Reading Review Quiz (Week 10) Flashcards Preview

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Flashcards in Reading Review Quiz (Week 10) Deck (24)
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1
Q

Which way should the tab on the 8p8c modular plug face when making a straight-thru patch cable? *

A

Down

2
Q

Which of the following is the correct order of the ring colors according to the 25 pair color code? *

A

Blue, Orange, Green, Brown, Slate

3
Q

What are the two general types of fiber optic cable found in current networking environments? *

A

Singlemode and Multimode

4
Q

A Category 6 UTP cable that runs from the telecommunications room on floor 1 to an equipment room on floor 3 would be considered part of the cabling. *

A

Backbone

5
Q

When terminating a 4pair UTP CAT6 cable onto a 110 Style Patch Panel, in what order should the pairs be punched down? *

A

Always follow the color code that comes included with Patch Panel

6
Q

During the Rough-In cabling process the_____________________ is typically the starting point for cable pulls when cables are pulled from one area to another such as from a Telecommunications room to a work area. *

A

Staging Area

7
Q

What is the acronym that best describes a technology that passes electric power over twisted pair ethernet cabe to power devices such as wireless access points, VoIP phones, or security cameras? *

A

POE

8
Q

What does MDF stand for in relation to telecommunications? *

A

Main Distribution Frame

9
Q

What should you have included with the cables you ran thru the plenum ceiling in lab 6 (Rough-in) phase, to help facilitate installing additional cables in the future? *

A

String / Rope / Twine / Pull String

10
Q

Please identify part 3 on the image shown below? *

https://lh4.googleusercontent.com/e2uh8rbCFGysFRbxAaT_oL8Gvw-NCBUDVNRY6Mk2Nultvzt9ndx5N9lLWBWCcNEubGPvPtNY2bGTOng2Nthu5EBq04oHc8E8e54HG0eQroK1NFeH59YjRYm32hKMaTFctg=w236

A

Buffer

11
Q

In fiber optics the angle of incidence at which light is first totally internally reflected is known as the ______? *

A

Critical Angle

12
Q

________________ is a way of sending multiple signals or streams of information over a communications link at the same time in the form of a single, complex signal. *

A

Multiplexing

13
Q

____________________is the strength element of the fiber optic cable and specifically used so optical fibers are not damaged during installation. It also provides the mechanism for safely pulling the cable during installation. *

A

Aramid Yarn

14
Q

What is the name of the cable that contains gel to prevent water from entering into the fiber? *

A

loose tube cables

15
Q

Optical fiber is preferrable to copper cabling when_____________________________ *

A
  • High bandwidth is required
  • A distance longer than 100 meters is required
  • Immunity to EMI is required
16
Q

850 nm wavelengths are used for longer distances in telecom? *

A

False

17
Q

_______________________is a measure of all reflections that are caused by the impedance mismatches at all locations along the link and is expressed in decibel (dB). *

A

Return Loss

18
Q

FTTH stands for? *

A

Fiber-to-the-home

19
Q

With regards to fiber optics refraction happens because? *

A

The light slows down in a material

20
Q

Fiber Optics is *

A

Communication over thin strands of glass

21
Q

What is the purpose of the cladding on the fiber cables? *

A

To prevent light from escaping, total internal reflection

22
Q

The image below is a picture of a ________________ fiber optic connector? *

https://lh6.googleusercontent.com/b1zi0jfm-EGO11hqUW6SUPFa471Q7nzr5I3lSaMtSm1sp40qita-q0azJKKHFZCqjrXnjx_qqeXPUmseO-sP0E-PzDWQK9C9FSb7KIst8j5zc8dM-D1wQU1k1nvIqpcQrQ=w254

A

SC

23
Q

The infrared lasers used in Fiber Optics cannot be seen and are therefore not considered dangerous to the naked eye. *

A

False

24
Q

Four components are needed in order for a fiber optic system to operate. Connectors are one of the four what are the other three? *

A
  • Transmitter
  • Receiver
  • Fiber Optic cable