Tracing Analysis is used to analyze and diagnose performance bottlenecks in a distributed application architecture and make microservice development and diagnostics more efficient.

• A.True
• B.False

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Which Alibaba Cloud service is used to manage cloud computing resources including the deployment?

• A.Operation Orchestration Service (OOS)
• B.Maintenance Orchestration Service (MOS)
• C.Resource Orchestration Service (ROS)
• D.Resource Access Management (RAM)

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A system operator can tag resources for costing and billing purposes.

• A.True
• B.False

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Which of the following features are unique to Alibaba Cloud Container Registry, as compared with Docker Hub? (Number of correct answers: 2)

• A.You can set your image repository access to public or private.
• B.You can create and delete image repositories in different regions based on your needs.
• C.Container Registry can automatically build new Docker images when source code changes.
• D.For source code hosted on websites outside China, Container Registry can use servers outside China to build Docker images, even when you are using a Container Registry instance in Mainland China.

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Serverless Workflow allow you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. Which of the following service integration modes is not supported by Serverless Workflow?

• A.Request response mode
• B.Synchronization mode
• C.Asynchronous mode
• D.Waiting for callback mode

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