CCT4

35 Questions  I  By Morkert
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  • 1. 
    What cord delivers both audio and video?
    • A. 

      SPDIF

    • B. 

      Optical

    • C. 

      DVI

    • D. 

      HDMI


  • 2. 
    Enables multiple video and audio signals to be selected to one or more displays?
    • A. 

      Reciever

    • B. 

      Switcher

    • C. 

      Combiner

    • D. 

      Modulator


  • 3. 
    Battery length of an 8 Line eMTA with all lines in use?
    • A. 

      4 hours

    • B. 

      6 hours

    • C. 

      8 hours

    • D. 

      10 hours


  • 4. 
    Equally spaced horizontal bars are caused by?
    • A. 

      Ground

    • B. 

      Cross Modulation

    • C. 

      120 cycle hum

    • D. 

      Ingress


  • 5. 
    The noise floor which should not be crossed is?
    • A. 

      -30 dBmV

    • B. 

      -35 dBmV

    • C. 

      -40 dBmV

    • D. 

      -45 dBmV


  • 6. 
    Information for law enforcement on a phone call can be gathered by using?
    • A. 

      Call Rejection

    • B. 

      Call Blocking

    • C. 

      Call Forwarding

    • D. 

      Call Trace


  • 7. 
    The FIRST thing you do when checking a POS is?
    • A. 

      Dialtone

    • B. 

      Inbound and Outbound

    • C. 

      Polarity

    • D. 

      Outbound Phone Number


  • 8. 
    What are the 4 Troubleshooting basics?
    • A. 

      Isolate, Identify, Repair, Verify

    • B. 

      Identify, Isolate, Repair, Verify

    • C. 

      Isolate, Identify, Verify, Repair

    • D. 

      Identify, Isolate, Verify, Repair


  • 9. 
    What is the subnet mask for one static?
    • A. 

      255.255.255.250

    • B. 

      255.255.255.252

    • C. 

      255.255.255.249

    • D. 

      255.255.255.248


  • 10. 
    What is the demarcation point of Business Class Internet?
    • A. 

      The customer's LAN connection point

    • B. 

      The Network Patch Bay

    • C. 

      The customers firewall

    • D. 

      The customers 110 Block


  • 11. 
    The Gateway IP is?
    • A. 

      192.168.1.1

    • B. 

      10.0.0.1

    • C. 

      192.168.0.1

    • D. 

      10.1.10.1


  • 12. 
    What is the IEEE wireless network?
    • A. 

      801.22

    • B. 

      803.11

    • C. 

      802.11

    • D. 

      802.12


  • 13. 
    Which of these features can Business Class TV get?
    • A. 

      DVR

    • B. 

      ON-Demand

    • C. 

      HD


  • 14. 
    The 3 learning styles are?
    • A. 

      Visual, Physical, Mental

    • B. 

      Auditory, Tactile, and Visual

    • C. 

      Auditory, Visual, Physical

    • D. 

      Visual, Tactile, Physical


  • 15. 
    The cumulative effect of return path distortions added to the signal at various locations in the coaxial portion of the network is called? 
    • A. 

      CLI

    • B. 

      Ingress

    • C. 

      Reflections

    • D. 

      Funneling Effect


  • 16. 
    All of these are benefits of a HFC architecture over a tree and branch system EXCEPT?
    • A. 

      Lower Costs

    • B. 

      Faster Speeds

    • C. 

      Less Amps

    • D. 

      Equal Speeds for customers


  • 17. 
    The majority of the ingress occurs?
    • A. 

      Between the tap and the ground block

    • B. 

      Between the CPE and the tap

    • C. 

      Between the CPE and the ground block

    • D. 

      Between the node and the tap


  • 18. 
    An 8 Line eMTA connector is?
    • A. 

      RJ-31x

    • B. 

      RJ-45x

    • C. 

      RJ-21x

    • D. 

      RJ-14x


  • 19. 
    To view your bill online go to?
    • A. 

      Https://www.comcast.com/mybill/businessclassvoice

    • B. 

      Https://www.mybill.com/index.asp?startbusinessclassvoice

    • C. 

      Https://www.bill.comcast.com/businessclassvoice

    • D. 

      Https://www.mycomcast.com/bill/businessclassvoice


  • 20. 
    To access voicemail online?
    • A. 

      Http://www.comcast.net/digitalvoicecenter

    • B. 

      Http://www.comcast.com/cdv

    • C. 

      Http://www.comcast.net/voicemail

    • D. 

      Http://www.comcast.com/digitalvoice


  • 21. 
    How far away do you test for leakage?
    • A. 

      10 feet

    • B. 

      3 meters

    • C. 

      6 feet

    • D. 

      2 meters


  • 22. 
    What boosts signal in a wireless network?
    • A. 

      Range extenders

    • B. 

      Signal boosters

    • C. 

      Signal extenders

    • D. 

      Range boosters


  • 23. 
    What blocks the ability for a hacker to gain access to your computer network?
    • A. 

      Switch

    • B. 

      Router

    • C. 

      Firewall

    • D. 

      Gateway


  • 24. 
    What is the LAST thing you do on a job?
    • A. 

      Clean up garbage and tools

    • B. 

      Send hits to equipment

    • C. 

      Get signature and discuss work performed

    • D. 

      Collect COD


  • 25. 
    What connections are used for input on a RJ-31x?
    • A. 

      2 and 7

    • B. 

      3 and 6

    • C. 

      1 and 8

    • D. 

      4 and 5


  • 26. 
    What is used to correct error rates?
    • A. 

      Head End

    • B. 

      Forward Error Correction

    • C. 

      Modem

    • D. 

      Amps


  • 27. 
    What places baseband signal onto standard RF channel carriers?
    • A. 

      Combiner

    • B. 

      Switch

    • C. 

      DCT

    • D. 

      Video Modulator


  • 28. 
    What connects building data wiring to the ethernet switch?
    • A. 

      Router

    • B. 

      Network Patch Bay

    • C. 

      Firewall

    • D. 

      Modem


  • 29. 
    The return path frequency is between?
    • A. 

      0-35 MHz

    • B. 

      15-50 MHz

    • C. 

      5-42 MHz

    • D. 

      10-40 MHz


  • 30. 
    The FIRST thing to do when there is no power to device is?
    • A. 

      Check for voltage

    • B. 

      Check battery

    • C. 

      Check coax

    • D. 

      Check amp


  • 31. 
    What happens when dissimilar metals come in contact and cause beats in both the forward and reverse spectrum?
    • A. 

      Funneling effect

    • B. 

      CPE

    • C. 

      NAS

    • D. 

      CPD


  • 32. 
    An 8 port tap is represented by a?
    • A. 

      Circle

    • B. 

      Square

    • C. 

      Octagon

    • D. 

      Hexagon


  • 33. 
    A tapping device in a mini headend?
    • A. 

      Deletion filter

    • B. 

      Channel insertion

    • C. 

      DCT

    • D. 

      Pad


  • 34. 
    How many people can a small to medium sized business serve?
    • A. 

      50-100

    • B. 

      5-40

    • C. 

      25-75

    • D. 

      5-50


  • 35. 
    What is our time to repair on a commercial TC?
    • A. 

      2 hours

    • B. 

      3 hours

    • C. 

      4 hours

    • D. 

      5 hours


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