BroadBand Digital Installer 100% SOLUTIONS REVISED 2023//2024

BroadBand Digital Installer 100% SOLUTIONS REVISED 2023//2024 What information is typically stored in a signal level meter's (SLM) channel plan? - ANSWERS The SLM channel plan typically includes the channel number, center frequency, channel bandwidth, modulation type, and symbol rate. What advantages are there to performing automated measurements with an SLM? - ANSWERS Automated measurements help ensure consistent measurement practices among different technicians. What parameters of the RF carrier should be measured when diagnosing or qualifying a digital TV (DTV) service? - ANSWERS To diagnose or qualify a DTV service, measurements such as power levels, modulation error ratio (MER), bit error rate (BER), etc. should be taken using a digital signal analyzer. When connected directly to the broadband cable network, what must be done to the digital television set for it determine each channel's modulation and encoding scheme? - ANSWERS When connected directly to the broadband cable network, the DTV must be instructed to "scan" all of the incoming channels and store each channel's modulation and encoding scheme into memory. Which customers were originally targeted to use digital terminal adapters (DTA)? - ANSWERS The DTA was originally targeted to those customers with analog TVs that subscribed to basic-only service. What technology enables individual digital set-top boxes (STB) to receive authorization to access-encrypted program content via a subscriber management system (SMS), aka billing system? - ANSWERS Addressable technology enables individual digital STBs to receive authorization to access-encrypted program content via an SMS. What device is being deployed as the next evolutionary step for the STB? - ANSWERS The cable gateway is being deployed as the next evolutionary step for the STB. What was a practical limitation of the integrated entertainment system cabinet? - ANSWERS The size of the picture tube was limited to what could be installed in the integrated entertainment system cabinet. Why did the digital versatile disc (DVD) player/recorder replace the videocassette recorder (VCR) in many entertainment systems? - ANSWERS The VCR was replaced in many entertainment systems because of the DVD's compact size, excellent video and audio quality, and the player's ease of use.