Which of the following is true of the public switched telephone network (PSTN)?
A)
It utilizes circuit switching to enable analog voice communication.
B)
It utilizes packet switching to enable analog voice communication.
C)
Analog signals are sent as sine waves.
D)
All of the above
B
You might also like to view...
The operating cycle of a manufacturer is the length of time between the
a. purchase of raw materials and the sale of the goods. b. sale of the goods and the collection of any outstanding receivables from the sale of the product. c. purchase of raw materials and collection of any outstanding receivables from the sale of the product. d. purchase of raw materials and the production of goods.
Profitability measures indicate a company's ability to pay its creditors by operating efficiently
Indicate whether the statement is true or false
A marketing manager using the database called PRIZM is interested in ________ segmentation.
A. educational B. geodemographic C. occupational D. geographic E. psychographic
Biometric systems are authentication systems that identify a person by measurement of a biological characteristic, such as fingerprints, iris patterns, facial features, or voice
Indicate whether the statement is true or false