VCE Cyber Security Definitions Worksheet: AI-based network security software and more (Modules 11–20)
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Key terms
Write what each term means, in your own words.
1
AI-based network security software
2
Intrusion detection system (IDS)
3
Intrusion prevention system (IPS)
4
Wired communications technology
5
Wireless communications technology
6
Mobile communications technology
7
Comparison measures
8
The internet
9
Intranet
10
VPN
Answer Key
VCE Cyber Security · Modules 11–20 · Student wording will vary for definitions
1AI-based network security software — Software that learns an organisation's normal network behaviour and flags deviations from it.
2Intrusion detection system (IDS) — A system that monitors network traffic for suspicious activity and raises an alert when it finds it.
3Intrusion prevention system (IPS) — A system that sits inline in the traffic path, detects threats, and automatically blocks them before they reach the network.
4Wired communications technology — Technology that carries data through physical cable between fixed connection points, offering high speed and reliability but no mobility.
5Wireless communications technology — Technology that carries data through radio waves within range of an access point, offering mobility but limited range and security.
6Mobile communications technology — Technology that carries data through cellular towers, giving connectivity across wide geographic areas.
7Comparison measures — The four criteria used to compare wired, wireless and mobile technologies: cost, data storage options, reliability and security.
8The internet — The global public network of interconnected networks that communicate using shared protocols.
9Intranet — A private network that uses internet technologies but is restricted to one organisation's members.
10VPN — A virtual private network creates an encrypted tunnel across a public network so a remote user can access a private network securely.