Regarding the description of DDS, which of the following statements is correct? (Multiple choice)

• A.The replica set contains multiple replicas. When the primary node fails, DDS can achieve a second-level master/standby switch
• B.DDS has a multi-node replica set high-availability architecture, providing extremely high business availability guarantee
• C.Through the configuration of VPC, subnet, and security group, DDOS protection uses SSL security access and other multi-layer security protection systems to effectively resist Various malicious attacks to ensure data security
• D.DDS supports read-write separation, and its write operations can only be performed on the master node in the replica set

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Application Operation Management AOM is a cloud operation and maintenance platform for operation and maintenance, development, operation personnel and IT managers. It monitors operation and operation data in real time in the form of logs, indicators, and events.
May I ask AOM to provide hundreds of operation and maintenance indicators, which of the following functions are also included? (Multiple choice)

• A.Host monitoring, to know the resource usage, trends and alarms of the host in time
• B.Application panorama, with application as the center, pull through multi-dimensional correlation analysis of services, instances, hosts, middleware, etc.
• C.Application monitoring: layer-by-layer correlation of applications, services, instances, containers, and processes
• D.Indicator monitoring, displaying on the indicator tree through the hierarchical relationship of resources

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UML provides architects with a drawing specification that accurately describes the architecture of a system with a single graph.

• A.False
• B.True

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Which of the following services does not support the management of HUAWEI CLOUD Container Platform?

• A.Cloud container instance CCl
• B.Container Image Service SWR
• C.Cloud Container Engine CCE
• D.Application Service Network ASM

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Which of the following is not an advantage of smart quality inspection solutions?

• A.Random inspection
• B.Intelligent analysis
• C.Fully automated quality inspection
• D.Multi-data source access

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