Câu 21: ACP-Cloud: ACP Cloud Computing Certification

Alibaba Cloud will check source IP addresses that connect to ApsaraDB for RDS through public Internet. When Alibaba Cloud Situation Awareness detects an alert reporting “a seldom-used IP address connecting to the database”, which of the following is the safest way to handle this alert?

1. A. This alert does not matter and can be ignored
2. B. Log on to Alibaba Cloud console, modify the IP address whitelist for authorized access to RDS, and retain the IP addresses that need to connect to RDS — đáp án hiện tại
3. C. Modify the security group policies for ECS instances, and allow only specified IP addresses to connect to the server
4. D. Log on to RDS console, and view the SQL audit logs to check whether any destructive operation has been performed. If no, you do not need to handle the alert