This is the Online Practice Quiz in Wire and Wireless Communications System Part 42 as one of the Communications Engineering topic. In Preparation for the ECE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Examination Questions in Electronic System and Technologies, Communications Books, Journals and other Communications References.
Continue Part XLII of the Online Practice Quiz
Quiz in Wire and Wireless Communications System
Question 411. In RJ-11, the RJ stands for
Question 412. In a 4-wire telephone set connection, (used to connect telephone set to central office switching) the red coded wire is used __________.Question 413. Calls that are placed between two stations that are connected to different local exchanges.Question 414. It is the exchange of signaling messages between switching machines.Question 415. It is a measure of the faithful reproduction of scanned prints in a facsimile communications.Question 416. These are unused sections of cables that are connected in shunt working cable pair, such as a local loop. They are used for party lines to connect to the same local loop.Question 417. What is the standard bandwidth of voice channel according to CCITT recommendations?Question 418. In facsimile technology, it is a number derived from the width-height ratio.Question 419. A typical echo suppressor suppresses the returned echo by how much?Question 420. It is a combination of passive components that are used to regulate the amplitude and frequency response of the voice signals.