Practice Quiz in Wire and Wireless Communications System Part 43

Online Practice Quiz in Wire and Wireless Communications System part 43 as one of the Communications Engineering topic.

Quiz in Wire and Wireless Communications System

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

List of Practice Quizzes


Post a Comment

Contact Form

Name

Email *

Message *

Powered by Blogger.
Javascript DisablePlease Enable Javascript To See All Widget