The RabbitMQ module in FusionSphere OpenStack Exchange types include? (Multiple choice)

• A.Topic
• B.Direct
• C.Fanout
• D.Route

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During the active/standby deployment of Huawei ManageOne ServiceCenter, a single ServiceCenter VM fails. After the VM is restarted, services cannot be restored.
Which of the following are the possible reasons? (Multiple Choice)

• A.The network where the virtual machine in is IP conflict
• B.The host where the virtual machine is located is faulty.
• C.Temporary change of iptables rules results in limited access to virtual machines
• D.The file system of the virtual machine is destroyed.

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What do IT architects need to consider when designing a cloud data center project?

• A.Easy to maintain
• B.Reliability
• C.Security
• D.High performance
• E.Easy to expand

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About the description of the FusionSphere OpenStack Cinder module, which is correct (Multiple choice)

• A.FusionSphere OpenStack and KVM Virtualization Environments FusionStorage storage resource docking must be through FusionStorage Manager to control and switch
• B.when FusionSphere OpenStack and VRM do storage resources docking, it must be done through the VRM control transfer.
• C.The FusionSphere OpenStack Cinder module supports stateful expansion.
• D.When FusionSphere OpenStack and VMware do storage resources docking; it must be through vCenter Server to control and transfer.

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The virtual machine fails to be started on the FusionCompute. Which of the following measures can be used to fix the fault? (Multiple Choice)

• A.Check the remaining space of the storage to ensure that there is enough storage space
• B.Recreate a virtual machine of the same specification
• C.Repair the host network link
• D.Exit the host from maintenance mode

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