Skip to content

KS3 Networks and Systems Security – Learn Guide

What is a network? – KS3 Networks and Security Sample Lesson

1.1 Connecting computers

1.2 Why we network

1.3 Practice: network or not?

LANs and WANs – KS3 Networks and Security

2.1 Local and wide area networks

2.2 The internet as a WAN

2.3 Practice: spot the network

Network hardware – KS3 Networks and Security

3.1 Routers, switches and NICs

3.2 Wired and wireless

3.3 Practice: build a school network

The internet and the web – KS3 Networks and Security

4.1 Internet vs World Wide Web

4.2 URLs, DNS and web servers

4.3 Practice: follow the request

Year 7 recap – networks – KS3 Networks and Security

5.1 Key vocabulary and sorting

5.2 Exam skills

5.3 End of Year 7 check

Network topologies – KS3 Networks and Security

6.1 Star topology

6.2 Mesh topology

6.3 Practice: design a topology

Data packets – KS3 Networks and Security

7.1 What is a packet?

7.2 Packet switching

7.3 Practice: packet relay

Protocols – KS3 Networks and Security

8.1 What is a protocol?

8.2 Common protocols

8.3 Practice: match the protocol

Network performance – KS3 Networks and Security

9.1 Bandwidth and latency

9.2 What slows a network down?

9.3 Practice: compare two connections

Year 8 recap – KS3 Networks and Security

10.1 Key vocabulary and sorting

10.2 Exam-style recap

10.3 End of Year 8 check

Cyber threats – KS3 Networks and Security

11.2 Phishing and social engineering

11.3 Practice: spot the scam

Cyber attacks – KS3 Networks and Security

12.1 Brute force and denial of service

12.2 SQL injection and data interception

12.3 Practice: attack or defence?

Protecting systems – KS3 Networks and Security

13.1 Passwords and authentication

13.2 Firewalls, anti-malware and encryption

13.3 Practice: secure the school

Computing law and ethics – KS3 Networks and Security

14.1 The Computer Misuse Act

14.2 Data protection

14.3 Practice: is it legal?

Bringing it together – KS3 Networks and Security

15.1 Mixed retrieval

15.2 Extended answer

15.3 End of Year 9 check

2.2 The internet as a WAN

KS3 Networks and Systems Security – Learn Guide
LANs and WANs – KS3 Networks and Security
2.2 The internet as a WAN

You are using the free version. Your progress is not saved.Save progress and earn badges →

Course overview

Manage Consent

To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behaviour or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.

Functional Functional Always active

The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.

Preferences Preferences

The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.

Statistics Statistics

The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.

Marketing Marketing

The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.

Manage options
Manage services
Manage {vendor_count} vendors
Read more about these purposes

View preferences

{title}
{title}
{title}

Scroll to Top

Login

Accessing this course requires a login. Please enter your credentials below!

Username or Email Address

Password

Remember Me

or

Login with Microsoft

Lost Your Password?

Register

Don't have an account? Register one!

Register an Account