The NAS storage system implements file system sharing, and the underlying protocol uses iSCSI for data transmission.

• A.False
• B.True

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Huawei storage products implement the active/passive data center solution based on HyperMetro. Applications are categorized so that some applications are running in data center A and hot backed up in data center B while other applications are running in data center B and hot backed up in data center A, thereby achieving the active-active effect.

• A.FALSE
• B.TRUE

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The object storage services provided by OceanStor9000 (compatible with Amazon S3 and OpenStack Swift) all provide a unified RESTful API. Clients can access storage nodes through STfulAPI to achieve data storage.

• A.False
• B.True

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Which of the following options describes the bucket is wrong?

• A.Buckets and Containers have similar functions, and both can be accessed through the network.
• B.Buckets support nesting, thus avoiding a hierarchical container structure.
• C.A bucket is a container used to store objects and can be regarded as a directory that can be accessed through the network.
• D.Bucket lifecycle management refers to configuring rules to realize the function of automatically deleting objects in the bucket after a certain period of time without client intervention.

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Which of the following statements about the bucket is incorrect?

• A.Lifecycle management of a bucket means automatically deleting objects from buckets after a certain period of time based on configuration rules without client intervention.
• B.Buckets can be nested, thereby avoiding complicated container structure.
• C.The function of a bucket is similar to that of a container. Both of them can be accessed through the network.
• D.A bucket is a container for storing objects. It can be considered as a directory that can be accessed through the network.

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