NM Es3j Exam| 300+ Questions and Correct answers| Complete | Latest

NM Es3j Exam| 300+ Questions and Correct answers| Complete | Latest closed circuit television (CCTV) What does CCTV stand for? 6 megahertz What is the maximum bandwidth of a standard television channel NEC article 770 Which of the following is mandatory code Ground loop problems What causes a sound system to hum or buzz Poor connection Which of the following has the most resistance Equalization Any intentional alteration of frequency response including tone control is termed A frequency dividing network A crossover is confined to a band of frequencies for which a component is responsible. This is accompanied by Composite A CCTV signal is what type of signal Attenuation caused by the electronic devices within the system Single mode fiber cable does not experience modal dispersion and is not limited by bandwidth rather it is limited by Fusion splicing Fiber cable splicing which consist of aligning two clean fibers end to end and joining them with an electric arc, is called Omega symbol Know the symbol for ohms 16 MHz Category 3 cable wire is rated at 100 MHz Category 5 cable is rated at Mixer A microphone is connected to what device Simultaneously Bundled cables are too be pulled Star Network A collection of links with a common node is an example of a Bus Network Multiple computers sharing a common line is an example of a Ring Network A network in which each computer is connected to two other computers forming a circle is called