Which of the following are the key features of Huawei's DCS service? (Multiple choice)

• A.Standard specifications: support stand-alone, active and standby modes
• B.Autonomous operation and maintenance: Pre-provide a large number of monitoring indicators, support custom monitoring thresholds and alarm strategies
• C.Elastic expansion: One-click elastic expansion, transparent to the business, and unaware of the business
• D.Data reliability: data persistence and backup and recovery ensure high data reliability

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Regarding the description of GeminiDB for Cassandra materialized views, which of the following statements is incorrect?

• A.The write performance of the materialized view is lower than the normal list
• B.The materialized view and the source data table have the same read performance
• C.The data update of the materialized view is real-time
• D.Materialized views may cause high load on local nodes

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Which of the following options is not the product value of the container delivery line?

• A.Tenants do not need to create a mirror
• B.Out of the box
• C.Seamlessly attributed to Huawei software development services
• D.Pluggable CI/CD tool
• E.End-to-end agile delivery

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HUAWEI CLOUD provides a key management service for docking with multiple basic cloud services to provide convenient data encryption protection for tenants on the cloud. Which of the following services does not support the direct use of key instances?

• A.NAT gateway
• B.Relational Database Service (RDS)
• C.Object Storage Service (OBS)
• D.Cloud Disk Service (EVS)

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What are the main modules of the Huawei Microservice Engine CSE? (Multiple choice)

• A.Microservice Management Center
• B.Consistency management
• C.Service Configuration Center
• D.API Gateway

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