License Exam Quiz #368

de Steve, AE8AT 

This week the quiz features another notable scientific mind, Claude Shannon, who was born 30 April 1916. Shannon is sometimes called the father of information theory. He theorized that binary digits could carry information which paved the way for all sorts of digital devices such as cellphones, digital images, and you’re probably aquainted with many more. His 1948 “A Mathematical Theory of Communication” is thought of as the founding of information theory. 

T8C07 What is Voice Over Internet Protocol (VoIP)?

A. A set of rules specifying how to identify your station when linked over the internet to another station

B. A technique employed to “spot” DX stations via the internet

C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

D. A method of delivering voice communications over the internet using digital techniques

G2E04 Which of the following is good practice when choosing a transmitting frequency to answer a station calling CQ using FT8?

A. Always call on the station’s frequency

B. Call on any frequency in the waterfall except the station’s frequency

C. Find a clear frequency during the same time slot as the calling station

D. Find a clear frequency during the alternate time slot to the calling station

E8C07 What is the bandwidth of a 4,800-Hz frequency shift, 9,600-baud ASCII FM transmission?

A. 15.36 kHz

B. 9.6 kHz

C. 4.8 kHz

D. 5.76 kHz

Answers:

T8C07 = D

G2E04 = D

E8C07 = A

Quiz 368