Alibaba ACA-Database Exam Questions Instant Access

Question 1

Which of the following is the high-availability service level that is specified in the ApsaraDB RDS Service Level Agreement (SLA)?

A90%

B99%

C99.5%

D99.99%

Answer : D

Question 2

Which of the following statements about AnalyticDB for MySQL is true?

AAnalyticDB for MySQL is a NoSQL database.

BAnalyticDB for MySQL can be used to build enterprise-grade data warehouse projects.

CAnalyticDB for MySQL can be used to build online transaction systems.

DAnalyticDB for MySQL supports transactions.

Answer : B

Question 3

Which of the following is not a component of the PolarDB-0 architecture in Apsara Stack?

AFC Switch

BSAN

CProxy

DRDMA

Answer : B

Question 4

Which of the following tools can be used to migrate an on-premises database to Alibaba Cloud while causing minimal service downtime?

Apg_dump

Bpg_restore

Cpg_upgrade D.DTS

Dpg_basebackup

Answer : D

Question 5

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.

Answer : C

Question 6

What is the maximum number of read-only nodes in a PolarDB cluster?

C10

D15

Answer : D

Question 7

Which of the following features is provided by Data Management (DMS)?

AIntegrates data across multiple data sources

BBacks up multiple types of databases

CEvaluates the database migration project

DEnables online database management, such as data query, database and table management, and permission management

Answer : C

Alibaba ACA Database ACA-Database Exam Questions