A company has a variety of services such as mail and online storage, and has limited storage space. It plans to use Smart Thin technology to optimize storage space.
Regarding Smart Thin, which of the following statements are correct? (Multiple Choice)

• A.Smart Thin does not allocate all the space in advance, but presents the capacity form larger than the physical storage space to the customer
• B.Smart Thin does not support the creation of LUNs larger than the maximum physical free space of the storage pool
• C.Smart Thin virtualizes storage resources
• D.The implementation of Smart Thin is to allocate on demand

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The size of the primary LUN and the secondary LUN in remote replication must be the same

• A.False
• B.True

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Which of the following two descriptions is correct?
Description 1: Synchronous remote replication. When the primary storage fails, the amount of data loss can be zero.
Description 2: When the host is a Linux-based file system, asynchronous remote replication must be used.

• A.Both description 1 and description 2 are correct
• B.Description 1 is wrong, description 2 is correct
• C.Both description 1 and description 2 are wrong
• D.Description 1 is right, description 2 is wrong

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Which statements are correct about storage expansion? (Multiple Choice)

• A.Scale-Up technology needs to increase storage equipment to increase storage capacity
• B.Scale-Out technology can increase storage performance and capacity
• C.Scale-UP technology is horizontal expansion, Scale-Out technology is vertical expansion
• D.The device nodes of Scale-Out can be in the same city

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What kind of technology does the OceanStor 5300 V3 expansion controller belong to?

• A.Scale-up
• B.Scale-deep
• C.Scale-out
• D.Scale-in

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