Cisco 100-890 Practice Test - Questions Answers, Page 2

List of questions
Question 11

Which VoIP network component provides Call Admission Control (CAC), bandwidth control and management, and address translation?
Gatekeeper
Multipoint Control Unit
Gateway
IP Phone
Answer: A
Explanation:
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-overip-networks- part-1/
Question 12

Which two devices can provide a Cisco IP phone the network connection and power necessary for the phone to function in the IP telephony network? (Choose two )
Question 13

From the Diagnostics page, which two alerts are clearly marked red? (Choose two )
Question 14

What is an example of a video codec?
Question 15

How do digital voice networks function?
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Question 16

Which collaboration endpoint is considered an all-in-one unit that is designed to video-enable small collaboration spaces?
Question 17

Which two services are provided in a cloud deployment? (Choose two.)
Question 18

While replacing a Cisco IP phone, the technician notices that the phone is not functional The phone is receiving power from a Cisco Catalyst PoE switch, and the phone backup software image is loaded but the phone still fails to complete the bootup To recover the phone what is the next approach?
Question 19

Which network administration command-line tool is available in many computer operating systems for querying the Domain Name System (DNS)?
Question 20

What provides the coding and decoding translation between analog and digital facilities?
Question