Which of the following scenarios is GeminiDB is suitable for? (Multiple choice)

• A.Data redundancy across AZ is required to ensure reliability
• B.Need super write performance
• C.Requires computing resources and storage resources to support independent expansion
• D.Need to support data models such as documents, wide tables, data structures, time series, etc.

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A software developer specializing in small and micro financial systems has a large number of users, but because the current operating model is mainly based on selling licenses, it is necessary to allocate corresponding operation and maintenance personnel for customers scattered throughout the country. Which caused a lot of waste of operation and maintenance costs.
The company wants to change this business model, which solution can it adopt?

• A.Use cloud middleware to transform software architecture and improve efficiency
• B.Software SaaS
• C.Application microservices solution
• D.Use Serverless function computing platform

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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.After discovering slow SQL, judge whether the SQL statement writing and execution plan need to be optimized
• B.Use cloud monitoring to determine which SQL statements caused the problem during the slow query response period
• C.Use the slow query log to determine which SQL statements caused the problem during the slow query response period
• 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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HUAWEI CLOUD tenants use one DDM instance and one RDS instance respectively, and create a logic library, which contains 8 shards.
As the business grows, it is necessary to smoothly expand an RDS instance. After the expansion, how many shards are there on each RDS?

• A.8
• B.12
• C.16
• D.4

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What are the product advantages of image search? (Multiple choice)

• A.Massive search
• B.Customizable
• C.Simple and efficient
• D.High search accuracy

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