Question 1

Which of the following cables is used to connect a telephone key set to a wall outlet?

Accepted Answer

A) 66-block 
B) Coaxial cable 
C) Satin cord 
D) TDR 
A) 66-block 
B) Coaxial cable 
C) Satin cord 
D) TDR

Question 2

Which of the following is the unit used to measure the capacity of a line conditioner?

Accepted Answer

A) Volt 
B) Ohm 
C) Decibel 
D) Lumen 
A) Volt 
B) Ohm 
C) Decibel 
D) Lumen

Question 3

Which of the following channels on a video line has the greatest loss in a VHF system?

Accepted Answer

A) 10 
B) 40 
C) 25 
D) 13 
A) 10 
B) 40 
C) 25 
D) 13

Question 4

You are troubleshooting an issue with an incandescent lamp. The incandescent lamp brightens or dims when other fixtures are turned ON or OFF. Which of the following should you do to fix this problem?

Accepted Answer

A) Check the neutral connection in the main electrical panel. 
B) Check circuit to correct over voltage situation. 
C) Check the wattage of the lamp and match it to the fixture. 
D) Replace the lamp. 
A) Check the neutral connection in the main electrical panel. 
B) Check circuit to correct over voltage situation. 
C) Check the wattage of the lamp and match it to the fixture. 
D) Replace the lamp.

Question 5

You have connected the conductors of a wire pair to different pins of a terminator at each end of a cable. Which of the following refers to this condition?

Accepted Answer

A) Reversed pair 
B) Crossed pair 
C) Open circuit 
D) Short circuit 
A) Reversed pair 
B) Crossed pair 
C) Open circuit 
D) Short circuit

Question 6

Which of the following connector types is used to connect a security system control panel to a telephone interface?

Accepted Answer

A) RJ-31x 
B) RJ-11x 
C) RJ-21 
D) RJ-45 
A) RJ-31x 
B) RJ-11x 
C) RJ-21 
D) RJ-45

Question 7

Which of the following specifies the maximum transmission range of an indoor 802.11b network access point?

Accepted Answer

A) 150 feet 
B) 50 feet 
C) 500 feet 
D) 200 meters 
A) 150 feet 
B) 50 feet 
C) 500 feet 
D) 200 meters

Question 8

Which of the following is the dB signal loss per 100 feet for a RG6 coaxial cable?

Accepted Answer

A) 10 
B) 12 
C) 4 
D) 6 
A) 10 
B) 12 
C) 4 
D) 6

Question 9

What topology is most commonly associated with an Infrastructure operating mode?

Accepted Answer

A) IBSS 
B) BSS 
C) ESS 
D) XSS 
A) IBSS 
B) BSS 
C) ESS 
D) XSS

Question 10

Which of the following audio/video cables includes carriers for positive, negative, and grounding signals?

Accepted Answer

A) STP 
B) UTP 
C) Parallel pair 
D) Balanced 
A) STP 
B) UTP 
C) Parallel pair 
D) Balanced

Question 11

Which of the following is a home system protocol that can be used to integrate a computer network with home control controllers?

Accepted Answer

A) MAN 
B) HAN 
C) CAN 
D) WAN 
A) MAN 
B) HAN 
C) CAN 
D) WAN

Question 12

Which of the following is a power connector?

Accepted Answer

A) Lug 
B) Receptacle 
C) Molded cable 
D) Backboard 
A) Lug 
B) Receptacle 
C) Molded cable 
D) Backboard

Question 13

What is the impedance of a 10 ohm and 20 ohm speaker wired in parallel?

Accepted Answer

A) 2)66 Ohms 
B) 6)66 Ohms 
C) 4 Ohms 
D) 30 Ohms 
A) 2)66 Ohms 
B) 6)66 Ohms 
C) 4 Ohms 
D) 30 Ohms

Question 14

John wants to install a wall-mounted motion detector. What is the optimal height at which it should be installed?

Accepted Answer

A) Four feet 
B) Two feet 
C) One foot 
D) Seven feet 
A) Four feet 
B) Two feet 
C) One foot 
D) Seven feet

Question 15

How many frequencies combine to produce a tone in a telephone?

Accepted Answer

A) Three 
B) Two 
C) Five 
D) Six 
A) Three 
B) Two 
C) Five 
D) Six

Question 16

Which of the following defines the voltage at which a surge suppressor begins to protect the circuit?

Accepted Answer

A) Clamping voltage 
B) Protection voltage 
C) Suppressing voltage 
D) Surge voltage 
A) Clamping voltage 
B) Protection voltage 
C) Suppressing voltage 
D) Surge voltage

Question 17

Which of the following statements is not true about the RG58 coaxial cabling standard?

Accepted Answer

A) The impedance of RG58 is 50 Ohms. 
B) The diameter of RG58 is 0.195 inches. 
C) RG58 is terminated with BNC connectors. 
D) RG58 is terminated with F-type connectors. 
A) The impedance of RG58 is 50 Ohms. 
B) The diameter of RG58 is 0.195 inches. 
C) RG58 is terminated with BNC connectors. 
D) RG58 is terminated with F-type connectors.

Question 18

Which of the following is used to compensate for speaker distance when configuring surround sound systems?

Accepted Answer

A) Speaker delay 
B) Speaker power 
C) Speaker size 
D) Speaker efficiency 
A) Speaker delay 
B) Speaker power 
C) Speaker size 
D) Speaker efficiency

Question 19

What is the maximum number of devices an IEEE 1394 connector can support?

Accepted Answer

A) 100 
B) 25 
C) 50 
D) 63 
A) 100 
B) 25 
C) 50 
D) 63

Question 20

Which of the following is the resistance level required on a video system for impedance and termination?

Accepted Answer

A) 110 ohms 
B) 60 ohms 
C) 75 ohms 
D) 50 ohms 
A) 110 ohms 
B) 60 ohms 
C) 75 ohms 
D) 50 ohms

Exam 17: Dhti

Which of the following cables is used to connect a telephone key set to a wall outlet?

Which of the following is the unit used to measure the capacity of a line conditioner?

Which of the following channels on a video line has the greatest loss in a VHF system?

You are troubleshooting an issue with an incandescent lamp. The incandescent lamp brightens or dims when other fixtures are turned ON or OFF. Which of the following should you do to fix this problem?

You have connected the conductors of a wire pair to different pins of a terminator at each end of a cable. Which of the following refers to this condition?

Which of the following connector types is used to connect a security system control panel to a telephone interface?

Which of the following specifies the maximum transmission range of an indoor 802.11b network access point?

Which of the following is the dB signal loss per 100 feet for a RG6 coaxial cable?

What topology is most commonly associated with an Infrastructure operating mode?

Which of the following audio/video cables includes carriers for positive, negative, and grounding signals?

Which of the following is a home system protocol that can be used to integrate a computer network with home control controllers?

Which of the following is a power connector?

What is the impedance of a 10 ohm and 20 ohm speaker wired in parallel?

John wants to install a wall-mounted motion detector. What is the optimal height at which it should be installed?

How many frequencies combine to produce a tone in a telephone?

Which of the following defines the voltage at which a surge suppressor begins to protect the circuit?

Which of the following statements is not true about the RG58 coaxial cabling standard?

Which of the following is used to compensate for speaker distance when configuring surround sound systems?

What is the maximum number of devices an IEEE 1394 connector can support?

Which of the following is the resistance level required on a video system for impedance and termination?

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