Spectrum Field Technician 1 Test Question with Correct Answers 2023/2024
Spectrum Field Technician 1 Test Question with Correct Answers 2023/2024 Decibel (dB) - Correct Answer Relative # of signal gain or loss through a device or cable. Decibel millivolt (dBmV) - Correct Answer Absolute # of signal strength. Foreign voltage detector (FVD) - Correct Answer Detects unwanted voltage on cables/strands; test on plastics too. Data Over Cable Service Interface Specification (DOCSIS) - Correct Answer The international standard for adding high-bandwidth data to an existing cable system. What does SAFE stand for? - Correct Answer Stop. Assess. Focus. Eliminate. What does NCP stand for? - Correct Answer Next. Channel. Pointer. What does SLM stand for? - Correct Answer Signal. Level. Meter. What is a signal level meter? - Correct Answer Tool used to run multiple tests involving signal level, MER, BER and noise level. What does CNR stand for? - Correct Answer Carrier to Noise Ratio. What is the purpose of CNR? - Correct Answer Comparing level of desired signal to level of background noise. What is Hum modulation? - Correct Answer The distortion of both cable video and audio. How can you identify video hum? - Correct Answer Visually seeing single (60Hz) or double (120Hz) horizontal bars rolling slowly up from bottom to top of television.
Información del documento
- Subido en
- 8 de noviembre de 2023
- Número de páginas
- 10
- Escrito en
- 2023/2024
- Tipo
- Examen
- Contiene
- Preguntas y respuestas
