Traditional Voice

10 Questions

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Voice Quizzes & Trivia

How much legacy voice do you know? There may be more than one answer required. 15minutes to complete. 80% to pass!


Questions and Answers
  • 1. 
      What is the maximum number of voice channels can you have as standard on a single premium rate ISDN connection?
    • A. 

      8

    • B. 

      2

    • C. 

      30

    • D. 

      1

  • 2. 
    Which of the following are NOT functions of an IN? (pick 2)
    • A. 

      Geographic number translation

    • B. 

      Non geographic number translation

    • C. 

      Premium rate number translation

    • D. 

      Inter-carrier number translation

  • 3. 
    What is the purpose of a carrier interconnect?
    • A. 

      To pass voice traffic to an end customer

    • B. 

      To pass voice traffic between a carriers different exchanges

    • C. 

      To pass voice traffic between two different carriers

    • D. 

  • 4. 
    What type of underlying circuit would be used to carry an ISDN30 service?
    • A. 

      X.21

    • B. 

      T1

    • C. 

      E1

    • D. 

      Q931

    • E. 

      PSTN

  • 5. 
    If a 2Mb/s circuit actually runs at 2048Kb/s (which it does). And each voice channel is 64Kb/s (which it is) what are the two remaining channels used for?
    • A. 

      Timing and billing

    • B. 

      Billing and signaling

    • C. 

      Signaling and reserved for future use

    • D. 

      Reserved for future use and timing

    • E. 

      Timing and signaling

  • 6. 
    Which of the following is NOT a form of indirect access?
    • A. 

      Indirect access (IDA)

    • B. 

      Carrier preselect (CPS)

    • C. 

      Manual digit dialing

    • D. 

      PBX least cost routing programming

    • E. 

      Use of a BT tail circuit

  • 7. 
    Which of the following are not a signaling type supported by PUBLIC telephone switches/exchanges? select 2
    • A. 

      DASS2

    • B. 

      E1

    • C. 

      DPNSS

    • D. 

      ISDN

    • E. 

      Q931

  • 8. 
    Which of the following options would represent the most difficult opportunity?
    • A. 

      An existing BT FeatureNet customer for number porting

    • B. 

      An existing Colt customer for non geographic number porting

    • C. 

      An existing C&W customer for geographic number porting

    • D. 

      An existing BT customer for geographic porting

    • E. 

      An existing Verizon customer for non geographic number porting

  • 9. 
    What type of connection should be sold to a customer requesting a connection for  DPNSS or QSIG? And which additional information is required?
    • A. 

      Q931 - Additional information, B end address

    • B. 

      E1 - Additional information, A and B end address

    • C. 

      2mb/s - Additional information, A end address only

    • D. 

      Q931 - Additional information A and B end address

    • E. 

      E1 - Additional information, B end address only

  • 10. 
    Which one of the following cannot support 30 voice channels?
    • A. 

      Premium rate ISDN

    • B. 

      DPNSS

    • C. 

      Q931

    • D. 

      Euro ISDN

    • E. 

      Basic rate ISDN