VDV Study Guide v1.0 QUESTIONS
WITH COMPHREHESIVE SOLUTIONS
When you are sound masking, what is white noise used for? - correct answer ✔✔ To produce
ambient noise
dB is a ratio of - correct answer ✔✔ 2 quantities
In antenna television system, what is a permitted substitution for CATVP cable? - correct answer
✔✔ BLP
Which type of cable is permitted substitution for OFNP? - correct answer ✔✔ NONE
What is the cable marking for Class 3 plenum? - correct answer ✔✔ CL3P
Dynamic Range means? - correct answer ✔✔ Between the loudest & quietest portion of a
program in decibels
Hierarchy of cables - correct answer ✔✔ CMP>CMR>CM>CMG>CMX
[820.154(B)]
Maximum untwist at connector of CAT 5E - correct answer ✔✔ .5 inch (13mm)
What type of termination for voice application? - correct answer ✔✔ 66 Block
, What system uses a one piece pass through system - correct answer ✔✔ Bixby or Bix
Which connector for CCTV is used to terminate both sides? - correct answer ✔✔ BNC
Best connector for surveillance systems? - correct answer ✔✔ BNC
Where to use bridging clips? - correct answer ✔✔ 66 block
What type of connector to use for CCTV? - correct answer ✔✔ BNC
GFCI used for safety on a jobsite can not be - correct answer ✔✔ Electrical Cord
Cold wind exposed to skin will cause - correct answer ✔✔ Frost bite
Where can you find MSDS? (Material safety data sheet) - correct answer ✔✔ Employer
What happens if you put a multimeter across a load on a de-energized parallel circuit? - correct
answer ✔✔ Reading will be resistance
How do you measure cable length? - correct answer ✔✔ TDR (Time domain reflectometer)
First step on finding resistance using a multi-meter? - correct answer ✔✔ Disconnect power
(de-energize)
What meter does not detect open or short? - correct answer ✔✔ VFL
What type of detector is microwave? - correct answer ✔✔ Motion sensor
WITH COMPHREHESIVE SOLUTIONS
When you are sound masking, what is white noise used for? - correct answer ✔✔ To produce
ambient noise
dB is a ratio of - correct answer ✔✔ 2 quantities
In antenna television system, what is a permitted substitution for CATVP cable? - correct answer
✔✔ BLP
Which type of cable is permitted substitution for OFNP? - correct answer ✔✔ NONE
What is the cable marking for Class 3 plenum? - correct answer ✔✔ CL3P
Dynamic Range means? - correct answer ✔✔ Between the loudest & quietest portion of a
program in decibels
Hierarchy of cables - correct answer ✔✔ CMP>CMR>CM>CMG>CMX
[820.154(B)]
Maximum untwist at connector of CAT 5E - correct answer ✔✔ .5 inch (13mm)
What type of termination for voice application? - correct answer ✔✔ 66 Block
, What system uses a one piece pass through system - correct answer ✔✔ Bixby or Bix
Which connector for CCTV is used to terminate both sides? - correct answer ✔✔ BNC
Best connector for surveillance systems? - correct answer ✔✔ BNC
Where to use bridging clips? - correct answer ✔✔ 66 block
What type of connector to use for CCTV? - correct answer ✔✔ BNC
GFCI used for safety on a jobsite can not be - correct answer ✔✔ Electrical Cord
Cold wind exposed to skin will cause - correct answer ✔✔ Frost bite
Where can you find MSDS? (Material safety data sheet) - correct answer ✔✔ Employer
What happens if you put a multimeter across a load on a de-energized parallel circuit? - correct
answer ✔✔ Reading will be resistance
How do you measure cable length? - correct answer ✔✔ TDR (Time domain reflectometer)
First step on finding resistance using a multi-meter? - correct answer ✔✔ Disconnect power
(de-energize)
What meter does not detect open or short? - correct answer ✔✔ VFL
What type of detector is microwave? - correct answer ✔✔ Motion sensor
