Computer Networks: A Comprehensive Guide for Eighth Graders

Question 1

What is the designation of a network that connects devices within a limited geographical area?

Accepted Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Metropolitan Area Network (MAN)

Answer

Campus Area Network (CAN)

Question 2

Which device is used to establish connections between different segments of a network?

Accepted Answer

Router

Answer

Switch

Answer

Gateway

Answer

Modem

Question 3

Select the protocol responsible for data transmission over the internet.

Accepted Answer

Internet Protocol (IP)

Answer

Transmission Control Protocol (TCP)

Answer

Hypertext Transfer Protocol (HTTP)

Answer

Hypertext Transfer Protocol Secure (HTTPS)

Question 4

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

Accepted Answer

To uniquely identify a network interface card

Answer

To establish a connection to a Wi-Fi network

Answer

To grant access to the internet

Answer

To facilitate email transmission

Question 5

Distinguish between a router and a switch based on their functions in a network.

Accepted Answer

A router connects different networks, whereas a switch connects devices within a network

Answer

A switch connects different networks, whereas a router connects devices within a network

Answer

They perform identical functions

Answer

They both provide internet connectivity to devices

Question 6

In which network topology are all devices connected to a central hub?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 7

Which type of network is commonly used to connect devices within a confined physical area, like a home or office building?

Accepted Answer

Local Area Network (LAN)

Answer

Metropolitan Area Network (MAN)

Answer

Wide Area Network (WAN)

Answer

Virtual Private Network (VPN)

Question 8

Within a restricted geographic area like a home or office, which network connects computers?

Accepted Answer

LAN

Answer

WAN

Answer

MAN

Answer

PAN

Question 9

Which network protocol allows web browsers and servers to communicate?

Accepted Answer

HTTP

Answer

TCP

Answer

UDP

Answer

FTP

Question 10

What does a firewall accomplish in a computer network?

Accepted Answer

Prevents unauthorized access

Answer

Enhances network speed

Answer

Connects different network segments

Answer

Troubleshoots network problems

Question 11

Which primary function does a router perform in a computer network?

Accepted Answer

Sends data packets across different networks

Answer

Links devices within a network

Answer

Provides internet access

Answer

Protects the network from viruses

Question 12

Which of these is NOT an advantage of using a wireless network?

Accepted Answer

Increased security

Answer

Enhanced mobility

Answer

Cost savings on cabling

Answer

Extensive coverage

Question 13

Which network protocol is responsible for transferring emails?

Accepted Answer

SMTP

Answer

FTP

Answer

TCP

Answer

UDP

Question 14

What is the purpose of a Wide Area Network (WAN)?

Accepted Answer

Connect devices over extensive distances

Answer

Connect devices within a limited area

Answer

Provide internet access to users

Answer

Control access to network resources

Question 15

Which device is used to connect computers within a network?

Accepted Answer

Switch

Answer

Modem

Answer

Router

Answer

Server

Question 16

What is the primary function of a network protocol?

Accepted Answer

Define how data is organized and transmitted

Answer

Control access to network resources

Answer

Protect network traffic from threats

Answer

Store data on a network device

Question 17

What is the primary function of a domain name system (DNS)?

Accepted Answer

Translate domain names into IP addresses

Answer

Provide email services

Answer

Store website data

Answer

Manage network traffic

Question 18

In a LAN (Local Area Network), computers are connected within a limited geographical area such as a home, school, or office building. True or False?

Accepted Answer

True

Answer

False

Question 19

Which of the following devices is used to connect different network segments and route traffic between them?

Accepted Answer

Router

Answer

Server

Answer

Modem

Answer

Switch

Question 20

Which of the following is an example of a wide area network (WAN)?

Accepted Answer

Internet

Answer

School LAN

Answer

Home Network

Answer

Bluetooth Connection

Question 21

Which network topology provides a central connection point for all devices and allows for easy addition and removal of devices?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 22

A network interface card (NIC) is used primarily for:

Accepted Answer

Connecting a computer to a network

Answer

Storing data on a network

Answer

Providing internet access

Answer

Translating network protocols

Question 23

Which protocol is responsible for assigning unique IP addresses to devices connected to a network?

Accepted Answer

DHCP

Answer

HTTP

Answer

DNS

Answer

HTTPS

Question 24

What is the primary function of a network interface card (NIC) in a computer?

Accepted Answer

To connect the computer to a network using a wired connection

Answer

To store and retrieve data on a network

Answer

To provide internet access to the computer

Answer

To control the flow of data on a network

Question 25

Which type of network covers the most extensive geographical area?

Accepted Answer

WAN

Answer

LAN

Answer

MAN

Answer

PAN

Question 26

What is the purpose of a router in a network?

Accepted Answer

To manage the flow of data between different networks

Answer

To physically connect different network devices

Answer

To convert data into different formats

Answer

To store user data securely

Question 27

What is the key difference between a client and a server on a network?

Accepted Answer

Clients request data, while servers provide it

Answer

Clients provide data, while servers request it

Answer

Clients and servers perform identical functions

Answer

Clients are always connected to servers, while servers may not always be connected to clients

Question 28

What is the primary distinction between a LAN and a WAN?

Accepted Answer

LANs are smaller and cover a shorter distance, while WANs are larger and cover a greater distance

Answer

WANs are faster than LANs

Answer

LANs are more secure than WANs

Answer

WANs require wireless connections, while LANs do not

Question 29

Which of the following is NOT a type of computer network?

Accepted Answer

Regional Area Network (RAN)

Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Metropolitan Area Network (MAN)

Question 30

In a star network topology, how are the devices connected?

Accepted Answer

To a central hub

Answer

In a linear chain

Answer

In a loop

Answer

Directly to each other

Question 31

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

Accepted Answer

To control network traffic

Answer

To establish connections between devices

Answer

To store and manage data

Answer

To provide access to the internet

Question 32

Which of the following is NOT a hardware component commonly found in a computer network?

Accepted Answer

Operating System

Answer

Router

Answer

Switch

Answer

Server

Question 33

What's the primary goal of network security?

Accepted Answer

Safeguarding data and networks

Answer

Boosting network performance

Answer

Simplifying network upkeep

Answer

Cutting hardware costs

Question 34

What is NOT a main reason for using a computer network?

Accepted Answer

Playing games

Answer

Sharing files and information

Answer

Sending messages

Answer

Accessing the internet

Question 35

In which network topology is each computer directly connected to a central hub?

Accepted Answer

Star Topology

Answer

Bus Topology

Answer

Ring Topology

Answer

Mesh Topology

Question 36

Which type of network is typically used to connect computers within a limited area, like a home or office?

Accepted Answer

LAN (Local Area Network)

Answer

WAN (Wide Area Network)

Answer

MAN (Metropolitan Area Network)

Answer

VPN (Virtual Private Network)

Question 37

Which type of computer network is designed to connect devices and computers within a limited physical space, like a home or office?

Accepted Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Metropolitan Area Network (MAN)

Answer

Global Area Network (GAN)

Question 38

In a star network topology, how are computers connected?

Accepted Answer

To a central hub

Answer

Directly to the internet

Answer

To a mesh of interconnected devices

Answer

To each other in a ring

Question 39

What type of network connects computers within a limited physical area, like a home or business?

Accepted Answer

LAN (Local Area Network)

Answer

MAN (Metropolitan Area Network)

Answer

WAN (Wide Area Network)

Answer

Internet

Question 40

What is the primary function of a network router?

Accepted Answer

To forward data packets between networks

Answer

To store data

Answer

To provide security

Answer

To connect to the internet

Question 41

Which security measure restricts unauthorized access to a network?

Accepted Answer

Firewall

Answer

Antivirus software

Answer

Spam filtering

Answer

Encryption

Question 42

What organization is responsible for assigning unique IP addresses to devices on the internet?

Accepted Answer

ICANN (Internet Corporation for Assigned Names and Numbers)

Answer

IEEE (Institute of Electrical and Electronics Engineers)

Answer

ISO (International Organization for Standardization)

Question 43

Which type of cloud computing service provides access to software and applications over the internet?

Accepted Answer

SaaS (Software as a Service)

Answer

IaaS (Infrastructure as a Service)

Answer

PaaS (Platform as a Service)

Answer

FaaS (Function as a Service)

Question 44

What technology allows devices to wirelessly share an internet connection?

Accepted Answer

Wi-Fi (Wireless Fidelity)

Answer

Bluetooth

Answer

Ethernet

Answer

NFC (Near Field Communication)

Question 45

Which network performance metric measures the delay in data transmission?

Accepted Answer

Latency

Answer

Packet loss

Answer

Bandwidth

Answer

Throughput

Question 46

What device converts analog signals into digital signals for network transmission?

Accepted Answer

Modem (modulator-demodulator)

Answer

Firewall

Answer

Switch

Answer

Router