Which of the following statements about InfoTier node pools in Huawei OceanStor 9000 are true? (Multiple Choice)

• A. All nodes in a node pool must be of the same type.
• B. A node pool that consists of P nodes must contain a minimum of three nodes.
• C. If an OPS-intensive application scenario, it is recommended that node pools consist of P nodes.

Which are big data's characteristics defined by IDC? (Multiple Choice)

• A. Velocity
• B. Volume
• C. Variety
• D. Value

Huawei OceanStor 9000 storage system consists of multiple subsystems.
Which subsystem is used for file storage?

• A. Management subsystem
• B. WushanSQL
• C. Fusionlnsight Hadoop
• D. WushanFS

Which of the following is not the OceanStor 9000's characteristics?

• A. The OceanStor 9000 provides object storage service compatible with Amazon Simple Storage Service (S3) APIs and OpenStack Swift APIs.
• B. The OceanStor 9000 adopts OceanStor DFS, Huawei-developed distributed file system, to store massive unstructured data and supports global namespace.
• C. The OceanStor 9000 supports interconnection with Fusioninsight Hadoop or Cloudera Hadoop which are developed from the open-source Hadoop components, helping users easily build an enterprise big data analysis platform.
• D. The OceanStor 9000 adopts distributed metadata management and supports linear expansion from three to 4000 nodes.

Huawei OceanStor 9000 uses the DFS to consolidate disk resources of all nodes, providing a unified namespace.

• A. TRUE
• B. FALSE