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.
Explanation:
s0/su1/ds1-0/2 this message describe that the prot is 0/1/0 and ds describe that this
port is E1
So, is it T1 or E1 😉 ?
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DSI = T1 (No E1)
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I think this 400-051 dumps are very good for the people who do not have much time for their 400-051 exam preparation. You can easily pass the exam only by memorize these exam questions. Believe or not, I did so and I passed my 400-051 exam:
QUESTION 1
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
Answer: AB
Explanation:
This message indicates which soft key was pressed. Upon receipt of this mesage,CallManager invokesthe action associated with thepressed soft key. For example, if Hold was the pressed soft key,CallManager places the active call on user hold.In some trace files you might see a soft key number without the corresponding description. The following list defines each soft key number.
QUESTION 2
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
Answer: D
Explanation:
StationInit means that an inbound Transmission Control Protocol (TCP) message
from a Skinny station reached CallManager. A Skinny station is any endpoint that uses the Skinny protocol to communicate with CallManager
QUESTION 3
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.
Answer: A
QUESTION 4
Refer to the exhibit. You received this debug output to troubleshoot a Cisco IOS MGCP gateway media-related problem at a customer site. What is the purpose of this message?
A. The MGCP gateway is responding to an RQNT message from Cisco Unified Communications Manager
to poll the media capabilities on its endpoints.
B. The MGCP gateway is responding to an AUEP message from Cisco Unified Communications Manager
to poll the media capabilities on its endpoints.
C. The MGCP gateway is responding to an AUCX message from Cisco Unified Communications Manager
to poll the active calls on its endpoints.
D. The MGCP gateway is responding to an MDCX message from Cisco Unified Communications Manager
during a call setup.
E. The MGCP gateway is responding to a DLCX message from Cisco Unified Communications Manager
during a call setup.
Answer: E
QUESTION 5
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
Answer: E
Explanation:
Redirection — further action needs to be taken in order to complete the request.
That is what this class implies.
QUESTION 6
Which SIP request method enables reliability of SIP 1xx response types?
A. ACK
B. PRACK
C. OPTIONS
D. CANCEL
E. REGISTER
Answer: B
Explanation:
In order to achieve reliability for provisional responses, we do nearly the same thing.
Reliable provisional responses are retransmitted by the TU with an exponential backoff.
Those retransmissions cease when a PRACK message is received.
The PRACK request plays the same role as ACK, but for provisional responses.
There is an important difference, however. PRACK is a normal SIP message, like BYE.
QUESTION 7
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
Answer: C
Explanation:
Indicates the request was successful.Wheather other options state the request is still in progress or request is intiated.
QUESTION 8
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
Answer: CD
Explanation:
Connection info is optional field in sdp wheather Media attributes decide the codec and media type for that call.
QUESTION 9
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
Answer: C
Explanation:
In Early offer, SIP Send SDP in the invite , the other node will send the SDP in the 200 message.
QUESTION 10
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
Answer: D
Explanation:
In the Delayed Offer process, the calling does not send its offer in the SIP INVITE Message. The callee sends the offer within the SDP fields of its answer (SIP 200 OK). The calling answers within the ACK message.
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I will always upload the newest questions timely!
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