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Tom BICSI

QUIZ 11

QuestionAnswer
Effective troubleshooting requires experience, knowledge, patience and skill.? True
Troubleshooting is an investigative process.? True
Cable attenuation never increases with signal frequency.? False
Restoration is the process of returning the circuit to an operation condition that is acceptable to the user.?False
The troubleshooting process for optical fiber cable is more complex than for copper cable.? False
A power meter is capable of measuring multimode wavelengths but not singlemode wavelengths.? False
What is the first step for troubleshooting? a. Perform a visual inspection b. Contact the end user c. Gather relevant information d. Complete all actions C
What type of tester tests for opens, shorts, crossed pairs and improper wiring? a. Wire map tester b. Handheld cable tester c. Certification test set d. Cable trace A
What type of fiber optic cable tester can locate faults such as breaks, excessive cable bends and poorly installed connectors? a. Light source and optical power meter b. OTDR c. Optical flashlight d. IR conversion card B
What type of test equipment will simulate the user’s telephone equipment? a. OTDR b. Tone generator c. Multimeter d. Telephone test set D
What type of documentation will ease the job of troubleshooting? a. Cable diagrams b. Description of equipment attached to cabling c. Certification test data d. All of the above are correct D
Troubleshooter must be familiar with which of the following? a. NEC b. ANSI/TIA/EIA cabling standards c. Optical fiber and light theory d. All of the above are correct D
Troubleshooting a customer’s problem is a copper cabling system involves _____ steps.? a. 2 b. 3 c. 4 d. 5 C
Which of the following is not one of the four steps for troubleshooting a copper cabling system? a. Verify the problem b. Select the test equipment c. Isolate the source of the problem d. Repair the problem e. Test the repaired system B
What is the formula for calculating ACR? a. Loss – attenuation b. NEXT – attenuation c. NEXT – FEXT d. NEXT – PS NEXT B
Excessive NEXT can be attributed to which of the following? a. Wrong grade of cable b. Improper termination practices c. Split pairs d. All of the above are correct D
Which of the following wiring problems is characterized by the tip of one pair is terminated with the ring wire of a different pair? a. Short b. Crossed pair c. Reversed pair d. Split pair D
_____ is unwanted electrical activity that interferes with the desired signal transmission.? a. Attenuation b. NEXT c. Noise d. Capacitance C
_____ is unwanted electrical activity that interferes with the desired signal transmission.? a. Attenuation b. NEXT c. Noise d. Capacitance C
What is the standard for optical power loss measurements of installed multimode optical fiber cable? a. ANSI/TIA/EIA-568-B.3 b. ANSI/TIA/EIA-514-14A c. ANSI/TIA/EIA-526-14A d. ANSI/TIA/EIA-526-7 C
What is the wavelength of the visible light source? a. 660 nm b. 760 nm c. 850 nm d. 1300 nm A
A multimode light source provides an output of ____ or _____.? a. 660 or 760 nm b. 760 or 850 nm c. 850 or 1300 nm d. 1300 or 1550 nm C
A singlemode light source provides an output of ____ or _____. a. 660 or 760 nm b. 760 or 850 nm c. 850 or 1300 nm d. 1310 or 1550 nm D
What is a trait of a good troubleshooter? a. Skill b. Knowledge c. Patience d. All of the above e. None of the above D
What is a question that a troubleshooter might ask the user? a. Has it ever worked? b. Has it been tested? c. Do you believe it is cable related? d. Are there specific events that made the problems start? e. All of the above E
What techniques will help identify problems without the help of any tools? a. Visual/physical inspection b. Monitoring system performance over time c. Asking the right questions d. Both a and c e. All of the above D
What might cause insertion loss on copper cables? a. Temperature b. Wrong grade of cable c. Excessive length d. a, b, and c e. None of the above D
What might cause excessive NEXT? a. Excessive temperatures b. Bad termination techniques c. Substandard components d. b or c e. All of the above D
What can cause high attenuation in optical fiber installations? a. Cable quality or splices b. Cable length or patch cables c. Cable kinks or couplers d. Connectors or splices e. Any of the above E
Created by: atilior
 

 



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