Online Access Free ACP-Cloud1 Exam Questions

When using ECS, you don't have to stop the ECS instance before resizing the system disk.

• A.True
• B.False

After stopping an Alibaba Cloud Elastic Compute Service (ECS) instance, since the ECS instance is stopped, you will not be charged for anything related to that ECS instance until you start the instance again regardless of which region the instance is located in.

• A.True
• B.False

When using Alibaba Cloud SLB, a user configures the Health Check as follows: response timeout value set to
5 seconds, Health Check interval set to 2 seconds, unhealthy threshold value set to 3, and healthy threshold value set to 3. That is to say, to confirm a backend ECS instance is healthy, three successive normal responses are required.
If the current status of a backend ECS instance is unhealthy, and you finish the repair work immediately, it will take at least _______________ for SLB Health Check to confirm this instance is healthy again.

• A.21 seconds
• B.6 seconds
• C.11 seconds
• D.5 seconds

Using Alibaba Cloud ECS, SLB, and Auto Scaling in combination, you can build a stable, efficient, and secure system at a low cost. This system can distribute loads based on predefined policies and automatically scale resources with changing business volume. Which of the following statements is correct?

• A.A scaling group may correspond to multiple SLB instances, but they must be within the same zone.
• B.An SLB instance can bind multiple Auto Scaling groups, and the scaling configurations of these scaling groups can be different.
• C.An SLB instance can bind multiple Auto Scaling groups, but the scaling configurations of these scaling groups must be consistent.
• D.A scaling group may correspond to multiple SLB instances, but they must be within the same region.

All versions of Alibaba Cloud RDS use master-slave mode to ensure high availability. When the master database fails, RDS will switch to the standby database within 30 seconds.

• A.True
• B.False