UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE DIPLOMA IN INFORMATION
TECHNOLOGY
DIT407 NETWORK DESIGN AND SETUP
FULLTIME/PARTTIME
DATE: AUGUST, 2018 TIME: 1 ½ HOURS
INSTRUCTIONS: Answer any THREE questions.
QUESTION ONE
(a) At which layer do routing devices operate? Explain. (4 Marks)
(b) With the aid of a Diagram, describe the contents of an Ethernet Frame. (8 Marks)
(c) Discuss THREE types of Network Traffic. (6 Marks)
(d) (i) Give THREE advantages of Managed Switches over Unmanaged Switches. (3 Marks)
(ii) Other than switch management, discuss THREE factors to consider when selecting a
network switch. (3 Marks)
(e) Discuss THREE benefits of subnetting. (6 Marks)
QUESTION TWO
(a) (i) Discuss the differences between Static and DHCP Addressing Schemes (2 Marks)
(ii) With the aid of a diagram, describe the DHCP HANDSHAKE (4 Marks)
b) State and explain FOUR key goals in a LAN design. (4 Marks)
d) Discuss FIVE factors to be considered when choosing a Transmission media. (5 Marks)
e) Discuss FIVE Guidelines for creating an effective network documentation. (5 Marks)
QUESTION THREE
a) Give TWO reasons why Wireless media would be preferred over cable media. (2 Marks)
b) Discuss FOUR merits of Computer Networks to Business Organizations (4 Marks)
c) Briefly describe the responsibilities of a Network Administrator. (4 Marks)
d)
(i) Briefly discuss any FOUR services provided by Network Operating Systems. (4 Marks)
(ii)Give THREE reasons why you would select Linux Server OS over a Windows Server
OS for Network Administration. (6 Marks)
QUESTION FOUR
(a) Discuss THREE types of connectivity problems (6 Marks)
(b) Discuss the THREE basic layers of a Hierarchical Network Design Model (6 Marks)
(c) Discuss THREE categories of networks classified by Range (6 Marks)
(d) ) Explain why one would ping the loop-back address while troubleshooting a computer
network? (2 Marks)
QUESTION FIVE
(a) (i) What is a “Medium Access Control Protocol”? (2 Marks)
(ii) Discuss THREE categories of MAC Protocols (6 Marks)
(b) Discuss FOUR building blocks of computer networks (4 Marks)
(c) Discuss FOUR primary functions of LANs (4 Marks)
(d) Describe the following Ethernet Standards (4 Marks)
(i) 100BaseFX
(ii) 1000BaseSX
(iii) 1000BaseT
(iv) 10BaseT
