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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

9.2 What slows a network down?

KS3 Networks and Systems Security – Learn Guide
Network performance – KS3 Networks and Security
9.2 What slows a network down?

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