In Huawei cloud computing solution, which of the following cluster rule group is wrong?

• A.Mutex virtual machine
• B.Associate virtual machine
• C.Virtual machine to host
• D.Aggregation virtual machines

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Huawei ManageOne ServiceCenter provides several default service templates. Which of the following is wrong about the description of the service template?

• A.The cloud disk instance can be mounted on a running cloud host instance.
• B.Unified management of computing, storage, and network resources within the VDC (Virtual Data Center).
• C.In the universal cloud hosting service, support advanced attributes such as custom hostname, key pair and password.
• D.Elastic IP address is a static, public IP address that associates an Elastic IP address with a cloud host.

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About the typical characteristics of ServerSAN, which descriptions are correct? (Multiple Choice)

• A.Use a generic device to instead of a dedicated storage device to provide block storage services
• B.Simple management, low TCO
• C.Computing and storage linear expansion can be achieved
• D.Block storage software and vendor-specific hardware platform strong coupling binding

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B companies need to enable the access control on the cluster's virtual machine resource, the following description about the virtual machine resources, which are the wrong? (Multiple choice)

• A.You can assign CPU individual physical cores to a single virtual machine.
• B.The network QoS policy provides bandwidth configuration control ability and does not support traffic throttling between virtual machines on the same host.
• C.You can set the resources' usage limit on Virtual machines, including CPU, memory, network, disk IOPS and so on.
• D.If the host memory is sufficient, the virtual machine's memory requests can be unrestricted; if the host memory is low, then allocate according to the memory level and share

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Which of the following description about the FusionStorage MDC module is wrong?

• A.MDC through message exchange between the OSD (Object Storage Device), VBS to implement the acquisition and notification of the OSD, VBS node status changes.
• B.MDC (Metadata Controller) is a highly reliable cluster, through HA (High Availability) mechanism to ensure the high availability and high reliability of the entire system.
• C.MDC through the ZooKeeper cluster, to achieve the reliable preservation of metadata.
• D.The MDC communicates with the VBS (Virtual Block System) to realize the capacity expansion, status query and maintenance of the system.

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