Cisco 400-051 CCIE Collaboration Online Training
Cisco 400-051 Online Training
The questions for 400-051 were last updated at Oct 22,2025.
- Exam Code: 400-051
- Exam Name: CCIE Collaboration
- Certification Provider: Cisco
- Latest update: Oct 22,2025
Company ABC is planning to migrate from MCS-hosted Cisco Unified Communications Manager applications to Cisco UC on UCS B-Series servers.
Which statement about installation media support is true for this migration?
- A . The install log can be written to a USB flash drive that is attached to the UCS server.
- B . The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from a USB flash drive to perform an unattended installation on the UCS server.
- C . The Cisco Music on Hold USB audio sound card can be mapped to a virtual USB port on a VMware virtual machine on the UCS server.
- D . The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from an FLP image that is mounted in a virtual floppy drive.
- E . The Cisco Music on Hold USB audio sound card can be mapped to a virtual serial port on a VMware virtual machine on the UCS server.
Which statement about the Cisco UC on UCS TRC and the third-party server specs-based virtualization support model is true?
- A . Both the UC on UCS TRC and the third-party servers spec-based support models have rule-based approaches.
- B . The UC on UCS TRC support model has a rule-based approach and the third-party servers spec-based support model has a configuration-based approach.
- C . The UC on UCS TRC support model requires a high level of virtualization experience while the third-party server spec-based support model requires a low to medium level virtualization experience.
- D . VMware vCenter is mandatory for the UC on UCS TRC support model but it is optional for the third-party server spec-based support model.
- E . VMware vCenter is optional for the UC on UCS TRC support model but it is mandatory for the third-party server spec-based support model.
Which definition is included in a Cisco UC on UCS TRC?
- A . storage arrays such as those from EMC or NetApp, if applicable
- B . configuration of virtual-to-physical network interface mapping
- C . step-by-step procedures for hardware BIOS, firmware, drivers, and RAID setup
- D . server model and local components (CPU, RAM, adapters, local storage) at the part number level
- E . configuration settings and patch recommendations for VMware software
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 supported by Cisco Discovery Protocol but not by LLDP-MED?
- A . LAN speed and duplex discovery
- B . Network policy discovery
- C . Location identification discovery
- D . Power discovery
- E . Trust extension
Which two mechanisms does Cisco EnergyWise use for neighbor discovery? (Choose two.)
- A . multicast
- B . LLDP-MED
- C . UDP broadcast
- D . Cisco Discovery Protocol
- E . TCP
Which protocol does the Cisco Prime LAN Management Solution application use to communicate with Cisco EnergyWise domain members?
- A . UDP broadcast
- B . Cisco Discovery Protocol
- C . UDP unicast
- D . TCP
- E . multicast
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? (Choose two.)
- A . IP phone configuration files
- B . sample music-on-hold audio files
- C . Identity Trust List files
- D . IP phone license files
- E . Mobile Voice Access audio files
- F . softkey template files
Which statement describes a disadvantage of using the Cisco TFTP service to serve IP phone load files?
- A . The Cisco TFTP services can run on only one Cisco Unified Communications Manager server in a cluster.
- B . Because TFTP operates on top of UDP, there is a high risk of corrupted load file delivery at the completion of the TFTP process due to undetected data loss in the network.
- C . If a response is not received in the timeout period, the TFTP server will not resend the data packet.
- D . Packet loss can significantly increase the TFTP session completion time.
- E . Because TFTP operates with an adaptive timeout period, the time to complete the file transfer is unpredictable.
Which two statements about using the Load Server option for IP phone firmware distribution are true? (Choose two.)
- A . This option must be enabled on at least two servers in a Cisco Unified Communications Manager cluster.
- B . This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP.
- C . Phone firmware must be manually copied to any applicable load servers.
- D . The load server will not function if its IP address is not in the same subnet as the IP phones.
- E . This option is only available for newer IP phone models.
- F . This option does not accommodate falling back to Cisco TFTP on error.
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