Which of the following is the component used in Kubernetes for persistent storage?

• A.etcd
• B.kubelet
• C.api-server
• D.event-controller

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UML state diagram shows the life cycle of a class.

• A.False
• B.True

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Which of the following options are the main challenges faced by general e-commerce platforms? (Multiple choice)

• A.Lack of data support for business strategies
• B.Security is difficult to guarantee
• C.Responding to business surges with high risk
• D.Poor user experience

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The network quality of real-time battle games has a great impact on the player experience. For this scenario, it is recommended that tenants use dynamic BGP public network IP addresses to meet high reliability requirements.

• A.True
• B.False

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Which of the following are the competitiveness and value of edge video analytics? (Multiple choice)

• A.Cloud model training: automatic training, good algorithm scalability and convenient update
• B.Business value: Intelligent analysis of surveillance video, real-time perception of abnormal events such as intrusion and heavy traffic, reducing the labor cost of the park
• C.Edge-cloud collaboration, full lifecycle management of edge applications, seamless upgrades
• D.Good compatibility, it can take advantage of the existing IPC cameras in the old park, and through edge-cloud collaboration, it can be changed to a smart camera

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