Question 1

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 feetE) B) and D)
F) A) and C)

Question 2

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-45E) None of the above
F) A) and B)

Question 3

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 OhmsE) B) and C)
F) B) and D)

Question 4

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 efficiencyE) None of the above
F) A) and B)

Question 5

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)  13E) B) and C)
F) A) and D)

Question 6

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 circuitE) A) and B)
F) A) and C)

Question 7

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

Accepted Answer

A)  IBSS
B)  BSS
C)  ESS
D)  XSSE) B) and D)
F) B) and C)

Question 8

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)  TDRE) A) and C)
F) All of the above

Question 9

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)  6E) None of the above
F) A) and C)

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)  BalancedE) B) and C)
F) A) and B)

Question 11

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 ohmsE) A) and B)
F) A) and C)

Question 12

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

Accepted Answer

A)  100
B)  25
C)  50
D)  63E) B) and C)
F) A) and C)

Question 13

Which of the following is a power connector?

Accepted Answer

A)  Lug
B)  Receptacle
C)  Molded cable
D)  BackboardE) A) and B)
F) A) and C)

Question 14

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.E) A) and C)
F) None of the above

Question 15

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.E) None of the above
F) A) and D)

Question 16

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

Accepted Answer

A)  Three
B)  Two
C)  Five
D)  SixE) A) and B)
F) B) and D)

Question 17

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 metersE) None of the above
F) A) and C)

Question 18

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)  WANE) A) and D)
F) None of the above

Question 19

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)  LumenE) None of the above
F) B) and C)

Question 20

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 voltageE) A) and D)
F) B) and D)

Exam 17: Dhti

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is a power connector?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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