最新なAlibaba Cloud ACP-Cloud1問題集（178題）、真実試験の問題を全部にカバー！

質問 1：
When using Auto Scaling, you want to add or remove ECS instances based on the utilization rate of computing resources. For example, you want to remove one ECS instance when the average CPU utilization rate is not greater than 30%. In this case, you need to set the scaling rule "Remove 1 ECS instance" and
____________ to finish the configuration.
A. Create a scaling configuration
B. Create an event-triggered task
C. Create a scheduled task
D. Configure the attributes of the scaling group
正解：B
解説: (Pass4Test メンバーにのみ表示されます)

質問 2：
Alibaba Cloud SLB can distribute user requests to backend ECS instances. These ECS instances must have the same specification (CPU, Memory)
A. False
B. True
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 3：
For ECS and RDS instances under different Alibaba Cloud accounts but in the same region, which of the following statements is NOT correct for migrating self-built MySQL databases (running on ECS) to RDS?
A. The data can be imported via the Intranet
B. The data can be imported by running mysqldump.
C. The data can be imported via the public network.
D. The data cannot be migrated.
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 4：
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
正解：C
解説: (Pass4Test メンバーにのみ表示されます)

質問 5：
Many cloud computing service providers support users to activate/create a cloud service through Open API.
Which of the following protocols is most not likely to be supported by these Open API?
A. Web Service
B. HTTP
C. PPPoE
D. Restful
正解：C
解説: (Pass4Test メンバーにのみ表示されます)

質問 6：
Which of the following methods can be used to connect with the database in RDS for MySQL? (Choose three.)
A. SQL Server Management Studio
B. Log on using MySQL commands
C. Navicat MySQL
D. MySQL-Front
正解：B,C,D
解説: (Pass4Test メンバーにのみ表示されます)

質問 7：
When a customer uses Alibaba Cloud Object Storage Service (OSS) service and finds there exist an amount of Internet downstream traffic, he/she can use Alibaba Cloud Content Delivery Network (CDN) service to reduce the traffic cost.
Because the Internet traffic cost of CDN is lower than that of OSS, moreover, the back-to-source traffic cost from CDN to OSS is also lower than a user access to OSS directly.
A. False
B. True
正解：B
解説: (Pass4Test メンバーにのみ表示されます)

質問 8：
Auto Scaling is a management service that can automatically adjust elastic computing resources based on your business needs and policies. To ensure ECS instances created by Auto Scaling can correctly respond to user requests without additional configuration, applications deployed on these ECS instances must be
_______________.
A. Stateful
B. Stateless and horizontally scalable
C. Stateless and idempotent
D. All data is locally stored on ECS instance disks
正解：B
解説: (Pass4Test メンバーにのみ表示されます)