ETC Ch. 2 Telecommunications Technology Study Guide Review

What year were telephones invented?

• 1876

• 1901

• 1850

• 1920

Most emergency calls are placed using what three number combinations?

• 911

• 123

• 999

• 411

What does the acronym WLAN mean?

• Wireless Local Area Network

• Wide Local Area Network

• Wireless Long Area Network

• Wide Long Area Network

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

• 1968

• 1975

• 1980

• 1990

Define Telecommunications Device for the Deaf (TDD).

• A device for hearing-impaired communication

• A device for video conferencing

• A device for internet browsing

• A device for music streaming

What’s another name used for TDD?

• Teletypewriter

• Telegraph

• Telephone

• Transmitter

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?

• No

• Yes

• Sometimes

• Only if updated

What does the acronym ANI stand for?

• Automatic Number Identification

• Automatic Network Identification

• Automated Number Integration

• Automated Network Integration

What does the acronym ALI stand for?

• Automatic Location Identification

• Automated Line Integration

• Automatic Link Identification

• Automated Location Integration

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

• ANI and ALI

• VoIP

• Mobile phones

• Internet