DIT 407 NETWORK DESIGN AND SETUP.

UNIVERSITY EXAMINATIONS: 2013/2014
ORDINARY EXAMINATION FOR THE DIPLOMA IN
INFORMATION TECHNOLOGY
DIT 407 NETWORK DESIGN AND SETUP
DATE: AUGUST, 2014 TIME: 1½HOURS
INSTRUCTIONS: Answer Any Three Questions.

QUESTION ONE
(a) Explain any four factors you would consider when selecting networking devices
(8 Marks)
(b) Define the following terms (4 Marks)
i. Back bone cabling
ii. Horizontal cabling
iii. Wiring closets
iv. Work area cabling
(c) Each media type has its advantages and disadvantages. State the factors to be
considered when choosing a network media (4 Marks)
(d) List factors to consider when planning an IPv4 addressing scheme. (4 Marks)
QUESTION TWO
(a) Describe the concept of CSMA/CD (2 Marks)
(b) Describe Simplex, Half-Duplex and Full-Duplex transmission. (6 Marks)
(c) State and explain FOUR key goals in a LAN design. (4 Marks)
(d) Highlight the main differences between a Static IP Address and a Dynamic IP
Address. (4 Marks)
(e) Explain the use of the following commands in networking
i. traceroute / tracert
ii. ping
iii. ifconfig
iv. ipconfig /all
(4 Marks)
QUESTION THREE
(a) Describe the following switching approaches
i. Cut through switching
ii. Store and forward switching
iii. Fragment free switching
(6 Marks)
(b) Give TWO reasons why Wireless media would be preferred over cable media.
(4 Marks)
(c) Briefly describe the responsibilities of a Network Administrator. (4 Marks)
(d) Highlight THREE minimum requirements for installing Windows Server 2008.
(3 Marks)
(e) Explain any THREE factors to consider when selecting Transmission Media.
(3 Marks)
QUESTION FOUR
(a) List four examples of network operating systems (2 Marks)
(b) Explain functions of a network operating system (4 Marks)
(c) To provide security, a network manager must address two areas. State the two
(d) areas (4 Marks)
(e) Explain to ways to prevent Denial of service attacks (4 Marks)
(f) Give THREE reasons why you would choose a Linux platform for Network
(g) Administration over a Microsoft Windows Server platform. (6 Marks)
QUESTION FIVE
(a) Define the following terms (8 Marks)
i. Terminal
ii. Protocol
iii. Throughput
iv. Response time
(b) Differentiate between the following servers (4 Marks)
i. Enterprise server
ii. Workgroup server
(c) List any four network hardware’s and their functions (4 Marks)
(d) Differentiate between data and voice communication (4 Marks)

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