NATIONAL OPEN UNIVERSITY OF NIGERIA
14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS
SCHOOL OF SCIENCE AND TECHNOLOGY
MARCH/APRIL 2014 EXAMINATION
COURSE CODE: CIT 832
COURSE TITLE: INTRODUCTION TO OPERATING SYSTEMS AND NETWORKING MANAGEMENT
TIME ALLOWED: 2 ½ Hours
INSTRUCTION: Answer Any Four Questions
1.List and briefly explain four components of the development environment for most Graphical User Interfaces. 17 ½ marks
2a. Briefly explain what is meant by an operating system. 5 ½ marks
b. Explain what is meant by kernel and state four of its functions. 12 marks
3a. Outline three aspects of communication defined by a protocol.
9 marks
b. List four key areas that characterize a local area network. 4 marks
c. List three most common LAN topologies. 4 ½ marks
4a. Explain what is meant by network topology and list five basic ones. 8 marks
b. Outline two main hybrid topologies. 9 ½ marks
5a. Outline the DNS concept. 4 ½ marks
b. State four DNS design goals. 8 marks
c. Explain the fundamental property of the DNS. 5 marks
6a. Outline three qualities to authenticate a user in a computer system.
10 ½ marks
b. List two types of access control that can be implemented for a computer system. 6 marks
For the 2015 – till date past questions for this course CLICK HERE
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