O-LevelComputer ScienceThe Internet and its uses2210/11 · May/June 2021 · Q39 Marks
A firewall can be used to help keep the data secure that is stored on a computer.
- (a)The given paragraph describes how the firewall operates to help keep the data secure. Complete the paragraph using the most appropriate terms from the given list. Not all of the terms on the list need to be used. • Accept • Criteria • Hacking • Input • Network • Outgoing • Output • Processor • Reject • Software • Store • Storage A firewall can be ... or hardware based. It monitors traffic between the computer and the ... . The user sets ... for the traffic. The firewall will ... or ... the traffic based on this. It can help prevent ... and malicious software that could be a threat to the security of the data.[6]
- (b)Identify three other methods that could be used to keep the data secure. Method 1 Method 2 Method 3[3]
Mark scheme
Marking points from the official mark scheme (May/June 2021). The mark or mark type is shown in brackets.
- [6] (a) One mark per each correct term in the correct order. Software Network Criteria Accept // reject Reject // accept Hacking
- [3] (b) Any three from: Password Biometrics (device) Encryption Physical methods (e.g. locks) Two-factor authentication // Two-step verification Anti-viruses
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