Most Recent Alibaba ACA-Database Exam Questions & Answers

Prepare for the Alibaba ACA Database Exam exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Alibaba ACA-Database exam and achieve success.

The questions for ACA-Database were last updated on Nov 23, 2024.

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Question No. 1

Which of the following is NOT true, regarding the sensitive data management feature provided by Data Management (DMS)?

AThe rules of field metadata and data content can be automatically recognized.

BDe-identification algorithms can be managed. Multiple algorithms are supported, such as algorithms for masking specific positions and replacing fixed characters.

CField-level and row-level permissions are supported.

DAfter you configure de-identification algorithms, you can view the de-identified data.

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Correct Answer: D

Question No. 2

Which of the following types of data that is stored in PostgreSQL databases can support the one-to-many data model? (Number of correct answers: 3)

AJSON

BArray

CString

DCube

ERange

FJSONB

GGIS

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Correct Answer: A, B, C

Question No. 3

If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?

ALevel-2 backup + Redo log

BLevel 1 backup + Redo log

CLevel-2 backup

DLevel-1 backup

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Correct Answer: A

Question No. 4

Which of the following statements about Alibaba Cloud ApsaraDB for MongoDB is true?

AIt takes a longer time to perform operations and maintenance (O&M) on ApsaraDB for MongoDB instances than on self-installed and self-managed MongoDB.

BDataWorks is not supported for MongoDB data processing.

CAlibaba Cloud and MongoDB have a strategic partnership, so Alibaba Cloud Is able to provide the latest MongoDB features in our ApsaraDB for MongoDB product, in all our global regions.

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Correct Answer: C

Question No. 5

Which of the following are the advantages of cloud databases over self-managed databases? (Number of correct answers: 3)

AStronger service level agreement (SLA)

BIntegrated operations and maintenance (O&M), as well as easier management

CHigh availability and comprehensive backup and monitoring capabilities

DHigh costs

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Correct Answer: A, B, C

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