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IP Voice (NCTI) Practice Exam Questions With Correct Answers 2023
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IP Voice (NCTI) Practice Exam Questions With Correct Answers 2023
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IP Voice (NCTI) Practice Exam QuestionsWith Correct Answers 2023
What is the network system to which the gateway at the cable modem termination
system (CMTS) is connected? - AnswerThe public switched telephone network (PSTN)
Which calling feature allows customers to prevent the reception (ringing) of calls from
specified telephone numbers? - AnswerCall block
An IP Voice installation requires a specific downstream signal level to work properly.
What should the level of the IP Voice downstream carrier be? - AnswerBetween -15
dBmV and +15 dBmV
Which of the following statements about wires, cords, and modular connectors is
correct? - AnswerModular connectors are designed to accept either solid or stranded
wire, but not both
Which of the following twisted-pair cables is rated for a maximum data rate of 10 Mbps?
- AnswerCAT-3
What is the most common wiring scheme in residential applications due to its backward
compatibility with telephone wiring standards? - AnswerT568A
You examine both ends of a twisted-pair cable and see that pin 1 on the connector at
one end of the cable is a white/green wire, and pin 1 on the connector at the other end
of the cable is a white/orange wire. What type of wiring scheme is this? - AnswerT568A
crossover
In a T568A straight-through wiring scheme, what color is pin 5? - AnswerWhite/Blue
How do you tell which wiring scheme is being used in an 8P8C RJ-45 plug? -
AnswerLook at the wire colors
What tool should you use to attach the wires to the IDCs of an RJ-45 jack? -
AnswerPunch-down tool
Before you head out to the customer's location, you must pick up the appropriate
equipment and supplies. What should you do before you drive to the customer's
location? - AnswerDouble-check the equipment against your work orders
Why is it important to keep a company vehicle well stocked with the required supplies
and equipment? - AnswerTo ensure installations can be completed
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