If you are running an online ticket booking service with relatively fixed traffic, then which kind of charging mode is more suitable for you?

In mainland China, the approval requirements for business record filing vary depending on provincial communication management bureaus.

RDS provides whitelist access policies. You can set permitted IP addresses and IP network segments to effectively prevent hackers from attacking the server by port scanning.

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. Which of the following application scenarios are suitable for Auto Scaling?
(Choose three.)

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.