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 statements about the Peer Firmware Sharing option for IP phone firmware distribution are true? (Choose two.)
- A . This option uses a parent-child hierarchy in which a firmware image is downloaded by a parent phone to up to three directly associated child phones.
- B . This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP.
- C . This option mandates that the parent phone and child phones be identical, selected phone models.
- D . This option allows firmware transfers between phones in different subnets, as long as the round-trip delay is less than 5 milliseconds.
- E . This option uses a parent-child hierarchy that must be manually defined by the Cisco Unified Communications Manager administrator.
- F . This option allows falling back to the TFTP server in the Cisco Unified Communications Manager cluster.
Which two statements about the Cisco UC on UCS specs-based virtualization support model are true? (Choose two.)
- A . It has a configuration-based approach.
- B . It has a rule-based approach.
- C . It has less hardware flexibility compared to the third-party server specs-based support model.
- D . It has less hardware flexibility compared to the UC on UCS TRC support model.
- E . VMware vCenter is optional with this support model.
Which definition is included in a Cisco UC on UCS TRC?
- A . required RAID configuration, when the TRC uses direct-attached storage
- B . configuration of virtual-to-physical network interface mapping
- C . step-by-step procedures for hardware BIOS, firmware, drivers, and RAID setup
- D . configuration settings and patch recommendations for VMware software
- E . server model and local components (CPU, RAM, adapters, local storage) by name only; part numbers are not included because they change over time
Which capability is support by LLDP-MED but not by Cisco Discovery Protocol?
- A . LAN speed discovery
- B . network policy discovery
- C . location identification discovery
- D . power discovery
- E . trust extension
In a Cisco EnergyWise domain, which two terms describe a Cisco IP phone? (Choose two.)
- A . endpoint
- B . domain member
- C . child domain member
- D . EnergyWise agent
- E . Cisco power distribution unit
Which statement about Cisco EnergyWise domain member neighbor formation is true?
- A . Cisco EnergyWise supports static neighbors, but the neighbor relationship is only possible if a noncontiguous domain member and a contiguous domain member have a static neighbor entry pointing to each other.
- B . Cisco EnergyWise static neighbors can be formed even if domain members are not physically contiguous.
- C . Static neighbors can be manually defined on Cisco EnergyWise domain members, but TCP protocols must be used.
- D . Static neighbors can be manually defined on Cisco EnergyWise domain members, but they have a lower priority compared to the autodiscovered members.
- E . Static neighbors can be manually defined on Cisco EnergyWise domain members and the TCP or UDP protocol can be used.
Refer to the exhibit.
Assuming that the administrator has never performed any manual custom uploads, which two file types can be found when you choose Software Upgrades, followed by TFTP File Management on the Cisco Unified Operating System Administration web page for Cisco Unified Communications Manager? (Choose two.)
- A . IP phone configuration files
- B . announcement audio files
- C . ringer files
- D . IP phone license files
- E . sample music-on-hold audio files
- F . softkey template files
Which four attributes are needed to determine the time to complete a TFTP file transfer process? (Choose four.)
- A . file size
- B . file type
- C . network interface type
- D . round-trip time
- E . packet loss percentage
- F . response timeout
- G . network throughput
What is the maximum number of call-processing subscribers in a standard deployment of a Cisco Unified Communications Manager Session Management Edition cluster?
- A . 3
- B . 4
- C . 5
- D . 8
- E . 16
Which two SCCP call signaling messages are initiated by Cisco Unified Communications Manager to an IP phone? (Choose two.)
- A . SoftKeyEvent
- B . CloseReceiveChannelAck
- C . CallState
- D . KeypadButton
- E . OpenReceiveChannel
- F . Offhook
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