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2021 Mar 400-051 free download
Q81. Which tag in the SIP header is used by Cisco Unified Communications Manager to deliver a blended identity of alpha URI and number?
A. x-cisco-callinfo
B. x-cisco-service-control
C. x-cisco-serviceuri
D. x-cisco-number
E. x-cisco-uri
Answer: D
Q82. Which Device Pool configuration setting will override the device-level settings only when a device is roaming within a device mobility group?
A. Region
B. Location
C. SRST Reference
D. Calling Party Transformation CSS
E. Media Resource Group List
Answer: D
Q83. Which two types of devices on Cisco Unified Communications Manager support iSAC? (Choose two.)
A. MGCP
B. SIP
C. SCCP
D. Music on Hold server
E. H.323
Answer: BC
Q84. Refer to the exhibit.
A user is going through a series of dialing steps on a SIP Type B IP phone (for example, a Cisco 7975) to call an SCCP IP phone. Both phones are registered to the same Cisco Unified Communications Manager cluster. Assuming the calling SIP phone is associated with a SIP Dial Rule with a pattern value of 2001, which statement about the call setup process of this call is true?
A. Each digit will arrive at Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event, and Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones.
B. Each digit will arrive at Cisco Unified Communications Manager in a SIP NOTIFY message as a KPML event. When.the collected digits match the extension of the SCCP IP phone, Cisco Unified Communications Manager will extend the call only if the class of service configuration on both phones permits this action.
C. As soon as the user selects the Dial softkey, the SIP IP phone will forward all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones.
D. As soon as the user selects the Dial softkey, the SIP IP phone will forward all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call only if class of service configuration on both phones permits this action.
E. The SIP IP phone will wait for the interdigit timer to expire, and then send all digits to Cisco Unified Communications Manager in a SIP INVITE message. Cisco Unified Communications Manager will extend the call as soon as the collected digits match the extension of the SCCP IP phone, bypassing class of service configuration on both IP phones.
Answer: D
Q85. Which three Cisco Unity Connection call handler greetings can be overridden by the internal greeting? (Choose three.)
A. holiday
B. alternate
C. error
D. busy
E. closed
F. standard
Answer: AEF
Update 400-051 actual exam:
Q86. According to ITU-T E.164 recommendations, which two fields in the National Significant Number code may be further subdivided? (Choose two.)
A. Country Code
B. National Destination Code
C. Subscriber Number
D. Regional Significant Number
E. Local User Code
F. National Numbering Plan
Answer: BC
Q87. Which statement describes the external database requirement for the Cisco IM and Presence permanent group chat feature?
A. All nodes in a Cisco IM and Presence cluster can share a physical external database.
B. All nodes in a Cisco IM and Presence cluster can share a logical external database.
C. Each node in a Cisco IM and Presence cluster must have its own physical external database.
D. Each node in a Cisco IM and Presence cluster must have its own logical external database.
E. An external database is not mandatory.
Answer: D
Q88. A queued call has reached the maximum wait time configured for a Cisco Unified Communications Manager native call queue.
Which statement about what happens to this queued call is true?
A. Calls are handled according to the Forward Hunt No Answer settings on the Hunt Pilot configuration page.
B. Calls are handled according to the When Maximum Wait Time Is Met settings on the Hunt Pilot Configuration page.
C. Calls are handled according to the When Maximum Wait Time Is Met settings in Cisco Unified Communications Manager Service Parameters.
D. Calls are handled according to the Not Available Hunt Option settings on the Line Group Configuration page.
E. Calls are handled according to the When Queue Is Full settings on the Hunt Pilot Configuration page.
Answer: B
Q89. Refer to the exhibit.
All displayed devices are registered to the same Cisco Unified Communications Manager server and the phones are engaged in an active call. Assuming the provided configurations exist at the phone line level and multicast MOH is disabled clusterwide, what will happen when the user of IP Phone A presses the Transfer softkey?
A. The IP Phone B user hears audio source 3 from MOH Server A.
B. The IP Phone B user hears audio source 4 from MOH Server B.
C. The IP Phone B user hears audio source 3 from MOH Server B.
D. The IP Phone B user hears audio source 2 from MOH Server B.
E. The IP Phone A user hears no on-hold music.
Answer: C
Q90. Which statement describes the question mark wildcard character in a SIP trigger that is configured on Cisco Unity Express?
A. It matches any single digit in the range 0 through 9.
B. It matches one or more digits in the range 0 through 9.
C. It matches zero or more occurrences of the preceding digit or wildcard value.
D. It matches one or more occurrences of the preceding digit or wildcard value.
E. It matches any single digit in the range 0 through 9, when used within square brackets.
Answer: C