Commercial Cabling Systems – Testing, Troubleshooting and Certification Final Exam
Now that you have finished reviewing all course material, it’s time to take the final exam. You must score 70% or higher to pass this exam. You will have an unlimited number of attempts to pass and there is no time limit for each attempt. Once you pass, you will receive a certificate of completion. Good luck!
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Question 1 of 20
1. Question
The process of testing communication cables includes all of the following steps EXCEPT:
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Question 2 of 20
2. Question
_____ are simple testing devices that are only used to either identify or locate communication cables.
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Question 3 of 20
3. Question
Category 6 balanced twisted pair cable is rated up to a frequency of ____ MHz.
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Question 4 of 20
4. Question
The maximum cabling distance for all types of cables installed in the permanent link is ______.
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Question 5 of 20
5. Question
What is the The maximum cable distances for Balanced Twisted Pair cable from the main cross- connect (MC) to a TR?
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Question 6 of 20
6. Question
To accurately calculate the distance of the cable, the speed of the transmitted signal traveling in the cable must be known. The speed that a signal travels in a cable is known as the _____.
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Question 7 of 20
7. Question
The formula for determining the ACR is:
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Question 8 of 20
8. Question
_______ is a measure of the total crosstalk energy that can be measured on a non-active cable pair when more than one pair is active or being used simultaneously.
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Question 9 of 20
9. Question
Which of the following is NOT a cause of a low NEXT rating on a balanced twisted pair cable?
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Question 10 of 20
10. Question
What is the primary standard for defining performance specifications for fiber cable and components?
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Question 11 of 20
11. Question
What is the standard for measurement for fiber or cable attenuation using an OTDR tester?
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Question 12 of 20
12. Question
Singlemode optical fiber cables should be tested at both ______ and ______ wavelengths.
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Question 13 of 20
13. Question
The ANSI/TIA-568-C.3 standard specifies that singlemode optical fiber cable shall exhibit a maximum of _____ dB/km at 1310 and 1550 nm for tight buffer cable.
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Question 14 of 20
14. Question
What is the maximum length for an optical fiber horizontal channel specified by the ANSI/TIA-568-C.3 standard?
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Question 15 of 20
15. Question
Multimode optical fiber backbone link segments should be installed in a hierarchical star topology and limited to a maximum of _____ from the main cross-connect to a horizontal cross-connect.
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Question 16 of 20
16. Question
Singlemode optical fiber backbone link segments should be installed in a hierarchical star topology and limited to a maximum distance of ______ from the main cross-connect to an intermediate cross-connect.
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Question 17 of 20
17. Question
Visual cable tracers and fault locators can be used on optical link segments that are up to _____ km in length.
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Question 18 of 20
18. Question
Optical attenuation or power loss is given in what unit of measure?
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Question 19 of 20
19. Question
What is the name of the backscatter caused by connectors and splices in a fiber optic link?
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Question 20 of 20
20. Question
What is the name for reflections on the OTDR trace that shows up beyond the end of the cable?