UNIVERSITY EXAMINATIONS: 2020/2021
EXAMINATION FOR DIPLOMA IN INFORMATION TECHNOLOGY
DIT 306: STRUCTURED CABLING
DATE: DECEMBER, 2021 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and Any Other Two Questions
QUESTION 1
a) Describe the four methods identified by the ANSI/TIA/EIA standard for distributing inter-building
backbone cables to multiple buildings [4Marks]
b) Give any four essential components of the communication process [4Marks]
c) Differentiate between the two types of twisted pair cables [4Marks]
d) Give four factors to consider when designing a proper cabling system [4Marks]
e) Briefly describe any four cable testing equipment [4Marks]
QUESTION 2
a) Discuss any five golden rules of structured cabling [5Marks]
b) The pre-cabling preparation is a series of activities that are designed to either gather critical information
about the building or the cable installation project itself. Describe the first five tasks of pre-cabling
[10Marks]
QUESTION 3
a) Give four common applications of wireless media [4Marks]
b) Attenuation is defined as the reduction of a transmitted signal due to resistance encountered by the signal
as it is travelling down a cable. Give any five causes of attenuation [5Marks]
c) Describe the three issues to keep in mind when pulling cables to ensure the proper operation of the
network. [6Marks]
QUESTION 4
a) Describe the two tests required for fiber optic LAN installations [4Marks]
b) The ANSI/TIA/EIA-568-B Standard states that the maximum distance between the telecommunications
outlet and the patch panel is 90 meters. The Standard further allows for a patch cord in the workstation
area that is up to 5 meters in length and a patch cord in the telecommunications room that is up to 5
meters in length. Give five reasons why the 100m distance was chosen [5Marks]
c) Describe how the following can be used to protect cables from physical damage
i) Cable trays
ii) Standoffs
iii) D-rings [6Marks]
