Exam 14: Module C More on Telecommunications

SONET/SDH applies ________ when there is a break in a trunk line between switches.

________ is/are widely used in Europe for PSTN signaling.

Deregulation is highest for ________.

In TDM,time is first divided into brief periods called ________.

Local calls are always billed on a flat rate basis where the customer pays a monthly fee for unlimited local calling.

In the United States,IXCs provide telephone transmission service ________.

Which of the following has an altitude of a few thousand miles?

In the United States,which of the following is a carrier?

For PBXs,call detail reporting is ________.

Even for local calls,many telephone companies charge by the duration of the call.

Call restriction refers to a switch's ability to control incoming calls to a station.

Which of the following is an advanced carrier telephone service?

With 888 numbers,the ________ pays and pays ________ per minute than direct distance dialing.

A ring topology is attractive because it brings ________.

For PBXs,nighttime calling is ________.

Incompatibilities between signaling systems in the United States and Europe cause serious problems.

Which of the following is good for mobile stations?

Which of the following would a mail order company's customers prefer?

In data wiring,there needs to be four wires for each computer on the floor in ________.

In the United States,telephone customers can connect to a(n)________ carrier to receive telephone service.