Cisco 400-051 CCIE Collaboration Online Training
Cisco 400-051 Online Training
The questions for 400-051 were last updated at Oct 23,2025.
- Exam Code: 400-051
- Exam Name: CCIE Collaboration
- Certification Provider: Cisco
- Latest update: Oct 23,2025
Which two SCCP call signaling messages are sent by an IP phone to Cisco Unified Communications Manager? (Choose two.)
- A . SoftKeyEvent
- B . OpenReceiveChannelAck
- C . StartMediaTransmission
- D . SelectSoftKeys
- E . CloseReceiveChannel
- F . StopTone
Which device is the initiator of a StationInit message in a Cisco Unified Communications Manager SDI trace?
- A . Cisco Unified Communications Manager
- B . MGCP gateway
- C . Cisco Music on Hold server
- D . SCCP IP phone
- E . SIP Proxy Server
Refer to the exhibit.
You received this debug output to troubleshoot a Cisco IOS MGCP gateway problem at a customer site.
Which statement about this endpoint on the Cisco MGCP gateway is true?
- A . This endpoint is on a T1 Controller 0/1/0.
- B . This endpoint is on an E1 Controller 0/1/0.
- C . This endpoint is on a T1 Controller 0/1/1.
- D . This endpoint is on an E1 Controller 0/1/2.
- E . This endpoint is on an T1 Controller 0/1/2.
To which SIP response class do the SIP response codes 300 to 399 belong?
- A . Provisional
- B . Client Failure
- C . Server Failure
- D . Successful
- E . Redirection
Which SIP request method enables reliability of SIP 1xx response types?
- A . ACK
- B . PRACK
- C . OPTIONS
- D . CANCEL
- E . REGISTER
Which SIP response is considered a final response?
- A . 183 Session in Progress
- B . 199 Early Dialog Terminated
- C . 200 OK
- D . 180 Ringing
- E . 100 Trying
Which two SDP content headers can be found in a SIP INVITE message? (Choose two.)
- A . Expires
- B . Contact
- C . Connection Info
- D . Media Attributes
- E . Allow
- F . CSeq
Refer to the exhibit.
If this SIP call is initiated using early offer, which SIP message will UA#2 use to communicate its media capability to UA#1?
- A . INVITE
- B . 180 Ringing
- C . 200 OK
- D . ACK
- E . RTP Media
Refer to the exhibit.
If this SIP call is initiated using delayed offer, which SIP message will UA#1 use to communicate its media capability to UA#2?
- A . INVITE
- B . 180 Ringing
- C . 200 OK
- D . ACK
- E . RTP Media
Which two responses are examples of client error responses in SIP protocol? (Choose two.)
- A . 302 Moved Temporarily
- B . 404 Not Found
- C . 503 Service Unavailable
- D . 502 Bad Gateway
- E . 604 Does Not Exist Anywhere
- F . 408 Request Timeout
Latest 400-051 Dumps Valid Version with 563 Q&As
Latest And Valid Q&A | Instant Download | Once Fail, Full Refund
