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Alibaba Developer ACA Developer Certification

ACA Developer Certification

Last Update May 13, 2026
Total Questions : 95

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Questions 2

By default Function Compute cannot access resources within a VPC network group. To enable Function Compute to access resources located in a VPC, which of the following parameters needs to be configured? (Number of correct answers: 3)

Options:

A.  

vpcld

B.  

vSwitchlds

C.  

securityGroupId

D.  

ENIID

Discussion 0
Questions 3

Which of the following is NOT a feature of Alibaba Cloud's Cassandra database service?

Options:

A.  

Centerless distributed architecture

B.  

Supports both narrow and wide tables, providing flexible schema functions

C.  

Cluster storage, strong expansion of read and write capabilities

D.  

Enterprise-level capabilities such as disaster tolerance, backup and recovery, security, and monitoring across data centers

Discussion 0
Questions 4

Which of these are good ways to secure access to your API deployed on Alibaba Cloud API Gateway?

(Number of correct answers: 3)

Options:

A.  

Enable API Gateway to connect to backend services in an Alibaba Cloud VPC network group. This guarantees the security of API requests.

B.  

Configure security keys for API Gateway.

C.  

Use HTTPS to encrypt requests.

D.  

Use OpenID Connect to authenticate requests.

E.  

Allow only internal IP addresses to call the API.

Discussion 0
Questions 5

In PolarDB, if an UPDATE SQL statement encounters an issue, you need to check the execution plan to figure out the root cause. However, in the production environment, to avoid affecting the production data, what statement should you use to view the execution plan? (Number of correct answers: 2)

Options:

A.  

explain SQL

B.  

explain analyze SQL

C.  

explain verbose SQL

D.  

explain analyze verbose SQL

Discussion 0
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