Computer Networks: Master the Basics with Interactive Quizzes

Question 1

Which of the following describes the arrangement of computers and devices in a network?

Accepted Answer

Network topology

Answer

Network protocol

Answer

Network cabling

Answer

Network security

Question 2

What is the primary function of a network protocol?

Accepted Answer

Establishing rules for data transmission over a network

Answer

Providing security for network traffic

Answer

Connecting different types of networks

Answer

Managing network resources

Question 3

Which network topology is known for its high reliability but requires extensive cabling?

Accepted Answer

Ring

Answer

Bus

Answer

Star

Question 4

What is the primary function of network protocols in computer communication?

Accepted Answer

To set guidelines for how data is exchanged between devices

Answer

To define the physical layout of a network

Answer

To link different kinds of networks together

Question 5

Which of the following is NOT a network topology?

Accepted Answer

VPN

Answer

Star

Answer

Bus

Answer

Ring

Question 6

Which network protocol is responsible for ensuring reliable data delivery?

Accepted Answer

TCP

Answer

IP

Answer

UDP

Answer

HTTP

Question 7

What is the primary function of a firewall?

Accepted Answer

To filter network traffic and prevent unauthorized access.

Answer

To encrypt data transmissions.

Answer

To route data packets.

Answer

To provide network access control.

Question 8

What is the main purpose of a network interface card (NIC)?

Accepted Answer

To connect a computer to a network

Answer

To provide a graphical user interface for network management

Answer

To store network configuration settings

Answer

To encrypt data transmissions

Question 9

Which of the following is NOT a characteristic of a WAN?

Accepted Answer

Typically connects individual computers

Answer

Covers a wide geographical area

Answer

Uses dedicated leased lines or satellite links

Answer

Has high bandwidth

Question 10

What is the primary purpose of a subnet mask?

Accepted Answer

To divide a network into smaller segments

Answer

To provide a default gateway for the network

Answer

To encrypt data transmissions

Answer

To configure network security settings

Question 11

Which of the following is NOT a topology used in constructing networks?

Accepted Answer

Parallel

Answer

Bus

Answer

Star

Answer

Ring

Question 12

What is the primary role of a network protocol?

Accepted Answer

To define the rules for transmitting data across a network

Answer

To connect different network devices

Answer

To manage and control network traffic

Answer

To protect network communications from unauthorized access

Question 13

Which type of network is typically used within a limited geographical area, such as a home or office setting?

Accepted Answer

LAN

Answer

WAN

Answer

MAN

Answer

PAN

Question 14

What is the primary function of a network adapter?

Accepted Answer

To connect a device to a network

Answer

To store data on a network

Answer

To process data packets

Answer

To provide network security

Question 15

What is the purpose of an IP address?

Accepted Answer

To uniquely identify a device on a network

Answer

To route data packets across a network

Answer

To provide network security

Answer

To store user information

Question 16

Which of the following is NOT a common type of network security threat?

Accepted Answer

Data backup

Answer

Malware

Answer

Phishing

Answer

Hacking

Question 17

What is the primary purpose of a firewall?

Accepted Answer

To prevent unauthorized access to a network

Answer

To detect and remove viruses

Answer

To improve network performance

Answer

To provide remote access to a network

Question 18

What is the fundamental difference between a peer-to-peer and a client-server network?

Accepted Answer

In a peer-to-peer network, all computers are平等的, while in a client-server network, there is a central server

Answer

In a client-server network, all computers are平等的, while in a peer-to-peer network, there is a central server

Answer

Peer-to-peer networks offer better security compared to client-server networks

Answer

There is no difference between peer-to-peer and client-server networks

Question 19

What type of network topology connects all devices to a central point?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 20

Which network protocol is used for addressing and routing data packets over the internet?

Accepted Answer

IP

Answer

TCP

Answer

UDP

Answer

HTTP

Question 21

What is the purpose of a network interface card?

Accepted Answer

To connect a computer to a network

Answer

To store data on a network

Answer

To manage network security

Answer

To provide wireless connectivity

Question 22

Which of the following is a characteristic of a wide area network?

Accepted Answer

Spans a large geographical area

Answer

Uses high-speed connections

Answer

Has low latency

Answer

Connects devices within a single building

Question 23

What is the key difference between TCP and UDP?

Accepted Answer

TCP is connection-oriented, UDP is connectionless

Answer

UDP is connection-oriented, TCP is connectionless

Answer

TCP is faster than UDP

Answer

UDP is more reliable than TCP

Question 24

What is the main purpose of a firewall in a computer network?

Accepted Answer

To block unauthorized network traffic

Answer

To enhance network performance

Answer

To provide network access control

Answer

To detect and remove malware

Question 25

Which of the following terms does NOT refer to a type of computer network?

Accepted Answer

Operating System

Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Metropolitan Area Network (MAN)

Question 26

In a star topology network, how are devices connected?

Accepted Answer

To a central hub

Answer

In a circular formation

Answer

Linearly, along a single cable

Answer

Directly to each other

Question 27

Which network protocol is used to assign unique addresses to devices and route data across the network?

Accepted Answer

Internet Protocol (IP)

Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

Hypertext Transfer Protocol (HTTP)

Question 28

Which device is responsible for directing network traffic and connecting multiple devices?

Accepted Answer

Router

Answer

Modem

Answer

Switch

Answer

Server

Question 29

What is the primary role of a firewall in a computer network?

Accepted Answer

To prevent unauthorized access and protect the network

Answer

To allow unrestricted data flow

Answer

To increase network speed and performance

Answer

To store and manage network data

Question 30

What type of network spans a large geographical area, connecting devices over long distances?

Accepted Answer

Wide Area Network (WAN)

Answer

Local Area Network (LAN)

Answer

Metropolitan Area Network (MAN)

Answer

Personal Area Network (PAN)

Question 31

Which network protocol is designed to operate without establishing a prior connection between devices?

Accepted Answer

User Datagram Protocol (UDP)

Answer

Transmission Control Protocol (TCP)

Answer

Internet Protocol (IP)

Answer

Secure Sockets Layer (SSL)

Question 32

What is the function of a network mask in IP addressing?

Accepted Answer

To identify the network portion of an IP address

Answer

To determine the host portion of an IP address

Answer

To calculate the subnet mask

Answer

To secure the network from unauthorized access

Question 33

Which of these is NOT a type of network topology commonly used in computer networks?

Accepted Answer

Triangle

Answer

Bus

Answer

Star

Answer

Ring

Question 34

What is the primary purpose of a network protocol in computer networks?

Accepted Answer

To define communication rules between devices on a network

Answer

To provide security for network transmissions

Answer

To assign IP addresses to devices on a network

Answer

To troubleshoot network issues if they arise

Question 35

Which of the following is a common network protocol specifically used for web browsing?

Accepted Answer

HTTP

Answer

TCP/IP

Answer

UDP

Answer

SMTP

Question 36

What does the acronym "LAN" commonly refer to in the context of computer networks?

Accepted Answer

Local Area Network

Answer

Wide Area Network

Answer

Metropolitan Area Network

Answer

Global Area Network

Question 37

What is the primary function of a network adapter in a computer network?

Accepted Answer

To connect a device to a network

Answer

To assign IP addresses to devices

Answer

To provide security to network transmissions

Answer

To troubleshoot network issues if they arise

Question 38

What is the primary purpose of a firewall in a computer network?

Accepted Answer

To block unauthorized access to a network

Answer

To monitor network traffic

Answer

To encrypt data transmissions

Answer

To provide a wireless connection

Question 39

What is the primary function of IP addresses on the internet?

Accepted Answer

Identifying and locating specific devices connected to the internet.

Answer

Storing and retrieving data from websites.

Answer

Translating domain names into IP addresses.

Answer

Controlling the flow of data across the internet.

Question 40

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

Accepted Answer

To determine the most efficient routes for data transmission across networks

Answer

To establish direct internet connections for individual devices

Answer

To assign unique IP addresses to devices on the network

Answer

To provide secure storage and management of data for multiple users

Question 41

In the TCP/IP model, which layer establishes and manages connections between devices?

Accepted Answer

Transport

Answer

Application

Answer

Internet

Question 42

In a star network topology, compared to a bus network topology, which advantage is present?

Accepted Answer

Simplified troubleshooting

Answer

Reduced cost

Answer

Increased data transfer speed

Question 43

How do the TCP and UDP network protocols differ in how they connect devices?

Accepted Answer

TCP establishes a dedicated connection, while UDP sends data without a connection.

Answer

TCP is faster at sending data than UDP.

Answer

UDP is more secure for sending data than TCP.

Answer

TCP sends small amounts of data, while UDP sends large amounts of data.

Question 44

Which of the following is a type of network topology in which all devices are connected to a central hub or switch?

Accepted Answer

Star

Answer

Mesh

Answer

Bus

Answer

Ring

Question 45

Which of the following is a primary function of a router?

Accepted Answer

Directing data packets between networks of different types

Answer

Storing and managing files

Answer

Transmitting data over wireless connections

Answer

Providing security for a network

Question 46

Which of the following is a widely used network protocol that defines how data is transmitted over the internet?

Accepted Answer

TCP/IP

Answer

HTTP

Answer

Bluetooth

Answer

Ethernet

Question 47

What is the primary purpose of a network interface card (NIC)?

Accepted Answer

To enable a computer to connect to a network

Answer

To process user input

Answer

To control the power supply to a computer

Answer

To store data on a hard drive

Question 48

Which of the following is a primary advantage of using a computer network?

Accepted Answer

Sharing resources such as files, printers, and internet access

Answer

Reduced cost of computing

Answer

Slower performance compared to standalone computers

Answer

Increased security risks

Question 49

What is the key difference between a Local Area Network (LAN) and a Wide Area Network (WAN)?

Accepted Answer

LANs are typically confined to a small geographic area, while WANs span larger distances

Answer

LANs use wired connections, while WANs use wireless connections

Answer

LANs are used for personal use, while WANs are used for business purposes

Question 50

Which of the following is a potential security risk associated with computer networks?

Accepted Answer

Malware attacks

Answer

Hardware failures

Answer

Power outages

Answer

Natural disasters

Question 51

What is the primary purpose of a firewall in a computer network?

Accepted Answer

To monitor and control incoming and outgoing network traffic

Answer

To provide a wireless connection to the internet

Answer

To store data securely

Question 52

Which of the following is considered a best practice for maintaining network security?

Accepted Answer

Using strong passwords

Answer

Disabling automatic software updates

Answer

Leaving devices connected to public Wi-Fi networks

Answer

Downloading software from untrustworthy sources