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Jan/2019 Real 400-051 Dumps Free Download from Braindump2go[Q244-Q254]


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QUESTION 244
What is the maximum number of option 66 IP addresses that a Cisco IP SCCP phone will accept and use from a DHCP server?

A. 1
B. 2
C. 3
D. 4
E. 5

Answer: A

QUESTION 245
Which two statements about BFCP with Cisco Unified Communications Manager are true? (Choose two.)

A. BFCP is supported only on full SIP networks.
B. Cisco Unified Communications Manager allows BFCP only over UDP.
C. BFCP is not supported for third-party endpoints.
D. BFCP is not supported through Cisco Unified Border Element.
E. BFCP is supported between Cisco Unified Communications Manager and a TelePresence MCU.

Answer: AB

QUESTION 246
Which two statements about the restrictions for support of H.239 are true? (Choose two.)

A. SIP to H323 video calls using H.239 are not supported.
B. Redundancy for H.323 calls is not supported.
C. H.239 calls are not supported over intercluster trunks with Cisco Unified Communications Manager.
D. H.239 is not supported with third-party endpoints.
E. Cisco Unified Communications Manager supports a maximum of three video channels when using H.239.

Answer: AB

QUESTION 247
Which method does a Cisco Unified 9971 phone use to send keep-alive messages to Cisco Unified Communications Manager?

A. SIP NOTIFY with Event set to keep-alive
B. SIP OPTIONS
C. SIP REGISTER with Expires set to zero
D. SCCP StationRegister
E. SCCP StationServerReq

Answer: C

QUESTION 248
Refer to the exhibit. Which user agent has the recipient role in this SIP REFER call transfer?

A. user agent A
B. user agent B
C. user agent C
D. user agent B and C
E. user agent A and B

Answer: B

QUESTION 249
In a SIP REFER-based call transfer, which SIP message is being used by the recipient to
notify the originator that the final recipient was successfully contacted?

A. 200 OK
B. NOTIFY with a message body of 200 OK
C. 202 Accepted
D. 100 Trying
E. 200 BYE

Answer: B

QUESTION 250
When the Cisco Unified Communications Manager service parameter "Auto Call Pickup Enabled" is selected, which two softkeys on an IP phone connect you to an incoming call? (Choose two.)

A. Pickup
B. Gpickup
C. CallBack
D. Select
E. Join

Answer: AB

QUESTION 251
Which three requirements must be met to share Enhanced Location Based Call Admission Control bandwidth usage between clusters? (Choose three.)

A. The Cisco Unified Communications Manager version must be 8.6 or higher.
B. The location name must be the same on both clusters.
C. SIP ICT must use the Shadow location.
D. The Location Bandwidth Manager Service should be started on only two servers in each cluster.
E. A Location Bandwidth Manager Hub Group must be created for each cluster.
F. Links must be created to the Shadow location.

Answer: BCE

QUESTION 252
Refer to the exhibit.The exhibit shows an outgoing SIP 401 response message from Cisco Unified Communications Manager to a SIP VoIP service provider gateway. Which action can the Cisco Unified Communications Manager systems administrator use to change the response to "200 OK"?

A. Make sure the gateway IP address of the SIP VoIP service provider is defined correctly in Cisco Unified Communications Manager SIP trunk.
B. Enable OPTIONS ping on Cisco Unified Communications Manager SIP trunk.
C. Disable OPTIONS ping on Cisco Unified Communications Manager SIP trunk.
D. Create an SIP response alias to force outgoing 401 messages to "200 OK".
E. Disable digest authentication on Cisco Unified Communications Manager SIP trunk.

Answer: E

QUESTION 253
On a Cisco Unified Communications Manager SIP trunk with a single remote device and OPTIONS ping feature enabled, which response from the SIP remote peer causes the trunk to be marked as "Out of Service"?

A. 401 Unauthorized
B. 505 Version Not Supported
C. 406 Not Acceptable
D. 408 Request Timeout
E. 500 Server Internal Error

Answer: D

QUESTION 254
Which two responses from a SIP device, which is the only remote destination on a Cisco Unified Communications Manager SIP trunk with OPTIONS ping enabled, cause the trunk to be marked as "Out of Service"? (Choose two.)

A. 503 Service Unavailable
B. 408 Request Timeout
C. 505 Version Not Supported
D. 504 Server Timeout
E. 484 Address Incomplete
F. 404 Not Found

Answer: AB


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