Specialized Paper Sample Questions
Discipline: Information Technology (P2)



Essays

A. Enumerate and explain the 7 layers of the OSI model. Give examples where possible.

B. You are supervising an Information Technology Helpdesk in a duty station with approximately 300 PCs connected to one LAN. Your management has received reports that the performance of the Helpdesk (response rate) has decreased over the last 6 months. The staffing level of the Helpdesk has remained the same over that time. You have been requested to provide a justification for the decrease in the response rate. List and elaborate on factors that have an impact on the performance of a helpdesk.

C. You are responsible for developing the selection criteria, which will serve as a basis for the future acquisition of software packages by a large international organization.

The organization has no clear methodology for acquiring software packages.

You were asked by your supervisor to develop a comprehensive list of criteria to be evaluated and the questions to be raised in assessing these criteria.

Prepare a list of five of these criteria. For each criterion on your list, prepare four questions, which you would include in assessing software packages.

Questions

  1. Describe the main functions performed by telecommunications control software.

  2. a) Describe briefly the concept of a Virtual Private Network (VPN).

    b) Compare a VPN and the traditional WAN.

    c) What is a site-to-site VPN?

  3. What purposes are served by thorough programme documentation?

  4. The UNIX operating system was designed a long time ago. It is only recently that its use became widespread. Briefly explain why this happened.

  5. Discuss briefly 3 issues related to software distribution through local area network. Give 1 example for each.

  6. Explain briefly the concept of virtual memory. Explain briefly if there is any special consideration to be taken by the programmer when structuring an application to be run in a system using virtual memory.

  7. Describe the terms Disaster Recovery and Business Continuity and briefly outline measures to implement these concepts in a non profit organization such as the United Nations.

  8. Cite and briefly describe 5 security measures aimed to prevent unauthorized access to a network through its INTERNET connection.

List of topics

Suggested reading includes basic textbooks and periodicals in the field of electronic data processing covering the following topics:

Examination Sample: General Paper (P2)