Free Practice Questions for Alibaba ACA-Operator Exam

Question 1

How does Cloud Config get permission to gather information about other Alibaba Cloud services?

AAn Access Key

BA RAM Role

CBy storing a copy of your password

DIt gets automatic permission to access everything, because it is an Alibaba Cloud service

Correct Answer: B. A RAM Role

Explanation:

https://www.alibabacloud.com/help/doc-detail/156642.htm

Question 2

Which of these Alibaba Cloud services are used for security (either credentials management, logging, or auditing?) (Number of correct answers: 3)

AActionTrail

BLog Service

CKey Management Service (KMS)

DTable store

Correct Answer: A. ActionTrail; B. Log Service; C. Key Management Service (KMS)

Explanation:

https://www.alibabacloud.com/help/doc-detail/27280.htm

Question 3

CloudMonitor is for tracking operations on cloud resources.

ATrue

BFalse

Correct Answer: B. False

Explanation:

https://www.alibabacloud.com/help/doc-detail/35170.htm

Question 4

When you use SQL statements to access tables in a database without an index configured, a full table scan will be performed. If a table contains a large amount of data, this kind of scan will access a large amount of data and consume a lot of the database's resources. Which of the following options are best practices when creating database indexes? (Number of correct answers: 3)

AAdd an index to a field that is frequently queried but does not frequently perform add, delete, or modify operations.

BApplies indices to fields to contain many records.

CA table should not contaiiAiore than 6 indexed fields.

DApply indexing to fields of fixed length (preferably not long fields).

EAdhere to the rightmost prefix principle when using composite indexes

Correct Answer: A. Add an index to a field that is frequently queried but does not frequently perform add, delete, or modify operations.; C. A table should not contaiiAiore than 6 indexed fields.; D. Apply indexing to fields of fixed length (preferably not long fields).

Question 5

Which command should you run to create the resources described in the Terraform scripts?

Aterraform init

Bterraform plan

Cterraform destroy

Dterraform apply

Correct Answer: D. terraform apply

Explanation:

https://www.terraform.io/docs/cli/commands/apply.html

Question 6

Which of the following is NOT required for SMC (Server Migration Center) to

migrate a server to Alibaba Cloud?

AImport the migration source information to the SMC console

BFrom the SMC console, configure the type of disk image to be generated during the migration

CThe SMC client transfers the source data to an intermediate ECS instance

DThe SMC backend service generates a target Alibaba Cloud image based on the migration source

Correct Answer: B. From the SMC console, configure the type of disk image to be generated during the migration

Explanation:

https://www.alibabacloud.com/help/doc-detail/127116.htm

Question 7

Which of these are important concepts in Terraform's configuration language, HCL? (Number of correct answers: 3)

AProvider

BVariable

CResource

DService Mesh

Correct Answer: A. Provider; B. Variable; C. Resource

Question 8

Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with ECS? (Number of correct answers: 3)

AQuickly build a personal blog website

BQuickly build a small e-commerce website

CQuickly build serverless site using Function Compute

DSet up a NoSQL database service

EQuickly build a personal, learning, or test environment

Correct Answer: A. Quickly build a personal blog website; B. Quickly build a small e-commerce website; E. Quickly build a personal, learning, or test environment

Explanation:

https://www.alibabacloud.com/help/doc-detail/58620.htm

Question 9

Which database utility is suitable for managing databases in a centralized manner?

ADMS

BDBS

CDTS

DDAS

Correct Answer: A. DMS

Explanation:

https://www.alibabacloud.com/help/doc-detail/47550.htm

Question 10

Which of the following steps is NOT mandatory when creating an API through Alibaba Cloud API Gateway?

ADefine basic API information

BAttach a domain name

CDefine API Request parameters

DDefine the API backend service

Correct Answer: B. Attach a domain name

Explanation:

https://www.alibabacloud.com/help/doc-detail/29478.htm