RDS for MySQL is a PaaS, which means after creating the RDS instance, the user does not need to take care of the underlying OS, runtime environment of software packages. These would be taken care of by Alibaba Cloud.

• A.TRUE
• B.FALSE

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Which of the following statements to OSS bucket is not correct?

• A.Every user can create more than one bucket
• B.Bucket name can be changed after creation
• C.Every bucket should have a unique name
• D.There is no limitation to objects number inside one bucket

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Server Load Balancer can help protect fromattack.

• A.DDoS
• B.Virus
• C.Ransomware
• D.SQL injection

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Alibaba Cloud provides anti-DDoS products of different levels. If the service availability needs to be kept at
99.9% or higher under DDoS attacks, which of the following is the MOST suitable product?

• A.Anti-DDoS Service Basic
• B.Managed Security Service
• C.Situation Awareness
• D.Anti-DDoS Service Pro

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Alibaba Cloud Monitor service stems from years of experience of server monitoring technology in Alibaba group, leveraging the powerful data analysis capability of Alibaba cloud computing platform to provide monitoring service for various clients' applications and servers. A user receives an alert saying that the IOPS utilization rate for an ECS instance exceeds 80%. Yet, he/she is not sure how to handle the situation, the user may obtain help from Alibaba Cloud through the below methods ? (Choose three.)

• A.You cannot obtain any help from Alibaba Cloud.
• B.Open a ticket to Alibaba Cloud help desk.
• C.Look for answers in Alibaba Cloud forum.
• D.Check ECS or CloudMonitor product documents.

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