAC) address?

Accepted Answer

To uniquely identify devices on a network

Answer

To determine the network protocol used by a device

Answer

To route network traffic between different subnets

Answer

To provide encryption for network communications

Question 14

What is the function of a router in a computer network?

Accepted Answer

To connect different networks and forward data packets

Answer

To provide Internet access to devices on a network

Answer

To translate domain names into IP addresses

Answer

To encrypt network traffic

Question 15

Which of the following is a characteristic of a wireless network?

Accepted Answer

Data is transmitted using electromagnetic waves

Answer

Requires a direct physical connection between devices

Answer

Offers higher security compared to wired networks

Answer

Has unlimited range

Question 16

What is the primary responsibility of a network operating system (NOS)?

Accepted Answer

To manage and control network resources

Answer

To provide a graphical interface for network configuration

Answer

To establish network connections between devices

Answer

To safeguard networks from malicious threats

Question 17

What is the primary function of a firewall in a network security system?

Accepted Answer

To block unauthorized access to the network

Answer

To encrypt network traffic

Answer

To provide network redundancy

Answer

To enhance network performance

Question 18

In a Star network topology, devices are connected to a central hub. True or False?

Accepted Answer

True

Answer

False

Question 19

Which layer of the TCP/IP model is responsible for providing reliable data transfer?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Question 20

Which protocol establishes and maintains connections between devices on a network?

Accepted Answer

TCP

Answer

UDP

Answer

HTTP

Question 21

Firewalls are network security devices that:

Accepted Answer

Protect the network from unauthorized access

Answer

Store network data

Answer

Enhance network performance

Question 22

What is the purpose of an IP address in a computer network?

Accepted Answer

To uniquely identify devices on the network

Answer

To manage network traffic

Answer

To provide network security

Question 23

What is the primary function of the Domain Name System (DNS)?

Accepted Answer

Translates domain names into IP addresses

Answer

Manages network traffic

Answer

Provides email services