Practice Quiz in Wire and Wireless Communications System Part 43

This is the Online Practice Quiz in Wire and Wireless Communications System Part 43 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 XLIII of the Online Practice Quiz

Quiz in Wire and Wireless Communications System Question 421. A switchboard with four digits can accommodate how many telephone numbers? A. 1,000 B. 10,000 C. 100,000 D. 9999 Question 422. Facsimile standards are set by the A. FCC B. DOD C. CCITT D. IEEE Question 423. The connection between the telephone and the central office’s switching equipment. A. subscriber loop B. relay circuits C. line sensors D. supervisory relay Question 424. In SS7 signaling points, codes that are carried in signaling messages exchanged between signaling points to identify the source and destination of each message. A. signaling points B. service points C. switching points D. point codes Question 425. _________ is defined as a momentary on-hook condition that causes loop making and breaking from the telephone set dialer toward the central office. A. dial tone B. dial pulsing C. on-hook D. off-hook Question 426. Aside from tip and ring used in local loops the third wire when used is called __________. A. reserve B. sleeve C. ground D. None of these Question 427. It defines the procedures and protocols necessary to exchange information over the PSTN using a separate digital signaling network to provide wireless and wireline telephone call setup, routing and control. A. C7 B. common channel signaling system no. 7 C. SS7 D. Any of these Question 428. It is a method originally used to transfer digits in the telephone set to the local switch. A. tone dialing B. dial pulsing C. battery and ground pulsing D. reverse battery pulsing Question 429. In telephone systems, a special type of line conditioning that pertains to line impairments for which compensation can be made with filters and equalizers. A. A-line conditioning B. B-line conditioning C. C-line conditioning D. D-line conditioning Question 430. It is an exchange without a local loops connected to it A. double office B. tandem office C. exchange office D. local office

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