Free Alibaba Cloud ACA-Developer Practice Test & Real Exam Questions

Exam Code/Number: ACA-Developer
Exam Name/Title: ACA Developer Certification
Certification Provider: Alibaba Cloud
Corresponding Certification: Alibaba Developer

Exam Questions: 97
Updated On: Sep 06, 2026

Question #1

A mobile application developer intends to use Alibaba Cloud Object Storage Service (OSS) to store the end user data for their app, and to ensure data isolation between each user of the app, to prevent one user from obtaining another's data. Which method can be done to meet these requirements?

A. STS authorization

B. RAM Policy

C. Object Policy

D. Bucket Policy

Discussion 0

Correct Answer: A Vote an answer

Question #2

As more businesses move online and collect more data about their users, databases are beginning to grow very large, affecting table query performance and business operations. In order to solve these problems, in addition to sub-database sub-table transformation, we can also use Data Management Service (DMS)'s archiving function to regularly archive large table data. We can then remove the archived records from the original table to improve query performance. Which of these statements about this feature of DMS is NOT correct?

A. Backup data can be stored In OSS

B. The user role of this operation must be 'administrator" or "DBA"

C. Before you can use this feature of DMS, you must first enable Alibaba Cloud's Database Backup Service (DBS)

D. The supported database types are RDS MySQL and PolarDB MySQL

Discussion 0

Correct Answer: B Vote an answer

Question #3

Which of the following is NOT a valid state for a scaling activity in Alibaba Cloud's Elastic Scaling Service ESS -also known as Auto Scaling) state of the scaling activity in the Alibaba Cloud elastic scaling group?

A. Timeout

B. Failed

C. Rejected

D. Executing

Discussion 0

Correct Answer: B Vote an answer

Question #4

Serverless Workflow allows you to orchestrate distributed tasks in sequence, branch, and parallel modes, and ensure that tasks are reliably coordinated according to your workflow logic. Which of the following service integration modes is not supported by Serverless Workflow?

A. Request response mode

B. Waiting for callback mode

C. Synchronization mode

D. Asynchronous mode

Discussion 0

Correct Answer: C Vote an answer

Question #5

Which of the following detection protocol is NOT supported by CloudMonitor's Site Monitoring feature?

A. TCP/UDP

B. SNMP

C. DNS

D. HTTP(S)

Discussion 0

Correct Answer: B Vote an answer

Question #6

Which
of the following parameter locations should be specified for the parameter of key1 where the request URL is in the form: http://somesite.com/test?key1 =[value1] ?

A. HTTP Header

B. HTTP Body

C. Parameter Path

D. Query

Discussion 0

Correct Answer: C Vote an answer

Question #7

A developer runs a web application on a physical machine in an IDC. The machine is running Ubuntu Linux.
Which of the following is the recommended method if he wants to migrate this web application onto an Alibaba Cloud ECS instance?

A. Use a third-party image creation tool to create an image from the physical server. Upload the image to the ECS console to turn it into a custom image. Then, use the custom image to create ECS instances.

B. Use a third-party image creation tool to create an image from the physical server. The image is then uploaded to Alibaba Cloud Object Storage Service (OSS) for storage. In the ECS console, import that image from OSS, then, create an ECS instance from the custom image.

C. Use SMC(Server Migration Center) to collect data from the origin physical server. Create an intermediate ECS instance on Alibaba Cloud and wait for the data transfer to complete. Then generate a new image directly from that intermediate ECS instance.

Discussion 0

Correct Answer: A Vote an answer

Question #8

When versioning is enabled for an OSS Bucket, previous versions of objects will be retained, using storage space and incurring additional costs. How can you save space and reduce costs, while retaining some of the benefits of object versioning?

A. Use OSS's built in lifecycle management capabilities to move old versions of objects to Archival Storage.

B. Use the Function Compute Service to regularly check for and delete old versions of objects.
C Use OSS s built in lifecycle management capabilities to automatically delete old versions of objects after a set time.

C. Avoid using version management.

Discussion 0

Correct Answer: A Vote an answer

Question #9

Which of the following configurations cannot improve the stability, reliability or availability of an Alibaba Cloud Scaling Group? (Number of correct answers: 3)

A. Select multiple VPCs when creating the scaling group

B. In the process of creating a Scaling Group, associate multiple Server Load Balancers

C. When creating the scaling group, select multiple Vswitches in multiple Zone within a Region

D. Choose a variety of different ECS types when creating your Scaling Configuration

Discussion 0

Correct Answer: A,B,D Vote an answer

Question #10

Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?

A. Import the migration source information to the SMC console.

B. The SMC client transfers the source data to an intermediate ECS instance.

C. The SMC backend service generates a target Alibaba Cloud image based on the migration source.

D. From the SMC console, configure the type of disk image to be generated during the migration.

Discussion 0

Correct Answer: A Vote an answer

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