Cisco 400-051 Exam
Refer to the exhibit. Which description of a User Agent Server that sends this message is true?
- A. The UAS sends this message in response to an earlier PRACK received
- B. The UAS sends this message in response to an earlier INVITE that contains PRACK
- C. The UAS sends this message in response to an earlier ACK received
- D. It is not possible for the UAS to send this message
- E. The UAS sends this message in response to an earlier INVITE received
