Which VoIP network component provides Call Admission Control (CAC), bandwidth control and management, and address translation?
Correct Answer:A
Gatekeeper: A gatekeeper provides Call Admission Control (CAC), bandwidth control and management, and address translation.
http://what-when-how.com/cisco-voice-over-ip-cvoice/voip-fundamentals-introducing-voice-over-ip-networks-p
What is an example of a video codec?
Correct Answer:C
https://en.wikipedia.org/wiki/Video_coding_format#:~:text=Examples of video coding formats,
What are two components of Infrastructure collaboration? (Choose two)
Correct Answer:CD
Which distributed database allows hostnames lo be mapped to IP addresses?
Correct Answer:C
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750x_3560x/software/release/12-2_55_se/configur
After replacing a Webex endpoint device codec, which three common tasks should be performed for operation verification? (Choose three )
Correct Answer:ACD