Computing

Computing

1. How is data encrypted so that data can be sent over a network securely?

   • By using an encryption key so that unauthorised users cannot read it.

2. Which security threat is where criminals send emails claiming to be a well known business in order to steal information?

   • Phishing

3. Which software controls which programs on your computer can send and receive data packets across the network?

   • Firewall software

4. Which of the following would help prevent unauthorised users from corrupting or deleting system files or confidential data?

   • Passwords, user access levels, firewall and anti malware software

5. This form of attack is where a hacker floods a network with useless data packets (traffic) to make it extremely slow or inaccessible.

   • Distributed denial of service attack (DDoS)

6. This form of attack is where someone monitors data traffic using network monitoring software/hardware to intercept sensitive data.

   • Passive attack

7. Which of the following would help prevent unauthorised users from accessing the network, files or software?

   • Passwords and user access levels

8. What is the main reason why a good network policy will encrypt sensitive data?

   • To make data unreadable to unauthorised users when being sent over a network.

9. Scareware, ransomware, spyware, viruses, worms and trojans are all examples of

   • Malware

10. What is the main reason why a good network policy will use passwords?

    • To prevent unauthorised people from accessing the network.