Download Alibaba Cloud ACA-Database.ACA-Database.Pass4Success.2026-01-23.71q.vcex

Vendor: Alibaba
Exam Code: ACA-Database
Exam Name: Alibaba Cloud ACA-Database
Date: Jan 23, 2026
File Size: 40 KB
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Demo Questions

Question 1
Why is ApsaraDB for PolarDB better than other traditional database engines? (The number of answer: 3)
  1. When you purchase a PolarDB cluster, you don't need to specify the storage capacity you want to purchase
  2. PolarDB supports both OLTP and OLAP scenarios very well
  3. The PolarDB database engine won't require you to replicate data when adding read-only nodes
  4. ApsaraDB for PolarDB uses the pay-as-you-go billing method, therefore you only need to pay for the storage resources you actually use
Correct answer: A, C, D
Explanation:
https://www.alibabacloud.com/help/doc-detail/172293.htm?spm=a2c63.p38356.b99.81.101b333ePsD0YF
https://www.alibabacloud.com/help/doc-detail/172293.htm?spm=a2c63.p38356.b99.81.101b333ePsD0YF
Question 2
Which of the following computing capabilities are supported by AnalyticDB? (Number of correct answers: 4)
  1. Complex extract, transform, load (ETL)
  2. Interactive analysis
  3. Simple point query
  4. Real-time update
  5. Machine Learning
Correct answer: A, B, D, E
Question 3
Which of the following tools can be used to migrate an on-premises database to Alibaba Cloud while causing minimal service downtime?
  1. pg_dump
  2. pg_restore
  3. pg_upgrade D.DTS
  4. pg_basebackup
Correct answer: D
Question 4
Which of the following features is provided by Data Management (DMS)?
  1. Integrates data across multiple data sources
  2. Backs up multiple types of databases
  3. Evaluates the database migration project
  4. Enables online database management, such as data query, database and table management, and permission management
Correct answer: C
Question 5
Which of the following statements about Alibaba Cloud ApsaraDB for MongoDB is true?
  1. It takes a longer time to perform operations and maintenance (O) on ApsaraDB for MongoDB instances than on self-installed and self-managed MongoDB.
  2. DataWorks is not supported for MongoDB data processing.
  3. Alibaba 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.
Correct answer: C
Question 6
From which of the following data sources or databases can Data Lake Analytics (DLA) read data for analysis? (Number of correct answers: 6)
  1. MySQL
  2. Oracle
  3. OTS
  4. MongoDB
  5. AnolyticDB
  6. HOLO
  7. OSS
Correct answer: A, B, C, D, E, G
Question 7
Data Management (DMS) provides features related to data warehouse development to support task orchestration and recurring scheduling. Which of the following features are being developed? (Number of correct answers: 3)
  1. Data lineage
  2. Data quality
  3. Data visualization
  4. Data directory
  5. Data service
Correct answer: A, B, E
Question 8
Alibaba Cloud DTS (Data Transmission Service) supports both full database migration and incremental synchronization.
  1. True
  2. False
Correct answer: A
Explanation:
https://www.alibabacloud.com/help/doc-detail/176633.htm?spm=a2c63.p38356.b99.32.3e751a4dtHm9crhttps://www.alibabacloud.com/help/doc-detail/56776.htm?spm=a2c63.p38356.b99.181.74896b5dro6cDo
https://www.alibabacloud.com/help/doc-detail/176633.htm?spm=a2c63.p38356.b99.32.3e751a4dtHm9cr
https://www.alibabacloud.com/help/doc-detail/56776.htm?spm=a2c63.p38356.b99.181.74896b5dro6cDo
Question 9
What does DIM mean in data warehouse terms?
  1. Dimension table
  2. Operational data store (ODS)
  3. Common data model (CDM)
  4. Application data service (ADS)
Correct answer: A
Question 10
When a backup file of core sensitive data is downloaded, business systems must be protected against data breaches. Which of the following capabilities must be enabled to ensure data security?
  1. Virtual private cloud (VPC)
  2. Secure Sockets Layer (SSL) encryption
  3. Transparent Data Encryption (TDE)
  4. SOL audit
Correct answer: B
Question 11
Which of the following is the high-availability service level that is specified in the ApsaraDB RDS Service Level Agreement (SLA)?
  1. 90%
  2. 99%
  3. 99.5%
  4. 99.99%
Correct answer: D
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