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
- Describe the main functions performed by telecommunications control software.
- 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?
- What purposes are served by thorough programme documentation?
- The UNIX operating system was designed a long time ago. It is only recently that its use became widespread. Briefly explain why this happened.
- Discuss briefly 3 issues related to software distribution through local area network. Give 1 example for each.
- 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.
- 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.
- 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:
- Fundamentals of electronic data processing
- Computer system architecture
- Fundamentals of programming and analysis
- Operating system functions and facilities
- Basic concepts of data base management systems
- Network security
- Standard textbooks and course materials, as well as reference manuals available from hardware and software suppliers
Examination Sample: General Paper (P2)