WorksheetsUnit 9.3 - Networks
Total questions: 34
Worksheet time: 43mins
Fill in the blank: A (a) is two or more computers connected together.
One benefit of using a network is (a) . For example, networks allow computers to send messages, (b) and video calls very quickly around the world.
Another benefit of using a network is (a) . For example, networks allow computers to store data online so it can be (b) using any device.
Fill in the blank: A ______ covers a small geographical area, such as a school network.
Local Area Network
Wide Area Network
Metropolitan Area Network
Personal Area Network
Fill in the blank: A ______ covers a large geographical area, like the Internet.
Large Area Network
Local Area Network
Personal Area Network
Wide Area Network
Which term describes a set of rules that computers on a network use to communicate with one another?
Database
Algorithm
Protocol
Interface
Name one protocol used for an email address?
Must contain spaces
Must include an @ symbol
Can't be unique
Must include numbers and letters
Name one protocol used for a web address?
Must contain spaces
Must include an @ symbol
Start with http or https
Must include numbers and letters
Name the hardware device labelled A?
Router
Switch / Hub
Server
Modem
Name the hardware device labelled B?
Router
Switch / Hub
Server
Modem
Name the hardware device labelled C?
Router
Switch / Hub
Server
Modem
Name the common network cable used to connect devices in a network.
(a)
Describe the purpose of a server?
Identify the purpose of a Hub / Switch?
Connect multiple devices in a Local Area Network
Identify the purpose of a Router?
Used to amplify Wi-Fi signals.
Used for storing data files.
Connect different networks together. For example, a LAN to the Internet.
A router connects devices on a Local Area Network.
Describe the difference between a Hub and a Switch?
Which statements relate to wireless and wired networks?
Allows portability
Less secure
Higher Bandwidth
More difficult to add new devices
What does the term Bandwidth mean?
The maximum amount of data that can be transferred across a network in a given time.
The number of devices connected to a network.
The amount of time data takes to travel across a network.
The physical size of a network cable.
Put these connections in order of Bandwidth?
Lowest (left) to High (right)
3G
4G
5G
Fibre optic broadband
For each activity below, select whether it is uploading or downloading data?
Watching a film on Netflix
Listening to a song from a music service
Putting a video on YouTube
Sending an email with attachments
Backing up photos on your phone to the cloud
Describe what buffering is?
Give one reason why Buffering occurs?
Website is offline
Not enough users
High Bandwidth
Low Bandwidth
Internet data is mainly transmitted using ...?
Wi-Fi
Satellites
Cables under the ground / sea
The cloud
Describe how data travels across the internet from one device to another? Use the image and the following terms to help you:
- Packets
- Routers
- IP Address
- The path the data travels down
Which of these IP addresses is correct?
147 . 168 . 120
192 . 168 . 36 . 1
10 . 0 . 0 . 999
172 : 30 : 67 : 23
Data sent across a network is divided into smaller units called data...
(a)
Describe the difference between the Internet and the World Wide Web?
What is the name of the software used to view information on the World Wide Web?
What language are web pages usually written in?
HTTP
English
Python
The protocol used to request a webpage from a webserver is known as?
HTTP
HTML
Python
What is the purpose of the Domain Name System (DNS)?
To make IP addresses.
Translate web addresses into IP addresses.
Name the program search engines use to store information about webpages?
Web crawler
Web server
Web Browser
Web editor
Describe three ways search engines decide how they rank their results?
