Networks and the Internet: Interactive Learning Quizzes for Year 11 Computing

Question 1

What is a key feature of a computer network?

Accepted Answer

Allows users to share resources

Answer

Uses only wireless connections

Answer

Connects only computers

Answer

Needs a central server to work

Question 2

In a network, which topology features a central node that connects to multiple other nodes?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 3

Which network protocol is used specifically for sending emails over the Internet?

Accepted Answer

SMTP

Answer

HTTP

Answer

FTP

Answer

DNS

Question 4

In the TCP/IP model, which layer ensures reliable data delivery between devices?

Accepted Answer

Transport

Answer

Network

Answer

Application

Answer

Session

Question 5

In a network, what is a key drawback of having multiple paths for data transmission?

Accepted Answer

Increased complexity and expense of network management

Answer

Enhanced reliability

Answer

Lower latency

Answer

Improved security

Question 6

In a bus network topology, which of the following is true?

Accepted Answer

Devices connect to a central hub.

Answer

Data flows in only one direction.

Answer

Data is passed using a token.

Answer

It is a highly reliable and fault-tolerant topology.

Question 7

What is the best description of the Internet's structure?

Accepted Answer

A collection of networks using the same set of protocols.

Answer

A single, physical network connecting all computers and devices.

Answer

A network controlled by a single organization.

Answer

A network used only for sending and receiving email.

Question 8

Which protocol is used to transfer web pages across the internet?

Accepted Answer

HTTP

Answer

DNS

Answer

TCP

Answer

HTML

Question 9

What is the defining characteristic of a Local Area Network (LAN)?

Accepted Answer

Primarily connects devices within a limited area, such as a home or office.

Answer

Connects devices across great distances.

Answer

Uses slower data transfer methods than other network types.

Answer

Highly vulnerable to security breaches due to its limited scope.

Question 10

Which layer is NOT included in the TCP/IP model?

Accepted Answer

Physical

Answer

Application

Answer

Transport

Answer

Network

Question 11

To uniquely identify a device on the Internet using the Internet Protocol (IP), which of these is essential?

Accepted Answer

IP addresses

Answer

Port numbers

Answer

MAC addresses

Answer

Domain names

Question 12

Which layer is not part of the TCP/IP model?

Accepted Answer

Data Link

Answer

Application

Answer

Transport

Answer

Network

Question 13

In a network topology, devices are organized in a specific pattern to communicate. Which of the following is NOT a common type of network topology?

Accepted Answer

Daisy Chain

Answer

Bus

Answer

Star

Answer

Ring

Question 14

In the TCP/IP model, which layer is responsible for data transfer between devices?

Accepted Answer

Transport

Answer

Application

Answer

Network

Answer

Session

Question 15

What is the main purpose of the Domain Name System (DNS)?

Accepted Answer

Converts domain names into IP addresses

Answer

Stores website data

Answer

Handles email services

Answer

Converts IP addresses into domain names

Question 16

Which network topology is NOT listed here?

Accepted Answer

Daisy chain

Answer

Bus

Answer

Star

Answer

Mesh

Question 17

Within a computer network, what is the primary function of the Transmission Control Protocol (TCP)?

Accepted Answer

Ensuring reliable and accurate data delivery across the network

Answer

Managing the direct transmission of data between devices

Answer

Providing secure encrypted connections between devices on the network

Answer

Translating domain names into their corresponding IP addresses

Question 18

Which layer is NOT part of the TCP/IP model?

Accepted Answer

Physical Layer

Answer

Application Layer

Answer

Transport Layer

Answer

Network Layer

Question 19

What is the main purpose of the Domain Name System (DNS)?

Accepted Answer

Translating domain names into IP addresses

Answer

Assigning IP addresses to websites

Answer

Storing website content

Answer

Managing email routing

Question 20

Which layer is NOT part of the TCP/IP model?

Accepted Answer

Session

Answer

Application

Answer

Transport

Answer

Network

Question 21

In the TCP/IP model, which layer is responsible for ensuring reliable and efficient data transmission?

Accepted Answer

Transport

Answer

Application

Answer

Internet

Question 22

Which layer is NOT part of the TCP/IP model?

Accepted Answer

Physical

Answer

Application

Answer

Transport

Answer

Network

Question 23

Which of the following is NOT a common security measure used to prevent unauthorized access to computer networks?

Accepted Answer

Leaving network resources unprotected

Answer

Encryption

Answer

Firewalls

Answer

Intrusion Detection Systems (IDS)

Question 24

Which network protocol is designed to ensure reliable data transfer by establishing connections, maintaining them, and correcting errors during transmission?

Accepted Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Question 25

In the TCP/IP model, which layer is responsible for routing data packets between networks?

Accepted Answer

Network

Answer

Application

Answer

Transport

Answer

Data Link

Question 26

In the TCP/IP model, which layer handles the routing of packets between computers?

Accepted Answer

Network

Answer

Application

Answer

Transport

Answer

Physical

Question 27

Which characteristic does NOT apply to a Wide Area Network (WAN)?

Accepted Answer

Links devices within a single building or campus

Answer

Covers a wide geographical area

Answer

Employs leased lines or satellite connections

Answer

Grants access to resources beyond the local network

Question 28

In a mesh network, how do devices connect, and what's a key benefit of this setup?

Accepted Answer

Devices connect directly to multiple others, creating multiple paths for data and boosting reliability.

Answer

Devices connect to a central hub and communicate indirectly, increasing redundancy and fault tolerance.

Answer

Devices connect in a loop, with each linked to only two others, and data passes sequentially to reach its destination.

Answer

Devices connect to a shared bus that transmits data in both directions, and each device has equal access to the medium, reducing collision risks.

Question 29

In the TCP/IP model, which layer ensures the reliable and sequential delivery of data from the source to the destination?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Answer

Data Link Layer

Question 30

Which metric measures the efficiency of data transfer in computer networks?

Accepted Answer

Throughput

Answer

Latency

Answer

Packet Loss

Question 31

Which of the following is a defining characteristic of the Internet?

Accepted Answer

Use of the TCP/IP protocol suite

Answer

Centralized control by a single authority

Answer

Primary focus on academic research and education

Question 32

Which network security measure actively monitors and controls network traffic to prevent unauthorized access?

Accepted Answer

Firewall

Answer

Encryption

Answer

Anti-virus software

Question 33

In the TCP/IP model, which layer is tasked with setting up and managing connections between devices?

Accepted Answer

Transport

Answer

Application

Answer

Network

Question 34

In the TCP/IP protocol stack, which protocol assigns unique numerical labels (IP addresses) to devices on the Internet?

Accepted Answer

IP

Answer

HTTP

Answer

TCP

Answer

DNS

Question 35

Which layer is NOT part of the TCP/IP protocol stack?

Accepted Answer

ARP

Answer

Application

Answer

Transport

Answer

Network

Question 36

Which of the following is a **disadvantage** of cloud computing?

Accepted Answer

Increased cybersecurity risks

Answer

Reduced IT infrastructure costs

Answer

Improved scalability and flexibility

Answer

Enhanced collaboration and data accessibility

Question 37

Which of the following is a key characteristic of the Internet?

Accepted Answer

A collection of interconnected networks using common protocols

Answer

A centralized network controlled by a single entity

Answer

A closed system accessible only to authorized users

Answer

A peer-to-peer network where all computers are equal

Question 38

A small business needs a network that connects 20 computers to the internet and to each other, and lets them share a printer. Which network design would meet these requirements?

Accepted Answer

Star topology with a router, a switch, and Ethernet cables

Answer

Bus topology with a router, a switch, and Ethernet cables

Answer

Ring topology with a router, a hub, and coaxial cables

Question 39

Which type of network connects devices over a wide geographic area, such as different cities or countries?

Accepted Answer

Wide Area Network (WAN)

Answer

Local Area Network (LAN)

Answer

Personal Area Network (PAN)

Answer

Metropolitan Area Network (MAN)

Question 40

Which protocol is responsible for assigning unique numerical addresses (IP addresses) to devices on a network?

Accepted Answer

Internet Protocol (IP)

Answer

Transmission Control Protocol (TCP)

Answer

Hypertext Transfer Protocol (HTTP)

Answer

Secure Socket Layer (SSL)

Question 41

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

Accepted Answer

To prevent unauthorized access to the network

Answer

To connect devices within a network

Answer

To route data packets efficiently

Answer

To provide encryption for network communications

Question 42

What is a key role of the Domain Name System (DNS)?

Accepted Answer

Translating user-friendly domain names (e.g., google.com) into numerical IP addresses for computers

Answer

Routing data packets across networks

Answer

Providing secure connections for online transactions

Answer

Storing user passwords for websites

Question 43

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

Accepted Answer

Peer-to-peer networks do not have a central authority or server

Answer

Peer-to-peer networks are more secure than client-server networks

Answer

Client-server networks are more scalable than peer-to-peer networks

Answer

Client-server networks are typically used in home environments

Question 44

Which of the following is an example of an application layer protocol?

Accepted Answer

HTTP

Answer

TCP

Answer

IP

Answer

UDP

Question 45

What is a primary purpose of a web server?

Accepted Answer

To host and deliver websites and web content to users

Answer

To route data packets between different networks

Answer

To provide encryption for secure online transactions

Answer

To store and manage user data

Question 46

Which network application is specifically designed for e-commerce?

Accepted Answer

Shopping cart

Answer

Web browser

Answer

Email client

Answer

File transfer protocol (FTP)

Question 47

What does the acronym DNS stand for?

Accepted Answer

Domain Name System

Answer

Dynamic Network Server

Answer

Data Network System

Answer

Department of Network Services

Question 48

Computer networks bring both benefits and challenges to society. Discuss the ethical and social implications of computer networks, including concerns such as privacy, data security, and the digital divide.

Accepted Answer

Computer networks raise ethical concerns related to privacy and data security, as well as social issues like the digital divide.

Answer

Computer networks only have positive impacts on society, with no ethical or social concerns.

Answer

Ethical and social implications are not relevant to discussions about computer networks.

Answer

The digital divide is not related to computer networks.

Question 49

What is the fundamental role of a network protocol?

Accepted Answer

To define the structure and format of data transmitted over a network

Answer

To manage the flow and transmission of data across a network

Answer

To safeguard data and network resources from unauthorized access

Answer

To connect and facilitate communication between diverse devices on a network

Question 50

In the TCP/IP model, which layer is responsible for directing data packets through a network?

Accepted Answer

Network layer

Answer

Application layer

Answer

Transport layer

Answer

Data link layer

Question 51

In a network setup, what is the primary function of a firewall?

Accepted Answer

To prevent unauthorized access to a network system

Answer

To enhance the speed and performance of network operations

Answer

To convert network addresses for efficient communication

Answer

To encrypt data transmitted over a network for security

Question 52

Which of the following is NOT an advantage of utilizing cloud-based networks?

Accepted Answer

Total control over the infrastructure of the network

Answer

Increased adaptability and scalability

Answer

Reduced hardware expenses

Answer

Enhanced data security

Question 53

Explain the distinction between a modem and a router in a network setup:

Accepted Answer

A modem connects a device to the internet, while a router connects multiple devices to a network

Answer

A modem converts analog signals to digital signals, while a router does the opposite

Answer

A modem is used for wired connections, while a router is used for wireless connections

Answer

A modem is a type of router with additional capabilities

Question 54

What is the primary purpose of a domain name system (DNS) in a network?

Accepted Answer

To translate domain names into their corresponding IP addresses

Answer

To handle email communication and services

Answer

To direct and manage network traffic flow

Answer

To store and manage website content

Question 55

Describe the primary responsibilities of a network administrator:

Accepted Answer

Design, implementation, and management of computer networks

Answer

Installation of software on user devices

Answer

Provision of technical support to network users

Answer

Development and implementation of network protocols

Question 56

Which network security attack aims to flood a network or server with excessive traffic, rendering it inaccessible to authorized users?

Accepted Answer

Denial of service

Answer

Malware

Answer

Phishing

Answer

Load balancing

Question 57

Which of the following is NOT an advantage of using simulations and modeling tools to study computer networks?

Accepted Answer

Completely replacing the need for physical network equipment

Answer

Providing a deeper understanding of network concepts

Answer

Allowing experimentation with different network configurations

Answer

Identifying potential errors and problems

Question 58

Which of the following is a potential drawback of using network virtualization technologies in cloud and data center environments?

Accepted Answer

Increased network complexity

Answer

Improved network flexibility

Answer

Reduced hardware costs

Question 59

Which of the following is NOT a network security measure?

Accepted Answer

Load balancing

Answer

Firewalls

Answer

Encryption

Answer

Anti-virus software

Question 60

Which of the following is a potential drawback of cloud computing for businesses?

Accepted Answer

Loss of control

Answer

Reduced costs

Answer

Increased flexibility

Answer

Improved security

Question 61

What is the main function of a Network Management System (NMS)?

Accepted Answer

Remotely manage network devices like routers and switches.

Answer

Provide internet access to users.

Answer

Protect the network from cyber threats.

Answer

Allow users to browse the web.

Question 62

Which network performance metric measures the average time taken for data to travel from its source to its destination?

Accepted Answer

Latency

Answer

Throughput

Answer

Packet Loss

Question 63

What is a potential drawback of cloud computing for businesses?

Accepted Answer

Increased security risks

Answer

Increased scalability

Answer

Significant cost savings

Answer

Enhanced collaboration

Question 64

In a network connection, what is the primary function of a modem?

Accepted Answer

Converting digital signals into analog signals to facilitate transmission over analog channels

Answer

To convert analog signals into digital signals