CompTIA认证考试
单选题Which of the following is the standard aspect ratio for HDTV?()
单选题An optical cable is used to transmit:()
单选题Which of the following is the correct signal flow for an analog multi-room audio system?()
单选题When certifying a CAT5 cable installation the integrator must perform which of the following tests?()
单选题Which of the following video outputs from a media PC provide the BEST picture quality, when connecting the media PC to a projector?()
单选题Which of the following is the recommended placement of the rear surround speakers in a 5.1 surround installation?()
单选题The native resolution for 1080i is()
单选题Which of the following would be the impedance of an 8 ohm and a 4 ohm speaker that are wired in parallel?()
单选题A customer notifies the integrator that the system keypad reports trouble at a window. Upon inspection, the customer finds the window closed and locked; the customer resets the system and it fails to correct the issue. Which of the following steps should the integrator take to resolve the issue?()
单选题Which of the following cabling would be MOST commonly used with digital volume controls?()
单选题Which of the following communication methods will provide the maximum bandwidth for video streaming through a media extender?()
单选题Small in-ceiling speakers are BEST suited for()
单选题Which of the following is MOST likely causing an intermittent flashing LED on an IR receiver when the remote control is not being used?()
单选题If the speakers in an installation are out of phase, this means that()
单选题Which of the following is a RF peer to peer mesh protocol used for lighting and other residential electronics?()
单选题RG-6 coaxial cable is typically used in all of the following applications:()
单选题Each time the distance from the speaker is doubled, volume decreases by().
单选题Which of the following is the primary purpose of impedance matched volume control?()
单选题Wires that are installed in air returns above a ceiling must be()
单选题Which of the following is the correct wiring order for an RJ-11 two line jack?()
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