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Code d'Examen: HT0-101
Nom d'Examen: CompTIA (HTI+ Residential Systems....)
Questions et réponses: 100 Q&As
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NO.1 A xxxx technician is on-site to configure a home security alarm system. The
technician needs to create a configuration that alerts the off-site customer
monitoring center whenever the front and side doors are armed and opened.
Which of the following devices does the technician need to install on the doors to have
them trip the alarm?
A. Rug sensors
B. Motion sensor
C. Magnetic contacts
D. Closed circuit TV
Answer: C
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NO.2 Which of the following ports must be open to allow HTTP traffic through a firewall?
A. 23
B. 25
C. 80
D. 110
Answer: C
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NO.3 Which of the following organizations sets standards for heating, ventilation, and air
conditioning in the United States?
A. IEEE
B. NAHB
C. IALD
D. ASHRAE
Answer: B
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NO.4 Which of the following wires of a cable are used for transmitting or receiving data on a
10/100Base-T network?
A. 1, 2, 3, and 4
B. 1,2, 3, and 6
C. 1, 2, 8, and 8
D. 5, 6, 7, and 8
Answer: B
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NO.5 Which of the following types of network cables can support a maximum segment length
of 2,000 meters?
A. Fiber optic
B. Thin coaxial
C. Unshielded twisted pair
D. Thick coaxial
Answer: A
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NO.6 When troubleshooting a lighting problem in an existing home, the home technology
integrator differentiates between low-voltage and high-voltage lighting control by
examining the:
A. Incandescent bulbs
B. Fluorescent bulbs
C. Differences in the wall and ceiling mounts
D. Cable supplying power to the lighting fixture
Answer: D
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NO.7 The wiring scheme for data cables terminated in a home is:
A. 568A
B. 568B
C. RS422
D. RS485
Answer: A
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NO.8 Which of the following is a type of coaxial cable used in television and satellite
installations?
A. RG-6
B. RG-58
C. RJ-11
D. RJ-45
Answer: A
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NO.9 The technician is onsite to install a security camera system and has successfully
configured the camera and video monitor. The customer has a request to attach the
camera to the customer's television.
Which of the following devices would the technician need to install to connect the
security camera to the television?
A. Splitter
B. Coupler
C. BALUN
D. High pass filter
Answer: B
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NO.10 The maximum recommended cable distance between stations for 10Base-T Ethernet on
Category 3 cabling is:
A. 50 meters
B. 100 meters
C. 200 meters
D. 500 meters
Answer: B
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NO.11 An individual has connected a turntable to a stereo receiver. When a record is
played, the system emits a load hum.
Which of the following is the most likely cause of this problem?
A. The cartridge needs to be replaced.
B. The speakers are too close together.
C. The turntable is plugged into an auxiliary port.
D. The ground wire on the turntable is disconnected.
Answer: D
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NO.12 How many B channels are included in an integrated services digital network (ISDN)
BRI?
A. 1
B. 2
C. 4
D. 23
Answer: B
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NO.13 Three communicating thermostats installed in one residence is referred to as a:
A. 3-Damper system
B. 3-Room system
C. 3-Zone system
D. 3-Process system
Answer: C
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NO.14 There are two-four pair cables run from the auxiliary disconnect outlet to the
network interface device. The homeowner orders a fifth line.
The color-pair of the fifth line is:
A. orange - white/orange
B. blue - white/blue
C. slate - white/slate
D. green - white/green
Answer: C
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NO.15 Which of the following TCP/IP protocols is used to manage the assignment of IP
addresses?
A. Domain name service (DNS)
B. Network address translation (NAT)
C. Dynamic host configuration protocol (DHCP)
D. Simple network management protocol (SNMP)
Answer: C
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NO.16 Which of the following use high-frequency sound?
A. Occupancy sensors
B. Ultrasonic sensors
C. Photosensors
D. Passive Infrared (PIR) sensors
Answer: B
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NO.17 A client has a 100 watt stereo receiver. The client has purchased speakers rate at
200 watts. The receiver keeps shutting off, and the distortion is high.
Which of the following is the best explanation?
A. The speakers need more power than 100 watts.
B. The strands of wire are touching.
C. The speaker cable is the wrong gauge.
D. The protective fuses in the receiver are too weak.
Answer: B
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NO.18 Which of the following types of sensors are the most commonly used, both inside and
outside of the home, and detect the presence of humans based on emitted radiation?
A. Passive Infrared (PIR) sensors
B. Ultrasonic sensors
C. Microwave sensors
D. Charged Coupled Device (CCD) sensors
Answer: A
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NO.19 A client requests to have two sub-woofers installed to create stereo effect.
Which of the following statements is the best response a technician can make?
A. Two sub-woofers would produce too much bass.
B. Another amp is required to power the second sub-woofer.
C. Two sub-woofers are unnecessary and would cost too much.
D. The sub-woofer's sound is too low to have an effect on stereo imaging.
Answer: C
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NO.20 Covert video cameras can be legally installed:
A. Anywhere the client decides.
B. Anywhere there is a potential for high-crime volume.
C. In places where there is no expectation of privacy.
D. In places where permissions has been given by the owner.
Answer: C
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