9626_s21_qp_33 - revisedeck

9626_s21_qp_33

A paper of Information Technology, 9626

Questions:

13

Year:

2021

Paper:

3

Variant:

3

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1

An Information Technology (IT) Manager is considering storing company data in the cloud. Explain what is meant by storing data in the cloud. Explain why the IT Manager could be worried about storing data in the cloud.

14. Communications technology → 14.4. Cloud computing

Open

2

Satellite communication systems can be used to provide internet access to users in areas of the world where other methods of providing internet access are not possible. Describe how satellite communication systems provide internet access to users.

14. Communications technology → 14.8. Mobile communication systems

14. Communications technology → 14.5. Data transmission across networks

Open

3

Discuss the advantages and disadvantages of web-based project management software.

15. Project management → 15.2. Project management software

15. Project management → 15.3. Tools and techniques for project management tasks

Open

4

shows a Gantt chart. Mon 4 Mar 12 18 Tue 5 Mar 12 18 Wed 6 Mar 12 18 Thu 7 Mar 12 18 Fri 8 Mar 12 18 Describe four components of this Gantt chart. Describe how a Gantt chart could show overdue tasks.

8. Spreadsheets → 8.4. Graphs and charts

15. Project management → 15.3. Tools and techniques for project management tasks

Open

5

A manager of a library is considering introducing an updated computer system for lending out books. Library users will be asked to complete a questionnaire about the current system. Evaluate, by weighing up the advantages and disadvantages, the use of questionnaires for gathering information in this scenario.

2. Hardware and software → 2.2. System software

16. System life cycle → 16.7. Evaluation

14. Communications technology → 14.3. Network servers

Open

6

The introduction of 5G cellular communication systems will provide increased bandwidth for users. 5G cellular communication systems will enable video delivery to users to be more reliable. Describe two other improvements that 5G will be able to provide. Describe two drawbacks of the introduction of 5G cellular communication systems.

14. Communications technology → 14.8. Mobile communication systems

14. Communications technology → 14.5. Data transmission across networks

Open

7

A hospital is to replace its database management system (DBMS) for storing patient records with a new system. Analyse the effectiveness of the phased implementation method to install the new DBMS.

16. System life cycle → 16.5. Implementation

10. Database and file concepts → 10.4. File and data management

10. Database and file concepts → 10.1. Creating a database

Open

8

Describe how a blog enables social networking to take place.

12. IT in society → 12.3. Social networking services/platforms

Open

9

A software company uses Rapid Application Development (RAD) to create its products. Describe the stages involved in the RAD process. Describe reasons why the company is using RAD instead of a more traditional waterfall method of software development.

16. System life cycle → 16.8. Methods of software development

16. System life cycle → 16.9. Prototyping

Open

10

Jasmine is using JavaScript on her web pages to provide interactivity. She has encountered some runtime errors during the testing of her JavaScript code. She has written some code including window.onerror = function (msg, url, line) The onerror() event handler will trap errors. Describe how this can help Jasmine locate the mistakes in the rest of her code.

21. Programming for the web → 21.1. Programming for the web

Open

11

Hubs and switches are networking devices. Compare and contrast how these devices carry out their roles in a network.

14. Communications technology → 14.1. Networks

14. Communications technology → 14.6. Network protocols

14. Communications technology → 14.2. Components in a network

Open

12

The directors of a company are trying to protect the company’s data. Explain the measures that could be taken by the company to help protect the network from a data breach.

14. Communications technology → 14.9. Network security

5. eSecurity → 5.1. Personal data

Open

13

John wants to know how a Global Positioning System (GPS) works. He currently thinks that a GPS satellite calculates the position of a car and sends a signal telling the car what its position is. John discovers that this is incorrect. Explain how a GPS actually works.

14. Communications technology → 14.8. Mobile communication systems

Open