3D151 Vol. 3

86 Questions | Total Attempts: 2007

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3D151 Quizzes & Trivia

Questions and Answers
  • 1. 
    What condition occurs when a signal is induced into one circuit from another?
    • A. 

      Noise

    • B. 

      Jabber

    • C. 

      Crosstalk

    • D. 

      Intelligence

  • 2. 
    What cabling is the most commonly used?
    • A. 

      Unshielded twisted pair (UTP).

    • B. 

      Screened twisted pair (ScTP).

    • C. 

      Shielded twisted pair (STP).

    • D. 

      Foiled twisted pair (FTP).

  • 3. 
    Which category (Cat) of cable can support data rates up to 100Mbps?
    • A. 

      Cat 3

    • B. 

      Cat 5

    • C. 

      Cat 6

    • D. 

      Cat 5E

  • 4. 
    Which principle is not addressed in the ANSI/TIA/EIA–568–B standard?
    • A. 

      Minimum requirements for telecomunications cabling.

    • B. 

      Life span of a telecommunications cabling system.

    • C. 

      Connecting hardware performance specifications.

    • D. 

      Color of the cable.

  • 5. 
    Which principle is not addressed in the ANSI/TIA/EIA–568–B standard?
    • A. 

      Connector and pin assignment.

    • B. 

      Subsystems of structured cabling.

    • C. 

      Installation methods and practices.

    • D. 

      Recommended wireless topology and distances.

  • 6. 
    Which TIA/EIA parameter test is a measure of the decrease of signal strength as it travels down the media?
    • A. 

      Absorption loss.

    • B. 

      Insertion loss.

    • C. 

      Penetration loss.

    • D. 

      Return loss.

  • 7. 
    Which TIA/EIA parameter test is a measure of the unwanted signal coupling from a transmitter at the near-end into a neighboring (non-energized) pair measured at the near-end?
    • A. 

      Near-end crosstalk (NEXT).

    • B. 

      Powersum near-end crosstalk (PSNEXT).

    • C. 

      Powersum alien near-end crosstalk (PSANEXT).

    • D. 

      Powersum insertion loss to alien crosstalk ratio far-end (PSAACRF).

  • 8. 
    Which TIA/EIA parameter test is a measure of the degree of impedance mismatch between two impedances?
    • A. 

      Absorption loss.

    • B. 

      Insertion loss.

    • C. 

      Penetration loss.

    • D. 

      Return loss.

  • 9. 
    Which subsystem of the ANSI/TIA/EIA–568-B structured cabling system provides the point at which outdoor cabling interfaces with the intrabuilding backbone cabling?
    • A. 

      Entrance facility.

    • B. 

      Equipment room.

    • C. 

      Commercial demark.

    • D. 

      Telecommunications room.

  • 10. 
    What cabling system subsystem provides any or all of the functions of a telecommunications room?
    • A. 

      Entrance facility.

    • B. 

      Equipment room.

    • C. 

      Systems room.

    • D. 

      Work area.

  • 11. 
    Which subsystem of the ANSI/TIA/EIA–568–B structured cabling can be used for connections between floors?
    • A. 

      Intra cabling.

    • B. 

      Backbone cabling.

    • C. 

      Vertical cabling.

    • D. 

      Horizontal cabling.

  • 12. 
    Which subsystem of the ANSI/TIA/EIA–568–B structured cabling can be used to interconnect buildings?
    • A. 

      Intra cabling.

    • B. 

      Backbone cabling.

    • C. 

      Vertical cabling.

    • D. 

      Horizontal cabling.

  • 13. 
    Which subsystem of the ANSI/TIA/EIA–568–B structured cabling extends from the telecommunications room to the work area telecommunications information outlets?
    • A. 

      Intra cabling.

    • B. 

      Backbone cabling.

    • C. 

      Vertical cabling.

    • D. 

      Horizontal cabling.

  • 14. 
    Which subsystem of the ANSI/TIA/EIA–568–B structured cabling recognizes multimode cable?
    • A. 

      Intra cabling.

    • B. 

      Backbone cabling.

    • C. 

      Vertical cabling.

    • D. 

      Horizontal cabling.

  • 15. 
    The work area of the ANSI/TIA/EIA–568–B structured cabling system consists of all except which components?
    • A. 

      Patch cables.

    • B. 

      Adapters.

    • C. 

      Patch panels.

    • D. 

      Station equipment.

  • 16. 
    Which ANSI/TIA/EIA standard defines labeling cables and patch panels?
    • A. 

      606–A.

    • B. 

      666–A.

    • C. 

      568–A.

    • D. 

      568–B.

  • 17. 
    What Air Force Systems Security Instruction (AFSSI) directs implementation of protected distribution systems?
    • A. 

      33–202.

    • B. 

      7700.

    • C. 

      7703.

    • D. 

      7007.

  • 18. 
    Which method is not a means for secure telecommunications?
    • A. 

      Using Defense Courier Service.

    • B. 

      Using protected distribution system.

    • C. 

      Using communications security equipment.

    • D. 

      Using intrusion detection optical communications system.

  • 19. 
    In the RED/BLACK concept, what type of traffic do RED lines carry?
    • A. 

      Encrypted classified.

    • B. 

      Encrypted unclassified.

    • C. 

      Unencrypted classified.

    • D. 

      Unencrypted unclassified.

  • 20. 
    The RED/BLACK concept has which two parts?
    • A. 

      Physical separation and electromagnetic separation.

    • B. 

      Electromagnetic separation and electrical separation.

    • C. 

      Physical separation and electrical separation.

    • D. 

      Physical separation and emission separation.

  • 21. 
    TEMPEST is
    • A. 

      An unclassified term and a US Government code word that identifies an unclassified set of standards.

    • B. 

      An unclassified term and a US Government code word that identifies a classified set of standards.

    • C. 

      A classified term and a US Government code word that identifies an unclassified set of standards.

    • D. 

      A classified term and a US Government code word that identifies a classified set of standards.

  • 22. 
    What is the purpose of the TEMPEST program?
    • A. 

      Eliminate all instances of radiation of electrical impulses.

    • B. 

      Reduce the chances of radiation of electrical impulses.

    • C. 

      Improve the signal of radiation of electrical impulses.

    • D. 

      Increase the range of radiation of electrical impulses.

  • 23. 
    What is the TEMPEST program in the Air Force called?
    • A. 

      Communications Security.

    • B. 

      Transmission Security.

    • C. 

      Emission Security.

    • D. 

      Computer Security.

  • 24. 
    What area is described as the complete building or facility area under direct physical control within which unauthorized persons are denied unrestricted access and are either escorted by authorized persons or are under continuous physical or electronic surveillance?
    • A. 

      Controlled Access Area (CAA).

    • B. 

      Restricted Access Area (RAA).

    • C. 

      Limited-Control Area (LCA).

    • D. 

      Uncontrolled Access Area (UAA).

  • 25. 
    Protected distribution systems (PDS) require which scheduled inspections?
    • A. 

      Communications security inspections.

    • B. 

      Separation inspections.

    • C. 

      Line route inspections.

    • D. 

      Electrical inspections.