问题：单选题When integrating a media server into a home theater， which of the following terms BEST describes the technology used to protect the interest of copyright holders （e.g. multimedia content）？（）A Digital Rights Management （DRM）B MPEG Layer-3 （MP3）C Internet Key Exchange （IKE）D Content Management System （CMS）
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问题：单选题Which of the following is the correct signal flow for an analog multi-room audio system？（）A Source，Volume Control，Speaker，AmpB Source，Amp，Volume Control，SpeakerC Amp，Source，Volume Control，SpeakerD Speaker，Amp，Volume Control，Source
问题：单选题According to Ohm’s Law， which of the following is correct？（）A As voltage increases， resistance decreasesB As amperage decreases， resistance decreasesC As resistance decreases， amperage increasesD As resistance increases， voltage increases
问题：单选题When installing cables， which of the following is the BEST way of identifying the individual cables？（）A A cable chart mounted in the cabinetB A label at the tip of the cableC A label within six inches at each end of the cableD A penciled notation on the panel cover
问题：单选题Which of the following BEST describes CAT5e？（）A Contains four pair of wires of various gaugeB Contains two wires in a red fireproof jacketC Contains four twisted pairs of wiresD Contains eight wires within a thick jacket with a rip cord
问题：单选题If the speakers in an installation are out of phase， this means that（）A the subwoofer is at the wrong angle.B the front and rear speakers are reversed.C the polarity of the speakers are reversed.D the angle of the speakers are incorrect.
问题：单选题Which of the following can cause ghosting in a video image？（）A Bent pin on an S-Video cableB Mislabeled component cablesC Defective HDMI cableD Improperly terminated coax cable
问题：单选题Which of the following communication methods will provide the maximum bandwidth for video streaming through a media extender？（）A 100BaseT EthernetB 802.11gC Z-WaveD Bluetooth
问题：单选题When configuring surround sound systems， speaker delay is used to compensate for speaker（）.A distanceB powerC sizeD efficiency
问题：单选题An optical cable is used to transmit：（）A digital audio from a component to a receiver.B analog video from a component to a receiver.C analog audio from a component to a receiver.D digital video from a component to a receiver.
问题：单选题RG-6 coaxial cable is typically used in all of the following applications：（）A multi-room audio， telephone， intercom and temperature control.B thermostat， CCTV， smoke detectors and keypads.C home theater， lighting control and multi-room audio.D video， digital cable， and satellite applications.
问题：单选题Which of the following determines if the alarm should sound or an entry delay should start？（）A The sensor itselfB The way the zones are wiredC The zone typeD The digital dialer
问题：单选题When installing a security system， which of the following connectors would be used to connect the security system to the telephone service demarcation？（）A RJ-31xB RJ-11C RS-232D DB-9
问题：单选题Which of the following cabling would be MOST commonly used with digital volume controls？（）A Unshielded twisted pairB RJ-59C 16/4 solid conductorsD Speaker Wire
问题：单选题Which of the following is the primary purpose of impedance matched volume control？（）A Maintains proper speaker phaseB Protects the amplifier from damageC Protects the digital systems from damageD Amplifies the speaker signal
问题：单选题Which of the following is the recommended placement of the rear surround speakers in a 5.1 surround installation？（）A Directly to the left and right and slightly in front of the listenerB Directly to the left and right and slightly behind the listenerC Above and behind the listenerD Directly behind the listener
