In the FusionSphere server virtualization scenario, if the customer needs to use the software router and the routing network in the VPC, which of the following components needs to be installed?

• A.VSAM
• B.VPC
• C.FusionStorage Manage
• D.FusionCompute

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Which of the following descriptions about the FusionCompute storage model is correct?

• A.A storage resource can create multiple storage devices.
• B.One-to-one correspondence between data storage and storage devices,
• C.Multiple storage resources can jointly create a storage device,
• D.A storage device can create multiple data stores.

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Which of the following descriptions about FusionC1oud troubleshooting are correct? (Multiple choice)

• A.When determining the solution for troubleshooting, the impact should be assessed first, and the normal operation of the business should be prioritized.
• B.The principle is to restore the system as soon as possible.
• C.If you want to perform some major operations during the troubleshooting process, you should back up the relevant databases, alarm information, and log files.
• D.Fault handling should comprehensively consider the possibility and time cost of the corresponding operation to restore business success.

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The security management of accounts in FusionAccess is also an important part of the operation and maintenance work. The following What is wrong about the description of changing the password of the Linux infrastructure server "gandalf" account?
item?

• A.The "gandalf" account is used to start and stop VAG services on the VAG server
• B."gandalf" account can be used for SSH login to Linux server
• C.The "gandalf" account is the local ordinary user account of the Linux server
• D.If the "gandalf" account of the linux infrastructure server where the vAG and HDC components are located is modified at the same time password, you need to reconfigure the HDC component

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The FusionAccess system supports the function of backup and recovery. The following about FusionAccess recovery Description of the policy, which items are correct? (many)

• A.The recovery strategy includes software reinstallation recovery and system reinstallation recovery
• B.If you need to restore WI data, you must use the system reinstallation recovery method
• C.If there is a failure caused by some or all software of the infrastructure server, it is necessary to reinstall the software and take advantage of it.
  Data recovery using backup data on the backup server
• D.If the operating system of the infrastructure server fails, you can create a new server and reinstall the software And use the backup data on the backup server for data recovery

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