Online Access Free AlibabaCloud.ACA-Cloud1.v2021-11-30.q55 Practice Test (Page 10)

ACA-Cloud1 Exam Question 41

As a cloud computing service provider, Alibaba Cloud provides security services including________. (Choose two.)

A.Security operation for underlying hardware of cloud computing.

B.Application maintenance in ECS instances.

C.Security isolation between cloud computing tenants.

D.IP white list setting for RDS.

ACA-Cloud1 Exam Question 42

When we talk about the 'Elastic' feature for ECS product, we are not talking about .

A.Elastic Computing

B.Elastic Network

C.Elastic Storage

D.Elastic Administration

ACA-Cloud1 Exam Question 43

Which of the following scenarios is applicable to use RDS read-only instances?

A.Implements data backtracking for the last two days.

B.Reduces the read pressure on the RDS primary instance.

C.Improves RDS storage capabilities.

D.Reduces the write pressure on the RDS primary instance.

ACA-Cloud1 Exam Question 44

Which of the following statements is true for RDS?

A.Multiple databases can be created in one RDS instance.

B.Databases with the same name are allowed in the same instance.

C.Resources are not shared among the databases in the same RDS instance.

D.None of the above is true.

ACA-Cloud1 Exam Question 45

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

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

C.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.

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

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ACA-Cloud1 Exam Question 41

ACA-Cloud1 Exam Question 42

ACA-Cloud1 Exam Question 43

ACA-Cloud1 Exam Question 44

ACA-Cloud1 Exam Question 45

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