ETC Ch. 2 Telecommunications Technology Study Guide Review

Front

What year were telephones invented?

Back

1876

Front

Most emergency calls are placed using what three number combinations?

Back

911

Front

What does the acronym WLAN mean?

Back

Wireless Local Area Network

Front

What year was 9-1-1 made the standardized emergency number in the U.S.?

Back

1968

Front

Define Telecommunications Device for the Deaf (TDD).

Back

A device for hearing-impaired communication

Front

What’s another name used for TDD?

Back

Teletypewriter

Front

When a VoIP subscriber travels to another location and brings the VoIP phone, does the system know that the phone is not at its registered address?

Back

No

Front

What does the acronym ANI stand for?

Back

Automatic Number Identification

Front

What does the acronym ALI stand for?

Back

Automatic Location Identification

Front

What has all but eliminated the need to trace calls through telephone companies?

Back

ANI and ALI