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
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.
What does a comma accomplish when it is used in a SIP Dial Rule pattern that is associated with a Cisco 9971 IP Phone that is registered to Cisco Unified Communications Manager?
- A . It inserts a 500-millisecond pause between digits.
- B . It causes the phone to generate a secondary dial tone.
- C . It is a delimiter and has no significant dialing impact.
- D . It indicates a timeout value of 5000 milliseconds.
- E . It is an obsolete parameter and will be ignored.
What does a period accomplish when it is used in a SIP Dial Rule pattern that is associated with a Cisco 9971 IP Phone that is registered to Cisco Unified Communications Manager?
- A . It matches any single digit from 0 to 9.
- B . It matches one or more digits from 0 to 9.
- C . It is a delimiter and has no significant dialing impact.
- D . It matches any single digit from 0 to 9, or the asterisk (*) or pound (#) symbols.
- E . It matches one or more digits from 0 to 9, or the asterisk (*) or pound (#) symbols.
What does a weight represent in the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager?
- A . It defines the bandwidth that is available between locations.
- B . It defines the bandwidth that is available on a link.
- C . It is the amount of bandwidth allocation for different types of traffic.
- D . It is used to provide the relative priority of a link between locations.
- E . It is used to provide the relative priority of a location.
Which statement about the effective path in the Enhanced Location Call Admission Control mechanism on Cisco Unified Communications Manager is true?
- A . It is a sequence of links and intermediate locations that connect a pair of locations.
- B . It is used to define the bandwidth that is available between locations.
- C . Only one effective path is used between two locations.
- D . There could be multiple effective paths between a pair of locations.
- E . It logically represents the WAN link.
Which configuration component in Cisco Unified Communications Manager Enhanced Location Call Admission Control is designated to participate directly in intercluster replication of location, links, and bandwidth allocation data?
- A . an active member of a Location Bandwidth Manager Group
- B . a member of a Location Bandwidth Manager Hub Group
- C . a standby member of a Location Bandwidth Manager Group
- D . all members of a Location Bandwidth Manager Group
- E . a shadow member of a Location Bandwidth Manager Hub Group
What is the amount of audio bandwidth, in kilobits per second, that is used in the Cisco Unified Communications Manager location bandwidth calculation for a G.728 call?
- A . 8
- B . 16
- C . 24
- D . 29
- E . 80
When neither the active or standby Location Bandwidth Manager in the configured LBM group is available, what will the Cisco CallManager service on a subscriber Cisco Unified Communications Manager server do to make location CAC decisions?
- A . It will attempt to communicate with the first configured member in the Location Bandwidth Manager hub group.
- B . It will use the Call Treatment When No LBM Available service parameter with the default action to allow calls.
- C . It will use the Call Treatment When No LBM Available service parameter with the default action to reject calls.
- D . It will attempt to communicate with the local LBM service for location CAC decisions.
- E . It will allow all calls until communication is reestablished with any configured servers in the LBM group.
Which system location is used for intercluster Enhanced Location CAC on Cisco Unified Communications Manager?
- A . Hub_None
- B . Default
- C . Intercluster
- D . Phantom
- E . Shadow
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 B presses the Hold softkey?
- A . IP Phone A receives audio source 2 from MOH Server A.
- B . IP Phone A receives audio source 3 from MOH Server A.
- C . IP Phone A receives audio source 2 from MOH Server B.
- D . IP Phone A receives audio source 3 from MOH Server B.
- E . IP Phone A receives audio source 1 from MOH Server A.
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