RCDD Chapter 5 Backbone Distribution Systems

100 Questions | Total Attempts: 134

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Distribution System Quizzes & Trivia

Registered Communications Distribution Designer (RCDD)


Questions and Answers
  • 1. 
    Cable manufactured with fiberglass rods or aramid yarn are known as what?
    • A. 

      Singlemode cables

    • B. 

      Multimode cables

    • C. 

      All-dielectric cables

    • D. 

      Tight-buffered cables

    • E. 

      Loose-tube cables

  • 2. 
    Nonconductive backbone optical fiber cables shall have a minimum bend radius of ___ times the cable's outside diameter when under no load and ___ times the cable's outside diameter when being pulled.
    • A. 

      5,10

    • B. 

      10,15

    • C. 

      6,12

    • D. 

      2,3

  • 3. 
    Conductive backbone optical fiber cables shall have a minimum bend radius of ____ times the cable's outside diameter when under no load and ____ times the cable's outside diameter when being pulled. 
    • A. 

      10,15

    • B. 

      5,10

    • C. 

      10,30

    • D. 

      10,20

  • 4. 
    What are the basic methods to terminate optical fiber cables?
    • A. 

      Pigtail splicing

    • B. 

      Field connectorizing

    • C. 

      Installation of preconnectorized assemblies

    • D. 

      All the above

  • 5. 
    An optical fiber pigtail is an optical fiber cable that is:
    • A. 

      Factory-connectorized on one end with an optical fiber connector

    • B. 

      Orange

    • C. 

      Yellow

    • D. 

      Unterminated at the other end.

  • 6. 
    Conductive optical fiber plenum cable = what fiber cable marking
    • A. 

      OFNP

    • B. 

      OFCP

    • C. 

      OFNR

    • D. 

      OFCR

    • E. 

      OFN, OFNG

  • 7. 
    Nonconductive optical fiber riser cable = what cable marking?
    • A. 

      OFNP

    • B. 

      OFCP

    • C. 

      OFNR

    • D. 

      OFCR

    • E. 

      OFN,OFNG

  • 8. 
    Nonconductive optical fiber plenum cable = what fiber cable marking?
    • A. 

      OFNP

    • B. 

      OFCP

    • C. 

      OFNR

    • D. 

      OFCR

    • E. 

      OFN,OFNG

  • 9. 
    Conductive optical fiber riser cable = what cable marking?
    • A. 

      OFNP

    • B. 

      OFCP

    • C. 

      OFNR

    • D. 

      OFCR

    • E. 

      OFN,OFNG

  • 10. 
    Nonconductive optical fiber cable = what cable markings?
    • A. 

      OFNP

    • B. 

      OFCP

    • C. 

      OFNR

    • D. 

      OFCR

    • E. 

      OFN, OFNG

  • 11. 
    Conductive optical fiber cable = what cable markings
    • A. 

      OFCP

    • B. 

      OFNR

    • C. 

      OFCR

    • D. 

      OFN, OFNG

    • E. 

      OFC, OFCG

  • 12. 
    OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFNP ARE ?
    • A. 

      OFNP

    • B. 

      OFNP

    • C. 

      OFNR, OFCP, OFNP

    • D. 

      OFNR, OFNP

    • E. 

      NONE

  • 13. 
    OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFCP ARE ?
    • A. 

      NONE

    • B. 

      OFNR, OFCP, OFNP

    • C. 

      OFNP

  • 14. 
    OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFNR ARE ?
    • A. 

      NONE

    • B. 

      OFNG, OFN, OFCR, OFNR, OFCP, OFNP

    • C. 

      OFNP

    • D. 

      OFNR, OFCP, OFNP

  • 15. 
    OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFCR ARE?
    • A. 

      NONE

    • B. 

      OFNP

    • C. 

      OFNG, OFN, OFCR, OFNR, OFCP, OFNP

    • D. 

      OFNR, OFCP, OFNP

    • E. 

      OFNR, OFNP

  • 16. 
    OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFN, OFNG ARE?
    • A. 

      OFNG, OFN, OFCR, OFNR, OFCP, OFNP

    • B. 

      OFNP

    • C. 

      OFNR, OFNP

    • D. 

      OFNP

  • 17. 
    OPTICAL FIBER CABLE SUBSTITUTIONS FOR OFC, OFCG ARE?
    • A. 

      OFNP

    • B. 

      OFNR, OFNP

    • C. 

      OFNG, OFN, OFCR, OFNR, OFCP, OFNP

    • D. 

      OFNR, OFNP

  • 18. 
    BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS PLENUM CABLE ARE ?
    • A. 

      CMP

    • B. 

      CMR

    • C. 

      CM, CMG

    • D. 

      CMX LIMITED USE

    • E. 

      CMUC

  • 19. 
    BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS RISER CABLE ARE?
    • A. 

      CMX, LIMITED USE

    • B. 

      CMP

    • C. 

      CM, CMG

    • D. 

      CMUC

    • E. 

      CMR

  • 20. 
    BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS CABLE ARE?
    • A. 

      CMP

    • B. 

      CMUC

    • C. 

      CMX, LIMITED USE

    • D. 

      CM, CMG

    • E. 

      CMR

  • 21. 
    BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS LIMITED USE CABLE ARE?
    • A. 

      CMUC

    • B. 

      CMX, LIMITED USE

    • C. 

      CMP

    • D. 

      CM, CMG

    • E. 

      CMR

  • 22. 
    BALANCED TWISTED-PAIR CABLE MARKINGS FOR COMMUNICATIONS UNDERCARPET CABLE ARE?
    • A. 

      CMP

    • B. 

      CMR

    • C. 

      CM, CMG

    • D. 

      CMX, LIMITED USE

    • E. 

      CMUC

  • 23. 
    WHAT IS THE PERMITTED SUBSTITUTIONS FOR CMR CABLE TYPE?
    • A. 

      CMP, CMR

    • B. 

      CMP, CMR, CM, CMG

  • 24. 
    In some cases, horizontal optical fibers may be extended through backbone pathways.  However, this may not be possible because the horizontal cables may what?
    • A. 

      May need to be rated for riser use (in some areas)

    • B. 

      Much more costly to install

    • C. 

      Can take up too much space in the backbone pathway.

  • 25. 
    WHAT IS THE PERMITTED SUBSTITUTIONS FOR CMX CABLE TYPE?
    • A. 

      CMP, CMR

    • B. 

      CMP, CMR, CM, CMG

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