Alibaba Cloud ACA-Developer Actual Free Exam Questions & Community Discussion

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

Exam Questions: 97
Updated On: May 30, 2026

Question #1

A developer is writing logs through the Log Service API, and can see via the Logstore monitorin metrics that write traffic is about 10 MB/s, but a 403 error is reported during the writing process. Which of these is a possible cause?

A. The write throughput of a single partition is limited, and the 10 MB/s write traffic exceeds

B. The target partition in the Logstore is not specified

C. There is significant network delay

D. There is not enough space in the Logstore partition

Discussion 0

Correct Answer: B Vote an answer

Question #2

Which of the following descriptions of Alibaba Cloud ECS storage are correct? (Number of correct answers:
3)

A. Alibaba Cloud provides a wealth of block storage products for ECS, including Cloud Disks (virtualized storage) and Local Disks (physically attached to the server(s) that host your ECS Instances).

B. Both Local Disks and Cloud Disks use a multi-copy distributed storage mechanism, which has low latency, high performance, durability, and high reliability, and supports creation, expansion and release at any time.

C. Cloud Disks come In several different varieties: ESSD (Enhanced Solid State) Cloud Disks. SSD (Solid State ) Cloud Disks, and high-efficiency Cloud Disks.

D. Two types of Cloud Disks can be attached to an ECS: System Disks and Data Disks. System Disks host the ECS instances operating system.

Discussion 0

Correct Answer: A,B,C Vote an answer

Question #3

Which of the following are types of backend services that API Gateway supports? (Number of correct answers: 3)

A. Function Compute

B. Resources In a VPC

C. CloudMonitor Service

D. HTTP(s) service

E. Log service

Discussion 0

Correct Answer: B,C,D Vote an answer

Question #4

Which of the following options correctly describes CloudMonitor Custom Monitoring and Custom Events?
(Number of correct answers; 2)

A. Custom Events is for periodic and continuous collection of time series monitoring data, queries, and alarms.

B. Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms.

C. Custom Events are used for collection of continuous event type data, queries, and alarms.

D. Custom Monitoring is used for collection of non-continuous event data, such as information about ECS instance restarts.

Discussion 0

Correct Answer: B,D Vote an answer

Question #5

You have a Java application with source code stored on GitHub. Now you want to build a container image using this code, and store it on a Container Registry instance located in Mainland China. Which of the following is the simplest, lowest maintenance option?

A. Associate your Alibaba Cloud Container Registry instance with your GitHub repository, and upload the Java code and Dockerfile to GitHub Set u Jenkins environment to automate the process of building the container image and pushing it to your Container Registry instance.

B. Upload the Dockerfile to GitHub for version control, then download it together with the Java code to your local device, compile and pack container image, and upload the image to Alibaba Cloud Container Registry via docker push .

C. Download the Java code from GitHub to your laptop, build the Docker image using a local Dockerfile, and use docker push to upload It to Container Registry.

D. Associate your Alibaba Cloud Container Registry instance with your GitHub repository, and upload the Java code and Dockerfile to GitHub Th Container Registry's built-in build service, configuring a rule that will rebuild your container image whenever your GitHub code is updated

Discussion 0

Correct Answer: D Vote an answer

Question #6

Which of the following descriptions of Alibaba Cloud's SSL certificate service are correct? (Number of correct answers: 2)

A. DV level certificates are suitable for government organizations, enterprises, educational institutions, etc.

B. Alibaba Cloud SSL Certificate Service supports the purchase of three types of certificates: DV certificates, OV certificates, and EV certificates.

C. OV certificates are suitable for personal websites.

D. EV certificates are suitable for large enterprises, financial institutions, etc.

Discussion 0

Correct Answer: B,C Vote an answer

Question #7

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

A. Quickly build serverless site using Function Compute

B. Quickly build a personal, learning, or test environment

C. Set up a NoSQL database service

D. Quickly build a small e-commerce website

E. Quickly build a personal blog website

Discussion 0

Correct Answer: A,B,E Vote an answer

Question #8

Alibaba Cloud's ECS disk snapshotting tool can create crash-consistent snapshots for all types of Cloud Disks.
It is a convenient and efficient disaster recovery method. It is often used for data backup, custom mirroring, application disaster recovery, etc. Which of the following is NOT a correct description of disk snapshots?

A. In the event of a system failure, you can use a snapshot to roll back the Cloud Disk to an earlier point in time.

B. A snapshot is a backup file of the cloud disk data state at a certain point in time. The first snapshot of the cloud disk is a full snapshot of the ac usage. Empty data blocks are not backed up. All subsequent snapshots are incremental snapshots, and only changed data blocks are stored.

C. Snapshots can be created manually through the web console or command line tools, or automatically according to a schedule.

D. Snapshot rollbacks can be performed while the ECS instance is running.

Discussion 0

Correct Answer: B Vote an answer

Question #9

Which of the following errors may occur when you access an image stored in Object Storage Service, and attach an image processing URL parameter to the URL ? (Number of correct answers: 3)

A. NoSuchBucket

B. NoSuchObject

C. NoSuchFile

D. NoSuchStyle

E. NoSuchKey

Discussion 0

Correct Answer: A,C,E Vote an answer

Question #10

A job hunting website stores user's resumes in Object Storage Service (OSS) The current resume upload process is as follows:
7. Users upload resumes
2. The server responds to the upload request
3. The resume is uploaded to the server
4. 1 he server uploads the resume to OSS
Which of the following methods can be used to upload objects to OSS without requiring Step 3?

A. Simple Upload

B. Form Upload

C. Multipart Upload

D. Append Upload

Discussion 0

Correct Answer: D Vote an answer

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