SQL injection is a common application layer attack, usually through building special input parameters and pass it to web applications to steal or sabotage the application data. Which of the following is the target for SQL injection?

Some applications may encounter large traffic fluctuations within a short period. When ECS is used with
_______, the number of ECS instances is automatically adjusted based on traffic.

Which of the following statements is true for RDS?

A/Anis a copy of data on a disk at a certain point in time.

A company uses Alibaba Cloud SLB and Auto Scaling at the same time, hoping this combination can help save O&M cost and provide a stable and reliable system.
However, because they do not have relevant experience, the company's engineers listed some precautions based on their understanding, and turned the list to you for advice.
As an expert of Alibaba Cloud, you tell them only is correct.