NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
JUNE/JULY 2013 EXAMINATION

COURSE CODE: CIT 465

COURSE TITLE: NETWORK ADMINISTRATION   (2 UNITS)

TIME ALLOWED: 2. 5 HOURS

INSTRUCTION: Answer any four (4) questions in all

1a Write short note on the three main components in a human computer system.              (7.5 marks)

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

2a. i. Define the term Change management.  (5 marks)

ii. State two general strategies in planning changes of infrastructure.                      (7 marks)

2b. What is Encapsulation?    (5.5 marks)

3a. State 7 challenges of system administration   (10.5 marks)

3b. Why is procedure for startup and shutdown operation, crucial in multitasking operating system?      (7 marks)

4a. State the two rules that an account policy should contain.                                     (6 marks)

4b. Enumerate the five conceptual areas where the ISO has contributed to the standardization Network Management Model. (7 marks)

5. List and explain the seven OSI layers.   (17.5 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.                 (7.5 marks)