2023 updated to pass
Th public switched telephone network (PSTN) uses pulse code modulation (PCM) to perform which
function - correct answer Convert an analog signal (human voice) into digital signals so that man calls can
travel over the same wire
In plain old telephone service, the ______ is a pair of wires connecting the customer location to the
telephone company - correct answer Local loop circuit
Which of the following statements is an accurate comparison between packet switching and circuit
switching technologies? - correct answer Packet switching uses the network only when words are
spoken, while circuit switching uses the network constantly throughout the entire telephone
conversation.
________,added to the media access control protocol in data over cable service interface specification
1.1 was a first attempt at prioritizing internet protocol traffic according to its application giving priority to
real time data packets such as streaming video over other types of packets such as email - correct
answer D-service flow
Packet cable was designed to - correct answer Deliver real-time internet protocol applications such as
voice and video service s with the same level of quality as circuit switching technology did for the plain
old telephone service
The three networks include in packet cable 1.0 architecture are: - correct answer C-The data over cable
service interface specification hybrid fiber/ coax access network the manager internet protocol network
and the public switched telephone network
Which of the following is an accurate description of the benefits of a packet cable managed internet
protocol network - correct answer Packet cable managed IP networks deliver higher voice quality than
other voice over internet protocol networks because they use a managed IP network instead of the
internet to deliver packets to the public switched telephone network