In the Huawei desktop cloud, which of the following are the factors in the performance triangle model that affect the density of virtual machines? (Multiple Choice)

• A.Capacity
• B.Density
• C.QoS
• D.Workload

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In the FusionSphere server virtualization scenario, after the FusionManager-distributed VM is deleted on the FusionCompute interface, the FusionAccess management interface corresponds to the VM state is not changed.

• A.True
• B.False

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About the discription of the interaction flow between FusionStorage major modules, which are correct?
(Multiple Choice)

• A.When the OSD (Object Storage Device) starts to query the MDC for the affiliation MDC, it reports the status to the affiliation MDC, and the affiliation MDC sends the status change to the VBS. When the affiliation MDC fails, the master MDC designates an MDC to take over the OSD. The same MDC can have up to two affiliation resource pools.
• B.When the VBS (Virtual Block System) starts to query the primary MDC, register with the master MDC(the primary MDC maintains a list of active VBS, primary MDC synchronize the VBS list to other MDC so that the MDC can inform the VBS of the OSD state changes), confirm whether they are leaders to the MDC; VBS obtain IO View from the main MDC, the main VBS obtain metadata from the OSD, other VBS obtain the metadata from the main VBS metadata.
• C.The number of MDC and the number of ZooKeeper are always the same.
• D.When the system starts, the MDC (Metadata Controller) interacts with the ZooKeeper to determine the MDC. The master MDC and the other MDC monitor the heartbeat mutually, and the master MDC determines the successor after some MDC failure. The other MDC discovers that the master MDC fails and interacts with the ZooKeeper to determine o be promoted to the master MDC.

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Company A plans to deploy a large number of linked clone desktops and use one OceanStor 5500 as the back-end storage. Which disk scheme is more suitable?

• A.100 1TB SAS hard disks form a storage pool with internal RAID5 type
• B.50 2TB SATA hard disks form a storage pool with internal RAID6 type
• C.100 1TB SAS hard disks form a storage pool with internal RAID6 type
• D.50 2TB SATA hard disks form a storage pool with internal RAID5 type

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When the FusionSphere OpenStack OM creates specifications, if virtual machine large page memory is set, NUMA affinity is enabled by default.

• A.FALSE
• B.TRUE

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