Exam 11: Voice and Data Delivery Networks

____ means that a user calling into a company telephone system provides some form of data by speaking into the telephone, and a database query is performed using this spoken information.

The frame relay service can only be a long-distance service.

After the 1984's Modified Final Judgment, the long-distance telephone companies became known as ____.

Prior to 1984, AT&T (American Telephone and Telegraph) owned all the long-distance telephone lines in the United States.

Telephone systems were originally designed to transmit the human voice.

A ____ service is an all-digital connection that can transfer either voice or data at speeds up to 1.544 Mbps.

____ means that different icons on a computer screen represent common PBX functions such as call hold, call transfer, and call conferencing, making the system easier for operators to use.

____________________ lines and tie lines are leased telephone lines that require no dialing.

An asymmetric service is useful for an Internet connection in which the bulk of the traffic comes down from the Internet to the workstation.

A(n) ____________________ is a high-speed communications service that allows high-speed access to wide area networks such as the Internet via a cable television connection.

A(n) ____ handles all in-house calls and places calls onto outside telephone lines.

The permanent connection in a frame realy network that is necessary to transfer data between two endpoints is called a(n) ___________________________________.

____ is a trademarked version of DSL with speeds that are a little slower than typical ADSL speeds.

The most popular example of a leased line service is the T-1.

Subscriber loops usually transmit digital signals, which require amplifiers every few kilometers.

What was the reasoning behind the development of CLECs?

When no splitter is used to separate the DSL signal from the POTS signal, then the service is called ____.

When they were originally introduced many years ago, dial-up modems were capable of data transfer speeds of merely 15 to 30 bits per second.

____ means that users utilize a single desktop application to send and receive e-mail, voice mail, and fax.

Because DSL is an always-on connection, it uses a ____ circuit instead of a switched circuit.