Changed AP0-001 Exam Questions

Which one of the following statements about the SIP-NAT is TRUE?

A __________ is a real-time interactive voice, video or multimedia communication that is established using IP signaling protocols such as SIP, H.323 or MGCP.

Best current practice for the initial turn-up of a secondary node in a highly available (HA) pair calls for the acquire-config command targeting the ____________________interface on the primary node.

In this scenario, the User Agents (UAs) are both SIP-enabled phones. What is the correct order of this basic SIP message flow?

1)The UAC initiates the session with an INVITE.

2)The UAS sends a 200 OK message indicating that the request has succeeded.

3)Media is exchanged bidirectionally.

4)The UAS sends a 100 Trying response back to the UAC

5)The UAC sends a BYE message. This is followed by a 200 OK final response message sent by the UAS.

6)The UAS sends a 180 Ringing message.

7)The UAC sends an ACK message confirming that it has received a final response to INVITE.