Which of the following databases has excellent geographic location computing functions and complete transaction support?

• A.SQL Server
• B.MySQL
• C.PostgreSQL
• D.MogoDB

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Which of the following scenarios does not reflect the characteristics of cloud native applications?

• A.An enterprise needs to transform offline systems into microservices and migrate to the cloud. In order to shorten the development cycle, use DevOps to develop and transform services.
• B.A small website uses virtual machines to deploy services. In order to cope with the problem of overload caused by the sudden increase in traffic during peak hours, elastic scaling is used to automatically expand the virtual machine resources.
• C.A game platform uses container technology to obtain the ability to quickly release service resources during peak business periods and solves the problem of low resource utilization under peak loads.
• D.The version of an e-commerce platform is frequently released and updated. In order to solve the problem of customer loss during system upgrade and maintenance, the container gray-scale release method is used to achieve smooth version switching.

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What is the default scheduling mode of Spark Job?

• A.FIFO
• B.FAIR
• C.LIFO
• D.Specify at runtime

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In the big data offline processing scheme architecture, the batch processing engine is used to achieve high-performance offline batch processing job operation.
Which of the following HUAWEI CLOUD big data offline batch processing engines can be used to process SQL jobs?

• A.Spark SQL
• B.MapReduce
• C.Hive
• D.Spark

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What security measures are included in the Huawei Cloud DRS data replication service? (Multiple choice)

• A.System hardening
• B.Use security groups
• C.Power isolation
• D.Use SSL channel

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