ACP-Cloud1 試験問題を無料オンラインアクセス

Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies It supports adding an existing ECS instance into the scaling group but imposes certain requirements on instance region In this case, which of the following statements is true?

• A.Each scaling group can span up to two regions. After adding the ECS instance, the number of regions of all the ECS instances in the scaling group must be no greater than two.
• B.The instance and the scaling group must be in the same region but not necessarily the same zone.
• C.The instance and the scaling group can be in different regions and zones.
• D.The instance and the scaling group must be in the same region and zone.

Which of the following ports does RDS for MySQL listen on by default?

• A.Port 3060
• B.Port 3306
• C.Port 3600
• D.Port 8080

A startup video streaming company deploys its service on Alibaba Cloud Elastic Compute Service (ECS) Christmas is coming soon and the CEO knows that they need to prepare more computing resources However, they don't want to purchase a large number of Elastic Compute Service (ECS) instances tor a long period of time. Instead, they want to buy ECS instances for a short period of time and release them after the event is over. Which of the following billing methods of ECS is the most suitable?

• A.Pay-As-You-Go with Reserved Instances
• B.Subscription with Reserved Instances
• C.Pay-As-You-Go with Savings Plan
• D.Pay-As-You-Go Only

Before data communication is setup, the security groups match the security group rules one by one to query whether to allow access requests Assume that the user has created two security group rules 1 and 2 The protocol type, port range, authorization type, and authorization object of the two security group rules are the same. The difference is that Rule 1 is a denial policy, rule 2 is an allowed policy, so the following statement is correct_______ (Number of correct answers 2)

• A.If rule 1 and rule 2 have the same priority, the rule of the allowed policy takes effect first, and the rule that of the denial policy does not take effect.
• B.If rule 1 and rule 2 have different priorities, the rule with a small priority number takes effect
• C.If rule 1 and rule 2 have different priorities, the rule with a large priority number takes effect.
• D.If rule 1 and rule 2 have the same priority, the rule of the denial policy takes effect first, and the rule of the allowed policy does not take effect

RDS for MySQL supports cross-zone migration within the same region.

• A.FALSE
• B.TRUE