DIT 306 STRUCTURED CABLING.

UNIVERSITY EXAMINATIONS: 2013/2014
ORDINARY EXAMINATION FOR THE DIPLOMA IN
INFORMATION TECHNOLOGY
DIT 306 STRUCTURED CABLING
DATE: AUGUST, 2014 TIME: 1½HOURS
INSTRUCTIONS: Answer Any Three Questions.

QUESTION ONE
a) Define Structured Cabling and give two applications of structured cabling. [4 Marks]
b) When terminating a UTP cable to an R-J45 connector, there are 2 modes of
termination: T568-A and T568-B. Give the color codes for each, and differentiate
between Straight Through and Cross-Over termination. [8 Marks]
c) Describe any 3 testing and troubleshooting tools that are used on structured cables.
[6 Marks]
d) Define Grounding. [2 Marks]
QUESTION TWO
a) Describe the following:
i). Backbone Cabling
ii). Horizontal Cabling
iii). Work Area Cabling
iv). Vertical Cabling. [8 Marks]
b) Describe the four steps to take during pre-cabling preparation. [4 Marks]
c) With the help of a diagram, distinguish the following:
i). Coaxial Cable and Twisted Pair Cable
ii). Single Mode Fiber Optic Cable and Multi Mode Fiber Optic Cable
[8 Marks]
QUESTION THREE
a) (i) What is a Wire Map Test? [1 Mark]
(ii) State and Explain Five Wiring Installation Errors that a Wire Map Test can
identify. [5 Marks]
b) Discuss FOUR reasons why a cable installation can experience attenuation?
[4 Marks]
c) During cable installation, safety rules are to be followed. List any 6 cable installation
safety guides to observe and be followed. [6 Marks]
d) Describe FOUR categories of Communication Systems. [4 Marks]
QUESTION FOUR
a) When running network cabling to a building, there are cautions to take. List and
explain any 5 things you shouldn’t do when running network cable. [5 Marks]
b) List and describe the steps and factors to consider when setting up a peer-to-peer
network. [10 Marks]
c) Define any 5 cable supporting structures. [5 Marks]
QUESTION FOUR
a) Describe the functions of the following tools: [10 Marks]
i). Punch down tool
ii). Patch Panel
iii). Crimping tool
iv). Sheath remover
v). Cable tester
b) In structured cabling, describe the purpose and steps to take when pulling backbone
cables and horizontal cables. [4 Marks]
c) Describe in detail how to terminate a 4-pair UTP cable into its connector. [6 Marks]

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