NATIONAL OPEN UNIVERSITY OF NIGERIA CIT 465 NETWORK ADMINISTRATION

NATIONAL OPEN UNIVERSITY OF NIGERIA CIT 465 NETWORK ADMINISTRATION

14-16 AHMADU BELLO WAY, VICTORIA ISLAND LAGOS SCHOOL OF SCIENCE AND TECHNOLOGY

MAY/JUNE 2012 EXAMINATION

CIT 465 NETWORK ADMINISTRATION (2 CR) TIME: 21/2 HOURS

INSTRUCTION:           ANSWER ANY FOUR QUESTIONS IN ALL

1a        What are the essential requirements that the TCP/IP protocol must support.

[9 marks]

1b.       List any five IEEE classification of software anomalies and five source of error that can be found at the human edge of the system. [10 marks]

1c.        Discuss System configuration policy.              [6 marks]

2a.       Differentiate between the two (2) main Categories of Networks / Network

Technologies.  [12 marks]

2b.       Write short note on Class “C” legacy networks.        [5 marks]

2c.       Discuss network simulator and give two examples. [8 marks]

3a.       What are the challenges of system administration? [14 marks]

3b.       Write short note on “Ping and traceroute”.   [6 marks]

3c.       What does the computer startup and          shutdown has to do with the multitasking operating       system.[5 marks]

4a       State the two rules that an account policy should contain. [6 marks]

4b.      What is meant by Network Address Translation, and what is its main purpose?

[7 marks]

4c.       State with at list two examples each the threats that can compromise the system.

[12 marks] 

5a.       List and enumerate the seven OSI layers.     [21 marks]

5b.       Write short note on Class “B” legacy networks.        [4 marks]

6a.      Differentiate between the Star and Mesh types of Topology.         [10 marks]

6b.      Write out the Command that can be used to add Single Windows accounts.

[5 marks]

6c.       Simply differentiates between the goals of the” fault management” and” security management” conceptual areas of ISO Network Management Model.    [10 marks]

SOURCE: http://www.nounsite.com/national-open-university-exam-past-question-cit-465-mayjune-2012-examination/

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