ACA-Cloud1無料問題集「Alibaba Cloud ACA Cloud Computing Associate」

質問 1

Some applications may encounter large traffic fluctuations within a short period. When ECS is used with
__________ , the number of ECS instances is automatically adjusted based on traffic.

（A）OSS

（B）Auto Scaling

（C）RDS

（D）Server Load Balancer

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

A company wants to migrate its system to public cloud platform and they choose Alibaba Cloud. The migration process is very important and they want to ensure that everything works right. Which of the following services can the company choose?

（A）Alibaba Cloud Product Operation Training

（B）Event Management Service

（C）Aftersales Support

（D）Alibaba Cloud Architecture Design Training

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

Company A builds a sales management platform based on Alibaba Cloud services, using 3 ECS instances. One of the ECS instance has MySQL installed as the database server of the platform, the other two are used as WEB servers. After some time, due to the rapid increase of employees and sales analysis requests, the performance of the platform is challenged in terms of response time. Through CloudMonitor, it is found that the average CPU usage reaches 70% for the two WEB server ECS instances and the database load reaches
75% for the database server ECS instance. In this situation, company A may choose which Alibaba Cloud services to improve the performance. (Choose two.)

（A）Use content delivery network, CDN, to accelerate the caching of the platform's css, JavaScript files etc.

（B）Import data into OSS to share the storage load of the platform.

（C）By adding a SLB instance and increase the number of ECS instances to reduce the work load on current ECS instances.

（D）Use RDS to replace existing self-built database, in order to obtain better database performance; also creating RDS read-only instances to handle read-only requests, hence reduce the work load on master RDS instance.

正解：A、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

Multiple lower-configuration I/O-optimized ECS instances can be used withto deliver a high- availability architecture.

（A）OSS

（B）Auto Scaling

（C）RDS

（D）Server Load Balancer

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

Which of the following statements to OSS bucket is not correct?

（A）Bucket name can be changed after creation

（B）Every bucket should have a unique name

（C）Every user can create more than one bucket

（D）There is no limitation to objects number inside one bucket

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

Alibaba Cloud relational database service (RDS) is a stable, reliable and elastic online database service. RDS supports below database types? (Choose three.)

（A）PostgreSQL

（B）SQL Server

（C）MySQL

（D）Oracle database

正解：A、B、C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

Which three of the following statements about domain name binding to your OSS bucket are correct? (Choose three.)

（A）the number of domain names you bind to one bucket can't exceed 20

（B）mapping a domain name to your bucket endpoint is mandatory

（C）Your customized domain name will be audited by Alibaba Cloud

（D）your customized domain name need to be put on record in MIIT (Ministry of Industry and Information Technology)

正解：A、C、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

ACA-Cloud1 無料問題集「Alibaba Cloud ACA Cloud Computing Associate」

弊社を連絡する

関連リンク

トップ試験