1.4 Network Security: revision quiz and key terms
Free practice for 1.4 Network Security in OCR GCSE Computer Science (J277). It has 2 parts: 1.4.1 Network Threats and 1.4.2 Prevention Methods. Try the questions, then check the key terms.
Try 5 free questions
Which prevention method monitors traffic entering and leaving a network and blocks traffic that does not meet its rules?
Anti-malware software can help detect and remove malicious software.
Which attack involves trying every possible combination of characters to guess a password?
Social engineering attacks rely mainly on exploiting flaws in a computer's hardware.
What is the main purpose of penetration testing?
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Key terms for 1.4 Network Security
- Brute-force attack
- An attack that tries every possible combination of characters until a password is found.
- Denial-of-service attack
- Overwhelms a server with traffic so it can no longer respond to legitimate requests.
- Firewall
- Hardware or software that monitors network traffic and blocks traffic that does not meet its security rules.
- Malware
- Malicious software designed to damage, disrupt or gain unauthorised access to a system.
- Physical security
- Locked server rooms and similar measures protecting hardware from unauthorised access.
- Social engineering
- Manipulating people into revealing confidential information or performing an unsafe action.
- SQL injection
- Entering SQL code into an input box to access or change data in a database without authorisation.
- User access rights
- Restrict what different users are allowed to view or do on a network.
What 1.4 Network Security covers
In RADevo this topic has a full topic test and a focused quiz for each part:
- 1.4.1 Network Threats
- 1.4.2 Prevention Methods
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