Flink has no restart strategy.

• A.True
• B.False

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Which of the following description about FusionInsight multi-tenant management is correct? (Multiple choice)

• A.One-stop management of tenant resources, computing resources (CPU/memory/IO), storage resources (HDFS), service resources (HBase...)
• B.A multi-level tenant model that matches the organizational structure of the enterprise, different departments correspond to different tenants, and tenants are dynamically added or deleted on demand
• C.Isolation of tenant resources based on the container mechanism, escorting tenant SLA
• D.Visualized multi-level tenant management, matching the corporate organizational structure, simplifying system resource allocation and management

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In Huawei Fusioninsight HD, which of the following components are Flink strongly dependent on? (Multiple choice)

• A.Zookeeper
• B.HDFS
• C.YARN
• D.Kafka

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ApplicationMaster applies for and receives resources from ResourceManager through the RPC protocol in a polling manner.

• A.False
• B.True

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Colocation file-level colocation realizes fast file access, avoiding a large amount of network overhead caused by data relocation.

• A.False
• B.True

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