CCNA Voice Practice Test Results

Question 1
33% answer correctly
In a Cisco UCM single-site deployment, what is the maximum number of IP phones that can register with a UCM cluster?
30,000
2,500
7,500
10,000
Question 2
37% answer correctly
If two phones share a line between them, what happens if the user of the first phone is using the line and the user of the second phone uses the Barge feature?
A three-way conference begins.
The call is discontinued, but the first phone user and the second phone user are able to talk.
The user on the first phone is knocked off the line, and the second phone user takes over the line.
The user of the first phone is notified of the Barge request.
Question 3
25% answer correctly
One user from your company wants to use a signaling protocol on the voice gateways that require registration with the Cisco Unified Communications Manager. Which protocol should you suggest to him?
Frame-Relay
MGCP
SIP
SRTP