Which of the following statements is correct?
Statement 1: Manually selecting disks for a disk domain is a risky, therefore unadvised, process.
Statement 2: All LUNs in a disk domain must share the same RAID level.

• A.Statement 1 is false. Statement 2 is true.
• B.Statement 1 and 2 are both false.
• C.Statement 1 and 2 are both true,
• D.Statement 1 is true. Statement 2 is false.

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A storage cluster has five C72 nodes. Adopt the front and back 10CF networking mode.
When deploying distributed system services and object storage services in a mixed manner, how many number of IP addresses that need to be planned for the front-end business network?

• A.91
• B.71
• C.81
• D.61

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Which of the following options is wrong about the AK/SK authentication process?

• A.OceanStor9000 will check SK according to AK after receiving the request and signature
• B.OceanStor9000 will compare the received signature with the signature calculated by the corresponding system. If they are consistent, the authentication is passed.
• C.When the user initiates a data request, the SK and the requested content are encrypted using the IAC algorithm to generate a signature.
• D.After OceanStor9000 retrieves the SK, it uses the MD5 algorithm to encrypt the content of Zhang and the request and generate a signature.

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S5752 or S5352 switches support AC power modules only.

• A.FALSE
• B.TRUE

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The object service provides a wealth of object resource (bucket or object) access permission control capabilities. Of which, ACLs can only be used to prohibit permissions and cannot grant permissions.

• A.False
• B.True

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