A private network set up by an organization for employee use.

Understanding Computer Networks: Today and Tomorrow

Computer Science

This chapter explores the fundamental concepts of computer networks, including their definition, purpose, various applications, characteristics like topology and architecture, data transmission, networking media, protocols, standards, and hardware. It covers different types of networks from personal to wide area, as well as private network variations like intranets, extranets, and VPNs.

Networking Computer Systems Telecommunications

20 Questions Easy Ages 13+ Jan 8, 2026

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About this Study Set

This study set covers Computer Science through 20 practice questions. This chapter explores the fundamental concepts of computer networks, including their definition, purpose, various applications, characteristics like topology and architecture, data transmission, networking media, protocols, standards, and hardware. It covers different types of networks from personal to wide area, as well as private network variations like intranets, extranets, and VPNs. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 20 questions from the Understanding Computer Networks: Today and Tomorrow study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the primary purpose of a computer network?

A To connect individual devices without sharing resources
B To allow users to share hardware, software, and data, and communicate electronically
C To isolate computers from external communication
D To increase the processing speed of a single computer

2 Which of the following is NOT listed as a networking application in the text?

A The Internet
B Telephone service
C Personal banking software
D Television and radio broadcasting

3 What does GPS stand for and what is its primary function?

A Global Positioning System; determining geographic location
B General Processing System; managing computer tasks
C Geographic Protocol Suite; securing network data
D Global Performance Standard; measuring network speed

4 What type of network connects devices without physical cables, typically using radio waves?

A Wired network
B Bus network
C Wireless network
D Mesh network

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

A All devices are attached to a central cable.
B There are multiple connections between all devices.
C Each device is connected directly to several other devices via a host device.
D Devices are connected in a linear sequence.

6 What is the role of a 'client' in a client-server network architecture?

A The computer dedicated to processing client requests.
B A device that requests and utilizes network resources.
C A device that manages the entire network.
D A computer that provides shared software to other computers.

7 Which type of network connects devices located in a small geographic area?

A Personal Area Network (PAN)
B Wide Area Network (WAN)
C Metropolitan Area Network (MAN)
D Local Area Network (LAN)

8 What is an Intranet?

A A network accessible to authorized outsiders.
B A private network set up by an organization for employee use.
C A secure path over the Internet for remote access.
D A network connecting personal devices close together.

9 A network in which there are multiple connections between devices, allowing messages to take different paths, is known as a:

A Star network
B Bus network
C Mesh network
D Client-server network

10 What is the largest network in the world mentioned in the text?

A A Wide Area Network (WAN)
B The Internet
C A Metropolitan Area Network (MAN)
D A private intranet

11 Which type of network architecture has all computers at the same level, without dedicated servers?

A Client-server
B Peer-to-peer (P2P)
C Star
D Bus

12 What are 'nodes' in the context of network topology?

A The cables connecting devices
B The devices in the network
C The data being transmitted
D The network protocols

13 What is the purpose of a Virtual Private Network (VPN)?

A To create a physical connection between remote locations.
B To provide a secure path over the Internet for accessing a private network.
C To broadcast television signals wirelessly.
D To monitor the location of assets using RFID.

14 Which of the following is a type of wired networking medium?

A Radio waves
B Wi-Fi
C Fiber optic cables
D Bluetooth

15 What is 'placeshifting' content as mentioned in the context of multimedia networking?

A Storing multimedia content on a central server.
B Distributing multimedia content throughout a home network.
C Accessing home multimedia content from outside the home.
D Converting multimedia files to different formats.

16 What does 'Telemedicine' involve?

A Remote control of industrial robots.
B Providing medical information and services using networking technology.
C Simulating surgical procedures for training.
D Monitoring the status of vehicles in real-time.

17 A network that serves a metropolitan area such as a city or county is called a:

A LAN
B WAN
C MAN
D PAN

18 What is the primary characteristic of a bus network?

A Each device connects to a central hub.
B All devices are attached to a central cable.
C Devices have multiple direct connections to each other.
D It covers a very large geographic area.

19 Which of the following are types of mobile phones mentioned?

A Landline phones and cordless phones
B Cellular phones and satellite phones
C VoIP phones and feature phones
D Fax machines and pagers

20 What does an 'Extranet' allow?

A Unauthorized access to an organization's internal network.
B Employees to access external websites.
C Authorized outsiders to access at least part of an organization's intranet.
D Secure communication between two specific computers.

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