NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
SEPTEMBER 2020 EXAMINATION

CIT 465 - Network Administration Credit: 2 units
TIME ALLOWED: 2 Hours
INSTRUCTION: Answer Question 1 and any other FOUR (3) Questions

Question 1
(a). Explain the concept of network and system administrator (5mks)
(b). Write short note on the word “system” in system administrator (5mks)
(c). Summarize the concept of Network Management (5mks)
(d). Identify the five conceptual areas of ISO Network Management model and explain any two(10 mks)

Question 2
(a). Describe the term physical topology and illustrate its categories (5mks)
(b). Write short notes with the aid of a diagram on any two of topology categories (10mks)

Question 3
(a). Describe the function of Network hardware with its component in network infrastructure(4mks)
(b). write short notes on the following: Bridge, repeater and switch (6mks)
(c). Evaluateson the concept of frame relay in line with its benefits to networking.(5mks)

Question 4
(a). Describe the term Network Management (5mks)
(b). Summarize briefly your understanding of the term “Agent” (5mks)
(c). Compare the goals of “Security management and Fault Management” (5mks)

Question 5
(a). Analyse “network simulation” in terms of functionality/usefulness (5mks)
(b). Relate and justify network simulator as a software (5mks)
(c). Describe the term “Documentation” in terms of Network (5mks)