NET1L - Lesson 4 (Physical Layer Pt. 2)
Authored by Mel Mathew Palana
Computers
University
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is the most common type of cabling used in networks today.
Copper Cabling
UTP Cabling
Fiber-Optic Cabling
Wireless Media
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is inexpensive, easy to install, and has low resistance to electrical current flow.
Copper Cabling
UTP Cabling
Fiber-Optic Cabling
Wireless Media
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the limitations of Copper Cabling?
Attenuation
The electrical signal is susceptible to interference from two sources: EMI and RFI
Speed
Distance
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The longer the electrical signals have to travel, the weaker they get.
Attenuation
The electrical signal is susceptible to interference from two sources: EMI, RFI and Crosstalk
Speed
Distance
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Copper cables are susceptible to interference from two sources, which can distort and corrupt the data signals:
Electromagnetic Interference (EMI)
Radio Frequency Interference (RFI)
Electromagnetic Frequency Interference (ERI)
Radio Electromagnetic Interference (REI)
CrossTalk
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Strict adherence to cable length limits will mitigate attenuation.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some kinds of copper cable mitigate EMI and RFI by:
by using metallic shielding and grounding
by twisting opposing circuit pair wires together
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