Lesson 4 Test

Radars and Light Sabers - How Fibers are Tested

  Student Name



    1. The optical tool VLS stands for:   a. verify proper splice  
          b. visual parts sorter  
          c. visible light source  
          d. none of the above  
    2. Singlemode Fiber Optic Patchcords:   a. are yellow  
          b. can have the same connectors on each end  
          c. can have different connectors on each end  
          d. all of the above  
    3. EML=   a. expected measured loss  
          b. exceptional measured loss  
          c. expected mean limit  
          d. ever met larry?  
    4. A Optical Light Source:   a. can be used as a flashlight  
          b. transmits a varirty of wavelengths  
          c. measures a variety of wavelengths  
          d. helps you read in bed at night  
    5. Insertion Loss for singlemode fiber is:   a. dependant upon temperature  
          b. 0.25 dB per kilometer  
          c. 0.25 dB per kilofoot  
          d. 0.25 dBm per kilometer  
    6. What quantity honors the name of Heinrich Hertz?   a. the heimlich maneuver  
          b. Voltage  
          c. Resistance  
          d. wave cycles per second/Frequency  
    7. The wavelength of 100 MHz =   a. 300,000,000 meters  
          b. 300,000 meters  
          c. 3 meters  
          d. none of the above  
    8. A signal level of 0.00 dBm:   a. its zero, so has no energy  
          b. is a pretty strong signal and can be measured  
          c. has no frequency  
          d. must have a minus sign  
    9. An OTDR:   a. displays events along an optical fiber  
          b. can measure splice loss  
          c. can "see" thru fiber connectors  
          d. all of the above  
    10. What is a dead zone?   a. another name for graveyard  
          b. blind spot for some OTDR's  
          c. the far end of a fiber under test  
          d. where zombies live- run away fast!  
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