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8.3. Security of data
A subsection of Information and Communication Technology, 0417, through 8. Safety and security
Listing 10 of 98 questions
A company is considering developing a laptop computer that only uses biometric methods to authorise user access to this laptop computer. The developers are considering using facial recognition. Explain, giving other examples, why biometric methods are considered to be a more secure way of authorising access to the laptop computer rather than typing in passwords. Describe the disadvantages of using facial recognition to authorise access to the laptop computer. 1 21
0417_m20_qp_12
THEORY
2020
Paper 1, Variant 2
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Arjun is taking a gap year between his studies and will be travelling through Kenya. He needs to remain in contact with his parents and is considering using either a cell phone or VoIP. Describe the benefits of using each of these communication methods to stay in contact with his parents. Cell phone VoIP From time to time Arjun’s parents transfer money from their bank account to his bank account using online banking. Identify one type of transaction they cannot do using online banking. When Arjun logs onto his online banking he needs to enter his username and password. The system may also ask him to provide an answer to a security question. Tick (✓) whether the following are appropriate examples of a security question or not. Not appropriate (✓) Appropriate (✓) How old are you? What is your mother’s maiden name? What is your PIN? Which town were you born in? 1 21 Give three benefits of Arjun using online banking in this scenario. Give two drawbacks of Arjun using online banking in this scenario. [ 1 21
0417_m20_qp_12
THEORY
2020
Paper 1, Variant 2
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A library has decided to update its computer system. The details of each book are typed into a screen input form. Design a suitable screen input form for inputting the details of one book. The form must have appropriate spacing for each field, and navigation aids. As the data is typed in, it is stored in a database. Name the medium which would be most suitable for storing the data and having direct access to records. Give two reasons for your choice. Name Reason 1 Reason 2 The library wants to include the new computerised borrowing system on its website. Borrowers will be able to reserve or renew books using the Internet. Some people are concerned about this because there is a risk that their data may be accessed by unauthorised people. Describe three ways that the library could try to prevent unauthorised access to their system. The new system will be implemented. Describe three different ways in which the system could be implemented. After the system is implemented the library will be given two types of documentation. One type will help people use the new system. Give two examples of the contents of this type of documentation. The other type will help a programmer or systems analyst who wants to upgrade the system. Give two examples of the contents of this type of documentation.
0417_s14_qp_12
THEORY
2014
Paper 1, Variant 2
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A systems analyst has created a new computer system to keep records in a medical centre. She has created a relational database to store the medical records of patients. The database uses primary and foreign keys. Describe what is meant by a relational database. Explain the difference between a primary key and a foreign key. 1 8 A dentist works at the medical centre. The dentist stores the medical records of his patients. Describe four other uses of the database software that the dentist can use to help him in his work. [ 1 8 The data stored on the computer system needs to be protected from unauthorised access. Discuss the effectiveness of different methods of increasing security of this data. 1 8
0417_s21_qp_11
THEORY
2021
Paper 1, Variant 1
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A new patient is attending a medical centre. He completes a form with his details and gives this to the secretary who enters the details into a database. The secretary carefully checks the details entered into the database with those on the form. State what this process is called. The medical centre follows a data protection act, so the patient’s data is protected by law. State four principles of a typical data protection act. The age of the patient is stored on the patient's medical record. Explain why it is not sensible to store the age of the patient in the database. Explain what change could be made to the database to solve this problem. 1 2 The database includes primary and foreign keys. A medical ID number is used as the primary key in the database. Examples of the medical ID number include: 556 442 8483 450 557 7104 485 777 3456 State two validation checks that could be used to check the medical ID number. Describe the characteristics of primary keys and foreign keys. 1 2
0417_s24_qp_11
THEORY
2024
Paper 1, Variant 1
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Questions Discovered
98