IP Voice (NCTI)
What is the network system to which the gateway at the cable modem
termination system (CMTS) is connected? Correct Ans - The public
switched telephone network (PSTN)
Which calling feature allows customers to prevent the reception (ringing) of
calls from specified telephone numbers? Correct Ans - Call 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?
Correct Ans - Between -15 dBmV and +15 dBmV
Which of the following statements about wires, cords, and modular
connectors is correct? Correct Ans - Modular 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? Correct Ans - CAT-3
What is the most common wiring scheme in residential applications due to its
backward compatibility with telephone wiring standards? Correct Ans -
T568A
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? Correct Ans - T568A crossover
In a T568A straight-through wiring scheme, what color is pin 5? Correct
Ans - White/Blue
How do you tell which wiring scheme is being used in an 8P8C RJ-45 plug?
Correct Ans - Look at the wire colors
What tool should you use to attach the wires to the IDCs of an RJ-45 jack?
Correct Ans - Punch-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? Correct Ans - Double-check the equipment
against your work orders
Why is it important to keep a company vehicle well stocked with the required
supplies and equipment? Correct Ans - To ensure installations can be
completed
What is impacted by your vehicle's appearance, how it is driven, and how it is
parked? Correct Ans - Customer relations
What should you do before you enter the customer premises? Correct Ans
- Put on boot covers
It's important to be safe and courteous when you park your vehicle. Where is
the best place to park your vehicle? Correct Ans - Along the curb,
where you can pull forward
Which of the following actions are appropriate when first approaching the
customer? Correct Ans - Verify the service to be performed during this
visit
You need to access the tap that is in the neighbor's fenced backyard, but the
neighbor refuses to grant permission to enter their backyard. What is the best
policy to follow? Correct Ans - Comply with the neighbor's wishes and
notify your supervisor
What happens when a customer's telephone number is ''ported''? Correct
Ans - It is retained in the new IP Voice installation.
What should you advise the customer before beginning installation of IP
Voice? Correct Ans - That service disruptions may occur.
Which of the following is considered the golden rule of customer service?
Correct Ans - Treat customers the way you would like to be treated
You discover that an amplifier is blocking the return path. What type of
amplifier is it? Correct Ans - A one-way house amplifier
What is the network system to which the gateway at the cable modem
termination system (CMTS) is connected? Correct Ans - The public
switched telephone network (PSTN)
Which calling feature allows customers to prevent the reception (ringing) of
calls from specified telephone numbers? Correct Ans - Call 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?
Correct Ans - Between -15 dBmV and +15 dBmV
Which of the following statements about wires, cords, and modular
connectors is correct? Correct Ans - Modular 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? Correct Ans - CAT-3
What is the most common wiring scheme in residential applications due to its
backward compatibility with telephone wiring standards? Correct Ans -
T568A
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? Correct Ans - T568A crossover
In a T568A straight-through wiring scheme, what color is pin 5? Correct
Ans - White/Blue
How do you tell which wiring scheme is being used in an 8P8C RJ-45 plug?
Correct Ans - Look at the wire colors
What tool should you use to attach the wires to the IDCs of an RJ-45 jack?
Correct Ans - Punch-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? Correct Ans - Double-check the equipment
against your work orders
Why is it important to keep a company vehicle well stocked with the required
supplies and equipment? Correct Ans - To ensure installations can be
completed
What is impacted by your vehicle's appearance, how it is driven, and how it is
parked? Correct Ans - Customer relations
What should you do before you enter the customer premises? Correct Ans
- Put on boot covers
It's important to be safe and courteous when you park your vehicle. Where is
the best place to park your vehicle? Correct Ans - Along the curb,
where you can pull forward
Which of the following actions are appropriate when first approaching the
customer? Correct Ans - Verify the service to be performed during this
visit
You need to access the tap that is in the neighbor's fenced backyard, but the
neighbor refuses to grant permission to enter their backyard. What is the best
policy to follow? Correct Ans - Comply with the neighbor's wishes and
notify your supervisor
What happens when a customer's telephone number is ''ported''? Correct
Ans - It is retained in the new IP Voice installation.
What should you advise the customer before beginning installation of IP
Voice? Correct Ans - That service disruptions may occur.
Which of the following is considered the golden rule of customer service?
Correct Ans - Treat customers the way you would like to be treated
You discover that an amplifier is blocking the return path. What type of
amplifier is it? Correct Ans - A one-way house amplifier
