Chapter 04 – Homework
1) What is the process called that determines how bits are represented on the
medium?
a. Bandwidth rating, the number of bits per second that can be
transmitted across a medium.
2) What are the two types of interference often encountered when using copper
media?
a. Electromagnetic interference (EMI) and radio frequency interference
(RFI)
3) What is a short cable for connecting a computer to an RF-45 jack or
connecting a patch-panel port to a switch or hub?
a. Patch cable
4) Which category of UTP is the recommended cabling standard for 1 Gbps over
copper media?
a. Cat 6
5) Horizontal wiring from the wall jack to the patch panel should be no longer
than?
A) Horizontal wiring from the wall jack to the patch panel should be no
longer than 90 meters to allow up to 10 meters for patch cables.
6) What is the name of the device that is used to translate between wired and
wireless networks?
a. Transceiver or an access point (AP) must be installed to translate
between wired and wireless networks.
7) Name of two main types of fiber-optic cable.
a. Single-mode or multi-mode.
8) Which fiber-optic media type uses light-emitting diodes (LEDs) instead of
lasers?
a. MMF Cables cost less and work with lower-power light emitting diodes
(LEDs)
9) What can connect networks up to three miles?
a. Mobile WiMax
10) What type of system can send and receive data from geosynchronous
satellites that maintain fixed positions in the sky?
a. Satellite Communications System