Practice Quiz in Wire and Wireless Communications System Part 53

Question 521. The common channel interoffice signalling method

Question 522. ___________ is a unit of telephone traffic defined as one user making a call of one second duration.

Question 523. The subscriber loop provides the following except:

Question 524. Why is the blade an endless loop in facsimile?

Question 525. The primary cause of echo and singing is

Question 526. An arrangement where the only possible connection between a numbers of exchanges is through a single tandem or transit exchange where they are all connected.

Question 527. The last two digits of the loaded cable designation 22E66 indicates

Question 528. The voice frequency channel pass band is:

Question 529. A telephone service that uses a common 800 area code regardless of the location of the destination.

Question 530. In the FDM hierarchy, a mastergroup is composed of ten supergroups and is equivalent to