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Alibaba Cloud ACA-Developer Exam With Confidence Using Practice Dumps

Exam Code:
ACA-Developer
Exam Name:
ACA Developer Certification
Certification:
Vendor:
Questions:
95
Last Updated:
Aug 26, 2025
Exam Status:
Stable
Alibaba Cloud ACA-Developer

ACA-Developer: Alibaba Developer Exam 2025 Study Guide Pdf and Test Engine

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ACA Developer Certification Questions and Answers

Question 1

You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)

Options:

A.

Event Notifications can cross regions.

B.

Message Service provides synchronous notifications to ensure the consistency between the message acknowledgment and event processing.

C.

The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retried based on the specified retry policy.

D.

The consumer type of the event notification message can be HTTP Server, Queue, or Topic.

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Question 2

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)

Options:

A.

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

B.

Applies indices to fields that contain many records.

C.

table should not contain more than 6 indexed fields.

D.

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

E.

Adhere to the rightmost prefix principle when using composite indexes.

Question 3

On which operating systems can you install Alibaba Cloud command line tools? (Number of correct answers: 3)

Options:

A.

Windows

B.

Linux

C.

macOS

D.

Android