Which of the following statements about CAS software version upgrade is correct?

• A.Before upgrading the CAS software version, you need to back up your business data.
• B.As long as you perform the upgrade operation on the CVM host, you can also complete the upgrade operation of the CVK host managed by the CVM host.
• C.When upgrading services, it is recommended to shut down the VM normally from within the VM and suspend the shared storage pool.
• D.If you do not clear the browser cache after the upgrade, CAS page access exceptions may occur

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Which of the following descriptions about virtual machine high availability HA is correct?

• A.After the cluster enables the HA function, all hosts in the cluster are required to mount the system shared storage
• B.After enabling the HA function, CVM will continuously monitor the operation of all server hosts and virtual machines in the cluster. When a host or virtual machine fails, CVM will immediately respond and restart all affected virtual machines on other available hosts in the cluster.
• C.After the cluster enables HA, all virtual machines in the cluster have HA enabled, and the HA function of a single virtual machine cannot be disabled.
• D.HA functionality provides easy-to-use, cost-effective availability for applications running on all virtual machines in a cluster.

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The correct statement for fast cloning of a virtual machine with a three-level disk architecture is

• A.This operation has no impact on the original virtual machine architecture
• B.The Base0 file of the cloned virtual machine disk is not the same as the Base0 file of the original virtual machine disk.
• C.The cloned virtual machine disk data may be different from the original virtual machine data
• D.The cloned virtual machine disk is a three-level architecture

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Which of the following statements about configuring a virtual switch is incorrect?

• A.When adding a virtual switch, you must bind a physical interface, and when binding multiple physical interfaces, you must configure link aggregation mode and load sharing mode.
• B.The virtual machine uses the vNet0 port of the virtual switch, and the port is configured with VLAN100. Then the physical switch port connected to the virtual switch must allow VLAN100 to pass through, otherwise the virtual machine network will be unavailable.
• C.The storage virtual switch must be configured with a P address, otherwise the CVK host cannot mount the iP SAN storage through the storage virtual switch.
• D.The uplink port of the virtual switch allows all VLANs to pass

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Which of the following statements about configuring VM operating system information is correct?

• A.The deployed virtual machine needs to be added to the AD domain, so the operating system information needs to be configured using the quick initialization method
• B.The deployed virtual machine needs to be added to the AD domain, so the operating system information needs to be configured using the full initialization method.
• C.When using the quick initialization method to configure the operating system information, the CAS Tools tool must be installed in the virtual machine template.
• D.When using the full initialization method to configure the operating system information, it is required that the CAS Tools tool is installed in the virtual machine template.

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