CompTIA HT0-201 DHTI+ Certification Practice Exam Set 2

Small in-ceiling speakers are BEST suited for:


Options are :

  • Loud, bass intensive music (e.g. heavy metal, rock).
  • The user who wants perfect sound reproduction.
  • Background music and blending in with decor.
  • Providing a sub-woofer for great bass reproduction.

Answer : Background music and blending in with decor.

Which of the following cabling would be MOST commonly used with digital volume controls?


Options are :

  • RJ-59
  • Speaker Wire
  • 16/4 solid conductors
  • Unshielded twisted pair

Answer : Unshielded twisted pair

Which of the following BEST describes CAT5e?


Options are :

  • Contains four pair of wires of various gauge
  • Contains two wires in a red fireproof jacket
  • Contains eight wires within a thick jacket with a rip cord
  • Contains four twisted pairs of wires

Answer : Contains four twisted pairs of wires

When integrating a media server into a home theatre, which of the following terms BEST describes the technology used to protect the interest of copyright holders (e.g. multimedia content)?


Options are :

  • Content Management System (CMS)
  • Digital Rights Management (DRM)
  • MPEG Layer-3 (MP3)
  • Internet Key Exchange (IKE)

Answer : Digital Rights Management (DRM)

CAS-001 CompTIA Advanced Security Practitioner Practice Exam Set 1

Each time the distance from the speaker is doubled, volume decreases by:


Options are :

  • 3dB.
  • 12dB.
  • 6dB.
  • 24dB.

Answer : 6dB.

When configuring surround sound systems, speaker delay is used to compensate for speaker:


Options are :

  • Size.
  • Power.
  • Efficiency
  • Distance.

Answer : Distance.

Which of the following can cause ghosting in a video image?


Options are :

  • Mislabeled component cables
  • Defective HDMI cable
  • Bent pin on an S-Video cable
  • Improperly terminated coax cable

Answer : Improperly terminated coax cable

Which of the following communication methods will provide the maximum bandwidth for video streaming through a media extender?


Options are :

  • 802.11g
  • Z-Wave
  • 100BaseT Ethernet
  • Bluetooth

Answer : 100BaseT Ethernet

When installing cables, which of the following is the BEST way of identifying the individual cables?


Options are :

  • A label at the tip of the cable
  • A label within six inches at each end of the cable
  • A penciled notation on the panel cover
  • A cable chart mounted in the cabinet

Answer : A label within six inches at each end of the cable

When installing a security system, which of the following connectors would be used to connect the security system to the telephone service demarcation?


Options are :

  • RS-232
  • DB-9
  • RJ-11
  • RJ-31x

Answer : RJ-31x

CompTIA N10-004 Network+ Certification Practice Test Set 5

When the ringer equivalence number (REN) on a telephone line is exceeded:


Options are :

  • The phone will ring continuously.
  • The phone may ring, but then disconnect.
  • The dial tone will not be heard.
  • Dialing out will not function.

Answer : The phone may ring, but then disconnect.

Which of the following standards is the BEST method for streaming high definition video over a wireless network?


Options are :

  • Z-Wave
  • 802.11a
  • Zigbee
  • 802.11b

Answer : 802.11a

A PC control system is different from an embedded control system in that:


Options are :

  • Only a PC control system can be accessed remotely.
  • A PC control system can only communicate with IP based devices.
  • A PC can also run several applications simultaneously.
  • An embedded control system is more flexible than a PC control system.

Answer : A PC can also run several applications simultaneously.

Which of the following kinds of internal wiring configuration is required for typical key service unit (KSU) phone systems?


Options are :

  • Daisy-chained topography
  • Media-bus topography
  • Star topography
  • Token-ring topography

Answer : Star topography

FC0-U41 CompTIA Strata IT Fundamentals Practice Exam Set 5

Which of the following is LEAST likely to cause IR interference?


Options are :

  • Ground connections on the IR connecting block
  • Electromotive Force (EMF) devices such as plasma displays or transformers
  • Emitter positions on IR equipment
  • WiFi network devices

Answer : WiFi network devices

Which of the following home control protocols utilizes an existing line voltage electrical wiring infrastructure for communication and control? (Select TWO)


Options are :

  • UPB
  • X10
  • ZigBee
  • Z-Wave
  • Power over Ethernet (PoE)

Answer : UPB X10

The FIRST step in troubleshooting any subsystem at a customer's home is to check:


Options are :

  • Power
  • Ambient temperature.
  • Connectivity.
  • Available spares.

Answer : Power

Which of the following features does a PBX/Key System have that two-line phones do not?


Options are :

  • . Receive and track caller-id per phone line.
  • The ability to place one line on hold and answer the other.
  • The ability to create a 3-way call using both phone lines
  • The ability to route a call to a specific phone based on caller-id.

Answer : The ability to route a call to a specific phone based on caller-id.

Which of the following should be installed in a home to BEST protect the electronic devices from surges?


Options are :

  • Point of entry protection and point of use protection
  • Point of use protection and telephone protection
  • Telephone and coax protection
  • Point of entry protection and telephone protection

Answer : Point of entry protection and point of use protection

Placing a telephone call into Park mode on a Key system, does which of the following?


Options are :

  • Forwards the call to another telephone set on the system
  • Places the call on hold, then drops the call without hanging up
  • Transfers the call to another telephone set
  • Allows the call to be retrieved from another telephone set on the system

Answer : Allows the call to be retrieved from another telephone set on the system

CompTIA CySA+ (CS0-001) 5 Practice Certification Exams Set 6

An integrated control system is being installed into a customer's home. On the wall is a sophisticated looking thermostat with an LCD display. The customer would like to control the temperature via the integrated system. Which of the following would be the MOST important item to investigate?


Options are :

  • Whether the thermostat can communicate with the integrated system.
  • Whether the integrated system is heating, ventilating, and air conditioning (HVAC) compatible.
  • What type of system is being used (e.g. heat pump, gas, oil, etc.)
  • Whether the system is zoned.

Answer : Whether the thermostat can communicate with the integrated system.

Which of the following communication methods will MOST web tablets use for connecting to a home control system?


Options are :

  • Wi-Fi
  • USB
  • IR
  • RS-485

Answer : Wi-Fi

Which of the following home control protocols have a maximum of 256 device addresses per network?


Options are :

  • Zigbee
  • X10
  • Z-Wave
  • CEBus

Answer : X10

Plain Old Telephone Service (POTS) arrives at the home as a(n):


Options are :

  • Electromechanical switch.
  • Analog electrical loop.
  • Signal transmitter.
  • IP digital distribution loop.

Answer : Analog electrical loop.

Cross-talk refers to the:


Options are :

  • . Introduction of noise on a cable from adjacent signal pairs.
  • Improper termination of the conductors on the RJ-45 jack.
  • Audiblescho caused by low values of return loss.
  • Installation of voice cable too close to the electrical lines.

Answer : . Introduction of noise on a cable from adjacent signal pairs.

Which of the following private IP addresses is valid?


Options are :

  • 9.202.34.245
  • 10.256.34.245
  • 10.251.34.245
  • 10.230.34.310

Answer : 10.251.34.245

CompTIA JK0-022 E2C Security+ Compliance & Operational Exam Set 1

Which of the following tools would be appropriate to measure the resistance of a circuit?


Options are :

  • Signal Generator
  • Multi-meter
  • TelephoneButtset
  • Cable Tester

Answer : Signal Generator

Which of the following characteristics is uniquely associated with an Uninterruptible Power Supply (UPS) device?


Options are :

  • Ground fault protection
  • Surge protection
  • Power inverter
  • Radio frequency interference (RFI) filter

Answer : Power inverter

A customer has purchased a new wireless-enabled laptop computer and cannot establish a connection to their wireless network. The user has entered the correct wired equivalent privacy (WEP) key. Which of the following is the MOST likely cause for this?


Options are :

  • Domain Name Service (DNS) is enabled on the router
  • Media Access Control (MAC) filtering is enabled on the router
  • Demilitarized zone (DMZ) is enabled on the router
  • Dynamic Host Configuration Protocol (DHCP) is enabled on the router

Answer : Media Access Control (MAC) filtering is enabled on the router

An intercom function on a key system consists of:


Options are :

  • Announcing when a call is on hold.
  • The bridging of two or more lines together.
  • A common path shared by all telephones.
  • Extending a call to another telephone.

Answer : A common path shared by all telephones.

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