When the business requires a high-availability, high-reliability, large-capacity, high-concurrency Redis data cache, which type of Huawei Cloud Distributed Cache DCS service should be selected for the application?

• A.Proxy cluster
• B.Cluster
• C.Active and standby
• D.Stand-alone

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Which of the following ways can tenants find the reason for the slow query of the RDS database? (Multiple choice)

• A.Use cloud monitoring to determine which SQL statements caused the problem during the slow query response period
• B.Use the slow query log to determine which SQL statements caused the problem during the slow query response period
• C.After discovering slow SQL, judge whether the SQL statement writing and execution plan need to be optimized
• D.Through cloud monitoring, it is judged that there is a problem of excessive network throughput during the period of slow query response

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Which of the following are the uses of typical middleware? (Multiple Choice)

• A.Load balancing: support massive access
• B.Message queue: module asynchronous decoupling
• C.Cache database: hotspot data cache
• D.Distributed database middleware: supports massive data
• E.Security service: Apply WAF security

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Which of the following are the application scenarios of HUAWEI CLOUD APM (Application Performance Management Service)? (Multiple Choice)

• A.Use the topological diagram to grasp the health of the application
• B.Trace the root cause of the problem through the call chain
• C.Use templates to deploy applications to the cloud in one click
• D.Analyze transaction status through Apdex value

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What functions are used in the face gate scenario program? (Multiple choice)

• A.Intrusion detection
• B.Face database management
• C.Face detection
• D.Face search

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