Cisco 400-051 Exam

Which two header fields do a SIP user Agent Server use to indicate that the message needs Provisional Response Acknowledgement? (choose two)

  • A. Allow: 100rel
  • B. Cseq:[Numeric value that uniquely identifies the response message]
  • C. Rack:[Numeric value that uniquely identifies the response message]
  • D. Require: 100rel
  • E. Rseq:[Numeric value that uniquely identifies the response message]
  • F. Allow-Events: 100rel
Answer: Option D. E.
Explanation: 
No answer description available for this question

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button
error: Content is protected !!

Adblock Detected

Please consider supporting us by disabling your ad blocker