NATIONAL OPEN UNIVERSITY OF NIGERIA

UNIVERSITY VILLAGE, PLOT 91, CASDASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI, ABUJA.
FACULTY OF SCIENCES
OCTOBER/NOVEMBER 2014 EXAMINATION

COURSE CODE:                                                                              CIT 305                                                                               

COURSE TITLE:                                                                             Networking and Communication Technology

DURATION:                                                                                     3 Hours

INSTRUCTIONS:                                                                            Answer question 1 and any 4 questions.

Q1.       As a network engineering you are offered a contract to design and implement a state

 of the art network, list and explain steps involved in an effective network planning

and design                                                                                                                             (14 Marks)

Q2a.     In today’s world what is Networking?                                                                                 (5 Marks)

Q2b.    What are the reasons for network today?                                                                                      (5 Marks)

Q2c.     What could be described as a secure network?                                                                (4 Marks)

Q3a.     List and explain the OSI reference model using the 7different models                           (7 Marks)

Q3b.    List and explains 3 classes of network                                                                                (3 Marks)

Q3c.     At what layer can you find switching in the OSI model?                                                    (4 Marks)

Q4a.     List and explain the categories of data link                                                                       (7 Marks)

Q4b.    Define Protocol                                                                                                                     (3 Marks)

Q4c.     Define internet protocol                                                                                                      (4 Marks)

Q5a.     List and explain ten best network strategies                                                                     (10 Marks)

Q5b.    What is a telecommunication circuit?                                                                                  (4 Marks)

Q6a.     List 5 types of network protocols                                                                                        (5 Marks)

Q6b.    Define enterprise network                                                                                                   (5 Marks)

Q6c.     List four (4) installations on which enterprise networks can be created upon                         (4 Marks)

Q7a.     List and explain 5 types of wireless technologies                                                                          (5 Marks)

Q7b.    Networks could be categorize based on their physical scope explain 5 types of

network based on their physical scope                                                                              (5 Marks)

Q7c.     Explain the key components that describe best network security                                   (4 Marks)