Alibaba ACA-Cloud1 Exam
ACA Cloud Computing Certification Exam (Page 6 )

Updated On: 30-Jan-2026

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.

  1. TRUE
  2. FALSE

Answer(s): B



Alibaba Cloud CDN can directly accelerate the access to the files stored in OSS and reduce OSS traffic costs.

  1. TRUE
  2. FALSE

Answer(s): A



Which of the following ECS instance configurations can't be changed if we don't change instance type?

  1. Mem size
  2. System disk size
  3. Data disk size
  4. Number of data disk

Answer(s): B



Alibaba Cloud’s object storage (Object Storage Service, OSS for short) can be used to store massive amount of files, but there is still a maximum number of files in a single bucket.

  1. TRUE
  2. FALSE

Answer(s): A



Server Load Balancer supports health checks for ECS instances and allows user to specify the frequency. If an ECS instance does not qualify the health check, traffic will not be forwarded to that instance, thereby ensuring application availability.

  1. TRUE
  2. FALSE

Answer(s): B



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