The total CPU resources of a FusionCompute host are 3.00 GHZ, and the virtual machine A is configured with QoS The policy reserves 1.00 GHz CPU resources, which of the following statements is correct? (one)

• A.Other virtual machines can use up to 1.00 GHz of CPU resources
• B.Virtual machine A can use at least 1.00 GHz of CPU resources
• C.Virtual machine A can use at least 2.00 GHz of CPU resources
• D.Other virtual machines can use up to 3.00 GHz of CPU resources

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In Huawei's disaster recovery solution, which of the following is correct about the description of VRG?

• A.After creating and configuring the VRG, create a snapshot for it immediately to prevent unavailability caused by mis-operation
• B.When using storage replication for disaster recovery, VRG needs to be deployed on FusionCompute
• C.When using the host replication disaster recovery method, only the virtual machine on the CAN host where VRG is deployed can be protected
• D.When a VRG cannot meet the load requirements, a new VRG needs to be added. The newly added VRG cannot be created by cloning, but can only be deployed by template

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In the FusionSphere private cloud solution, the mongodb service is abnormal due to the abnormal power failure of a host. At this point, you can clear the mongodb ERROR node data, restart mongodb, and automatically synchronize the data to complete the recovery.

• A.TRUE
• B.FALSE

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In the FusionSphere private cloud solution, a tenant needs to do a disaster recovery test after applying for the cloud service disaster recovery service. Which of the following is true about the description of the disaster tolerance testing process?

• A.The disaster recovery test work is initiated by the administrator and does not require user participation
• B.The production-side business needs to be suspended during disaster recovery testing
• C.The disaster recovery test has no impact on the production VM business
• D.The disaster recovery test needs to be synchronized with the main-end business to ensure data consistency

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Which of the following types of hardware changes is not supported by an RDS instance?

• A.the hard disk capacity is reduced
• B.memory reduction
• C.CPUIncrease
• D.CPUreduce

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