Grade 12 CAT (IEB) Networks and the Internet –
Complete Study Guide 2026
3G / 4G (LTE) - ANSWER ✔✨---Generations of mobile (cellular) phone technology that consists of a
high-tech infrastructure of networks and web 3G/4G-enabled handsets such as smartphones. 4G is also
known as LTE.
802.11 a/b/g/n - ANSWER ✔✨---Specification used to indicate whether a device has a wireless
adapter (for WiFi). The letters indicate the speed that the wireless network is capable of.
Add-on / Extension (browser) - ANSWER ✔✨---A third-party app that can be downloaded to
extend the functionality of a browser beyond browsing, e.g. transwerlator utilities and ad blockers. Also
known as a browser extension.
ADSL - ANSWER ✔✨---Asymmetric Digital Subscriber Line - a permanent digital connection to the
internet using a normal landline or telephone line.
Archiving (email) - ANSWER ✔✨---Moving messages from your inbox to an archive folder without
deleting them.
AUP - ANSWER ✔✨---Acceptable Use Policy - a policy which outlines the rights and responsibilities
of its users, especially in networked environments.
Backbone - ANSWER ✔✨---In networking, a cable connecting different LAnswer.
, Bandwidth - ANSWER ✔✨---The total amount of data that can be transwerferred from one point
to another in a given period of time. Normally measured in Kilobits per second (Kbps) or Megabits per
second (Mbps).
Bookmarks (web browser) - ANSWER ✔✨---An option that allows a user to store shortcuts to the
web pages they frequently visit. Also known as Favorites.
Botnet - ANSWER ✔✨---A group of compromised or infected computers connected to a network
such as the internet and controlled remotely to attack other machines by infecting them with malware,
sending spam, etc.
Broadband - ANSWER ✔✨---A high-speed, high-bandwidth connection to the internet.
BYOD - ANSWER ✔✨---Bring Your Own Device - a policy where people are allowed to bring their
own computing device (laptop, phone or tablet) to school or work and use it instead of relying on
equipment owned or supplied by the school or company. They connect to the school or company
network using WiFi.
Caching (web) - ANSWER ✔✨---Temporarily storing recently accessed web pages on disk so that
they can be loaded more quickly the next time they are requested.
Cap - ANSWER ✔✨---The limited amount of data that can be downloaded and uploaded in a
month without having to pay extra.
CAPTCHA - ANSWER ✔✨---A test to determine whether it is a human being interacting with the
computer. It usually takes the form of distorted letters and/or words that no computer software can
recognise, but which humanswer can recognise with ease.
Clients - ANSWER ✔✨---Computers connected to a network that use services and resources from
the servers.
Complete Study Guide 2026
3G / 4G (LTE) - ANSWER ✔✨---Generations of mobile (cellular) phone technology that consists of a
high-tech infrastructure of networks and web 3G/4G-enabled handsets such as smartphones. 4G is also
known as LTE.
802.11 a/b/g/n - ANSWER ✔✨---Specification used to indicate whether a device has a wireless
adapter (for WiFi). The letters indicate the speed that the wireless network is capable of.
Add-on / Extension (browser) - ANSWER ✔✨---A third-party app that can be downloaded to
extend the functionality of a browser beyond browsing, e.g. transwerlator utilities and ad blockers. Also
known as a browser extension.
ADSL - ANSWER ✔✨---Asymmetric Digital Subscriber Line - a permanent digital connection to the
internet using a normal landline or telephone line.
Archiving (email) - ANSWER ✔✨---Moving messages from your inbox to an archive folder without
deleting them.
AUP - ANSWER ✔✨---Acceptable Use Policy - a policy which outlines the rights and responsibilities
of its users, especially in networked environments.
Backbone - ANSWER ✔✨---In networking, a cable connecting different LAnswer.
, Bandwidth - ANSWER ✔✨---The total amount of data that can be transwerferred from one point
to another in a given period of time. Normally measured in Kilobits per second (Kbps) or Megabits per
second (Mbps).
Bookmarks (web browser) - ANSWER ✔✨---An option that allows a user to store shortcuts to the
web pages they frequently visit. Also known as Favorites.
Botnet - ANSWER ✔✨---A group of compromised or infected computers connected to a network
such as the internet and controlled remotely to attack other machines by infecting them with malware,
sending spam, etc.
Broadband - ANSWER ✔✨---A high-speed, high-bandwidth connection to the internet.
BYOD - ANSWER ✔✨---Bring Your Own Device - a policy where people are allowed to bring their
own computing device (laptop, phone or tablet) to school or work and use it instead of relying on
equipment owned or supplied by the school or company. They connect to the school or company
network using WiFi.
Caching (web) - ANSWER ✔✨---Temporarily storing recently accessed web pages on disk so that
they can be loaded more quickly the next time they are requested.
Cap - ANSWER ✔✨---The limited amount of data that can be downloaded and uploaded in a
month without having to pay extra.
CAPTCHA - ANSWER ✔✨---A test to determine whether it is a human being interacting with the
computer. It usually takes the form of distorted letters and/or words that no computer software can
recognise, but which humanswer can recognise with ease.
Clients - ANSWER ✔✨---Computers connected to a network that use services and resources from
the servers.
