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Free AliBaba ACA-Developer Actual Exam Questions
The questions for this exam were last updated on January 7, 2026
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Which of the following options is not included in Object Storage Service (OSS) object URLs?
Select one option, then reveal solution.
Question No. 2
For business scenarios with strong data reliability requirements or financial business scenarios with regulatory requirements related to data durability and availability, RDS MySQL provides a remote backup mechanism to improve reliability. Which of the following is correct, regarding RDS's remote disaster recovery capabilities? (Number of correct answers: 3)
Select one option, then reveal solution.
Question No. 3
Which of the following is NOT required for SMC (Server Migration Center) to migrate a server to Alibaba Cloud?
Select one option, then reveal solution.
Question No. 4
Which of the following detection protocol is NOT supported by CloudMonitor's Site Monitoring feature?
Select one option, then reveal solution.
Question No. 5
When a developer calls the Alibaba Cloud SDK to access Elastic Compute Service (ECS), the following error is returned; RealNameAuthenticationError What is the possible cause?
Select one option, then reveal solution.
Question No. 6
What are the advantages of using Elastic Container Instance (ECI) to deploy applications compared with using ECS? (Number of correct answers; 2)
Select all that apply, then reveal solution.
Question No. 7
Which of the following statements about PolarDB's endpoint(s) is NOT correct?
Select one option, then reveal solution.
Question No. 8
Which of these are good ways to secure access to your API deployed on Alibaba Cloud API Gateway? (Number of correct answers: 3)
Select all that apply, then reveal solution.
Question No. 9
Which of the following are correct, regarding RAM users? (Number of correct answers: 3)
Select all that apply, then reveal solution.
Question No. 10
To meet data analytics requirements on large datasets, which of these databases can meet the demand for structured and semi-structured storage for almost all types of data, albeit with limited support for strong transactions?
Select one option, then reveal solution.
Question No. 11
A developer is making the ModifyDDInstanceSpec API call to change the specifications of an RDS instance, but the operation fails. Why could this be? (Number of correct answers: 3)
Select all that apply, then reveal solution.
Question No. 12
Which of the following options is correct, regarding Object ACL in Alibaba Cloud's Object Storage Service (OSS)?
Select one option, then reveal solution.
Question No. 13
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?
Select one option, then reveal solution.
Question No. 14
Which of the following are types of backend services that API Gateway supports? (Number of correct answers: 3)
Select all that apply, then reveal solution.
Question No. 15
In Alibaba Cloud RocketMQ, messages are kept for up to _____ days. We recommend configuring a monitoring service to watch the consumption status, and intervene manually when ''not consumed but to be deleted'' message alarms occur.