0478.1.0.02 — public and private keys: past paper questions
Real questions on 0478.1.0.02 — public and private keys
The newest 13 of 13 written questions. Open one to see it on the real paper.
- 0478/12 · October/November 2025 · Q5c(i)[2]
Explain how data is sent using the USB connection.
See it on the paper → - 0478/12 · May/June 2025 · Q3c(i)[1]
Identify a suitable type of printer that she could use to print this list.
See it on the paper → - 0478/12 · October/November 2024 · Q5b(i)[3]
Explain how the data is sent using serial simplex data transmission.
See it on the paper → - 0478/23 · October/November 2024 · Q1[1]
Tick (✓) one box to show which of the following is used to validate data on input. A checksum B double entry check C type check 1
See it on the paper → - 0478/23 · October/November 2024 · Q10b[3]
State the rules that the password must meet.
See it on the paper → - 0478/13 · May/June 2022 · Q4c(ii)[1]
Identify how this protocol changes the data to transmit the data securely.
See it on the paper → - 0478/13 · October/November 2021 · Q7d[2]
Julius makes sure that all data transmission to and from his website is secure. One way a user can check if his website uses secure data transmission is to check its certificate. Give two other ways that a user can identify if his website uses secure data transmission.
See it on the paper → - 0478/12 · February/March 2021 · Q4a[6]
Explain how the barcode is read at the supermarket checkout and how the price of the product is found.
See it on the paper → - 0478/12 · February/March 2021 · Q6a[4]
Explain how a firewall can help prevent hacking.
See it on the paper → - 0478/13 · October/November 2020 · Q11[6]
A theme park has a game where a player tries to run from the start to the finish without getting wet. The system for the game uses sensors and a microprocessor to spray water at a player as they run past each sensor. Describe how the sensors and the microprocessor are used in this system.
See it on the paper → - 0478/13 · October/November 2020 · Q12[5]
Warner says that he has a very good Internet Service Provider (ISP) that provides several services. Five statements about ISPs are given. Tick (3) to show if each statement is True or False. True (3) Statement False (3) Provides access to the Internet for customers Can determine the maximum bandwidth available for cust...
See it on the paper → - 0478/13 · October/November 2020 · Q13a[1]
State one similarity between phishing and pharming.
See it on the paper → - 0478/13 · October/November 2020 · Q13b[2]
Explain two differences between phishing and pharming. Difference Difference
See it on the paper →
What examiners said
Most candidates were able to provide two ways that could be used to see if the website is secure.
— Examiner report, October/November 2021, 0478/13 Q7(d) (Cambridge)
Many candidates could demonstrate an understanding of how a barcode is read. Some candidates did not answer the given question, and many described what is meant by a barcode, for example describing the format and not how it is read. Fewer candidates were able to describe how the price of the product is found, a common error was describing how the quantity of items in stock would be updated, which...
— Examiner report, February/March 2021, 0478/12 Q4(a) (Cambridge)
Responses to this question were mixed, with some candidates demonstrating a good understanding of firewalls, but other responses were often vague and did not clearly explain how it prevents hacking. The most commonly awarded points included the monitoring of incoming and outgoing traffic and blocking signals that do not meet the requirements. Fewer candidate were able to give further depth, for ex...
— Examiner report, February/March 2021, 0478/12 Q6(a) (Cambridge)
Past papers, syllabus and examiner reports © UCLES (Cambridge University Press & Assessment). Questions are matched to topics from the official syllabus. AssessPro is independent and not endorsed by Cambridge.