Question 1

Identify the connector type displayed in the image.

Accepted Answer

A) FC 
B) MT-RJ 
C) SMA 
D) LC 
A) FC 
B) MT-RJ 
C) SMA 
D) LC

Question 2

What is the maximum length of the patch cords used to connect a computer to a wall outlet?

Accepted Answer

A) 100 feet 
B) 100 meters 
C) 3 meters 
D) 10 meters 
A) 100 feet 
B) 100 meters 
C) 3 meters 
D) 10 meters

Question 3

Which of the following is true for Ohm's law?

Accepted Answer

A) Ohm's law states that a steady increase in voltage should reduce the magnitude of current through the circuit that has constant resistance. 
B) Ohm's law states that a steady decrease in voltage should increase the magnitude of current through the circuit that has constant resistance. 
C) Ohm's law states that a steady decrease in voltage should increase the magnitude of current through the circuit and increase the resistance offered by the circuit. 
D) Ohm's law states that a steady increase in voltage should produce a constant and linear increase in current through the circuit that has constant resistance. 
A) Ohm's law states that a steady increase in voltage should reduce the magnitude of current through the circuit that has constant resistance. 
B) Ohm's law states that a steady decrease in voltage should increase the magnitude of current through the circuit that has constant resistance. 
C) Ohm's law states that a steady decrease in voltage should increase the magnitude of current through the circuit and increase the resistance offered by the circuit. 
D) Ohm's law states that a steady increase in voltage should produce a constant and linear increase in current through the circuit that has constant resistance.

Question 4

Which of the following is a standard that defines the transmission of HDTV signals across a home's electrical service lines?

Accepted Answer

A) HomePlug 1.0 Turbo 
B) HomePlug AV 
C) CEBus 
D) HomePNA 
A) HomePlug 1.0 Turbo 
B) HomePlug AV 
C) CEBus 
D) HomePNA

Question 5

You want to use a coaxial cabling type that runs longer than 200 feet. Which of the following should you use?

Accepted Answer

A) RG8 
B) RG58 
C) RG6 
D) RG56 
A) RG8 
B) RG58 
C) RG6 
D) RG56

Question 6

You are assisting a customer who has issues with his PLC home automation system. He complains that three of the lights in a room turn ON and OFF intermittently. Which of the following should you ask the customer first?

Accepted Answer

A) Are the light bulbs in the room securely installed? 
B) Have you removed or replaced the PLC lighting modules? 
C) Have you added any new electrical devices in service at home? 
D) Have you plugged any new electrical devices into the electrical circuits in the room in question? 
A) Are the light bulbs in the room securely installed? 
B) Have you removed or replaced the PLC lighting modules? 
C) Have you added any new electrical devices in service at home? 
D) Have you plugged any new electrical devices into the electrical circuits in the room in question?

Question 7

What is the decrease of the speaker volume in dB if the distance from the speaker to the sound source is doubled?

Accepted Answer

A) 3 dB 
B) 4 dB 
C) 2 dB 
D) 6 dB 
A) 3 dB 
B) 4 dB 
C) 2 dB 
D) 6 dB

Question 8

Which of the following is a digital key system feature that allows for the integration of voice and data features and functions?

Accepted Answer

A) ACD 
B) POTS 
C) IVR 
D) CTI 
A) ACD 
B) POTS 
C) IVR 
D) CTI

Question 9

Which of the following WLAN modes do not require an access point?

Accepted Answer

A) Infrastructure mode 
B) Ad-hoc mode 
C) Access mode 
D) Wireless mode 
A) Infrastructure mode 
B) Ad-hoc mode 
C) Access mode 
D) Wireless mode

Question 10

Which of the following is the unit used to measure the light sensitivity of a camera?

Accepted Answer

A) Ohms 
B) Lux 
C) Volts 
D) Microfarads 
A) Ohms 
B) Lux 
C) Volts 
D) Microfarads

Question 11

Which of the following is a secondary criterion when choosing a video camera for a surveillance system?

Accepted Answer

A) Focal length 
B) Mounting style 
C) Light sensitivity 
D) Color 
A) Focal length 
B) Mounting style 
C) Light sensitivity 
D) Color

Question 12

Which of the following characteristics of a video image does scaling set?

Accepted Answer

A) Bandwidth 
B) Resolution 
C) Color 
D) Speed 
A) Bandwidth 
B) Resolution 
C) Color 
D) Speed

Question 13

Which of the following is not a private IP address range?

Accepted Answer

A) 10.0.0.0 to 10.255.255.255 
B) 12.0.0.0 to 12.255.255.255 
C) 172.16.0.0 to 172.31.255.255 
D) 192.168.0.0 to 192.162.255.255 
A) 10.0.0.0 to 10.255.255.255 
B) 12.0.0.0 to 12.255.255.255 
C) 172.16.0.0 to 172.31.255.255 
D) 192.168.0.0 to 192.162.255.255

Question 14

You are experiencing dark bars on your TV video display. Which of the following may be the most probable cause of this issue?

Accepted Answer

A) AC power interference 
B) Insufficient cable bandwidth 
C) Signal interruption between TV and modulator 
D) High signal strength 
A) AC power interference 
B) Insufficient cable bandwidth 
C) Signal interruption between TV and modulator 
D) High signal strength

Exam 17: Dhti

Identify the connector type displayed in the image.

What is the maximum length of the patch cords used to connect a computer to a wall outlet?

Which of the following is true for Ohm's law?

Which of the following is a standard that defines the transmission of HDTV signals across a home's electrical service lines?

You want to use a coaxial cabling type that runs longer than 200 feet. Which of the following should you use?

You are assisting a customer who has issues with his PLC home automation system. He complains that three of the lights in a room turn ON and OFF intermittently. Which of the following should you ask the customer first?

What is the decrease of the speaker volume in dB if the distance from the speaker to the sound source is doubled?

Which of the following is a digital key system feature that allows for the integration of voice and data features and functions?

Which of the following WLAN modes do not require an access point?

Which of the following is the unit used to measure the light sensitivity of a camera?

Which of the following is a secondary criterion when choosing a video camera for a surveillance system?

Which of the following characteristics of a video image does scaling set?

Which of the following is not a private IP address range?

You are experiencing dark bars on your TV video display. Which of the following may be the most probable cause of this issue?

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