Alibaba Cloud Related Exams
ACP-Cloud1 Exam
You have set an alert policy for the disk usage of an ECS instance by using Alibaba Cloud CloudMonitor. Each measurement cycle lasts for 5 minutes, during which the average disk usage is measured. If the average disk usage exceeds 80% for five consecutive measurement cycles, an alert will be reported. After your average disk usage exceeds 80%, how long will it take to receive an alert?
If users use Alibaba Cloud Anti-DDoS Basic service, when the attack traffic exceeds the service upper limit, the black hole policy will then be triggered; after that, the users’ servers can still provide services at a limited speed.
A user builds an ECS + SLB + RDS architecture on Alibaba Cloud, with Auto Scaling to dynamically manage ECS instances. For business needs, they use ApsaraDB for Redis as a cache for hot data, requiring ECS instances to be added or removed from the Redis whitelist as they scale. As an Alibaba Cloud architect, which three Auto Scaling and OOS features would you recommend to automate adding and removing instances from the Redis whitelist? (Choose three.)