BIT2311 BCT2102 BAC2501  NETWORK SYSTEMS DESIGN AND MANAGEMENT .

UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY/BACHELOR OF SCIENCE IN
INFORMATION AND COMMUNICATIONS TECHNOLOGY/BACHELOR
OF SCIENCE IN APPLIED COMPUTING
BIT2311 BCT2102 BAC2501 NETWORK SYSTEMS DESIGN AND
MANAGEMENT
FULL TIME/PART TIME
DATE: AUGUST, 2019 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.

QUESTION ONE [30 MARKS]
a) Discuss in detail the Network Design Methodology to be followed in coming up with a
well-designed and implemented network. 8 Marks
b) Describe the functions of the following WAN devices:
(i) Router 2 Marks
(ii) CSU/DSU 2 Marks
(iii) Modem 2 Marks
c) As a network evolves and grows, it becomes a more critical and indispensable resource to
the organization. Increased complexity and growing customer needs create special
requirements.
(i) Discuss the importance of Network Continuity and Disaster Recovery planning
4 Marks
(ii) Discuss the importance of network documentation. 3 Marks
d) Explain the role of a NIC in a wired connection. 4 Marks
e) Explain briefly and five technologies whose implementations help organizations to
protect their assets. 5 Marks
QUESTION TWO [20 MARKS]
a) State the functions or applications of the following network troubleshooting commands
(i) hostname 1 Mark
(ii). ipconfig /all 1 Mark
(iii). ping 1 Mark
(iv). tracert 1 Mark
(v) nslookup 1 Mark
b) Troubleshooting is a process that allows a user to find problems on a network. Explain
briefly the steps to follow in a structured approach to troubleshooting a network. 5 Marks
c) Discuss any five factors that a network designer considers when setting up a network.
5 Marks
d) Discuss briefly five factors that must be taken into account when deciding what type of
Network Operating System to install on a network. 5 Marks
QUESTION THREE [20 MARKS]
a) One of the best ways to understand how to build a network is to understand the method in
which traffic is passed across the network.
(i) Explain briefly three functions of routers 3 Marks
(ii) Discuss any four points that make a hierarchical design desirable. 4 Marks
b) As a network evolves and grows, it becomes a more critical and indispensable resource to
the organization. Loss of network resources and poor performance are results of increased
complexity and are not acceptable to the users. State any six duties of a network manager .
6 Marks
c) Discuss briefly the factors that should be considered when selecting a WAN service.
5 Marks
d) State two reasons that necessitate the layering of network functions. 2 Marks
QUESTION FOUR [20 MARKS]
a) Discuss briefly the factors that should be considered when selecting a WAN service.
5 Marks
b) (i) Explain the term ‘Structured Cabling’ 1 Mark
(ii) There are four phases that cover all aspects of a cabling project. Describe each of
these phases. 4 Marks
c) Explain why putting the faculty computers in a separate VLAN could protect faculty
network traffic from student connections. 5 Marks
d) Explain any five ways that network managers can enhance availability and reliability of
their networks. 5 Marks
QUESTION FIVE [20 MARKS]
a) Outline the tasks in a clean installation of Windows Server 2012 R2. 5 Marks
b) Explain the following terminologies in relation to Windows Server 2012R:
(i) Workgroup 2 Marks
(ii) Domain 2 Marks
(iii) Organizational units 2 Marks
c) To efficiently diagnose and correct network problems, a network engineer needs to know
network baseline. This information is captured in documentation. Network
documentation include 3 components: Network configuration table, End-system
configuration table and Network topology diagram. Discuss briefly the contents of each
of these three documents. 6 Marks
d) Which three address ranges are used for internal private address blocks as defined by
RFC 1918? 3 Marks

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