In the PSTN, signaling is _____. a. the actual transmission of voice b. the tran
ID: 3577357 • Letter: I
Question
In the PSTN, signaling is _____.
a. the actual transmission of voice
b. the transmission of supervisory messages
c. Both of the above.
A POP is _____.
a. a sudden electrical noise in a telephone circuit
b. a publicly-owned telephone company
c. a jump in hop-by-hop transmission
d. a place where telephone carriers interconnect
The device at the end office switch that converts between analog subscriber signals and digital transport core signals is a _____.
a. codec
b. modem
c. bandpass filter
d. All of the above.
What is not an example of Web application?
a. E-mail
b. Browser
c. Internet
d. FTP
e. Skype
Explanation / Answer
In the PSTN, signaling is _____.
a. the actual transmission of voice
What is not an example of Web application?
c. Internet
A POP is _____
d. a place where telephone carriers interconnect
The device at the end office switch that converts between analog subscriber signals and digital transport core signals is a _____.
a. codec