Which of the following operations performed by HUAWEI CLOUD tenants does not help to improve the security of the cloud database?

• A.Download slow log
• B.Turn on the audit log function
• C.Back up the database regularly
• D.Modify the database port

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Which of the following options are the value characteristics of the blockchain? (Multiple choice)

• A.Tamper-proof and traceable
• B.Transparent and credible
• C.Multi-party consensus
• D.Non-repudiation

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ICAgent is the collection agent of APM. It runs on the elastic cloud server where the application is located. It is used to collect monitoring data such as topology and call chain in real time. Which of the following statements is incorrect?

• A.The application launched through the Services tage can automatically complete the deployment of the collection probe
• B.The resource overhead of each collection probe is extremely small and will not affect the business
• C.Support data collection for applications developed in C language
• D.Realize non-intrusive data collection through JVM bytecode technology, users do not need to modify business code

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TP99 delay is the minimum time required to satisfy 99% of network requests.

• A.False
• B.True

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Compared with traditional swipe-type turnstiles, what are the advantages of face turnstiles? (Multiple choice)

• A.Accurately identify the identity of visitors
• B.Prevent punching and cheating on behalf of others
• C.Manage the flow of people and regulate pedestrian access
• D.Improve traffic efficiency

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