Alibaba ACA-Database Exam Practice Test Instant Access

Question 1

Your DTS (Data Transmission Service) migration has failed halfway through: what options do you

have? (Number of correct answers: 2)

ADelete your DTS instance and start over

BRestart the migration task from the console

CYour database can't be migrated: you need to abandon the migration

DYou need to switch to ADAM, as DTS cannot complete the migration

Answer : B, D

Question 2

Alibaba Cloud DTS (Data Transmission Service) can only migrate between databases that are hosted

on RDS.

ATrue

BFalse

Answer : B

Alibaba Cloud Data Transmission Service (DTS) helps you migrate data between data stores, such as relational databases, NoSQL databases, and data warehouses. You can use DTS to migrate your data to Alibaba Cloud or between combinations of cloud and on-premises data systems. .

https://www.alibabacloud.com/help/doc-detail/176063.htm?spm=a2c63.p38356.b99.6.2ef8c790WL4Jku

Question 3

Alibaba Cloud DTS (Data Transmission Service) is a file migration tool.

ATrue

BFalse

Answer : B

DTS is a data migration, integration, synchronization and change tracking tool.

https://www.alibabacloud.com/help/doc-detail/176063.htm?spm=a2c63.l28256.b99.6.490d7142CiFvPb

Question 4

Alibaba Cloud DTS (Data Transmission Service) supports both full database migration and incremental synchronization.

ATrue

BFalse

Answer : A

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 5

Why is ApsaraDB for PolarDB better than other traditional database engines? (The number of answer: 3)

AWhen you purchase a PolarDB cluster, you don't need to specify the storage capacity you want to purchase

BPolarDB supports both OLTP and OLAP scenarios very well

CThe PolarDB database engine won't require you to replicate data when adding read-only nodes

DApsaraDB for PolarDB uses the pay-as-you-go billing method, therefore you only need to pay for the storage resources you actually use

Answer : A, C, D

https://www.alibabacloud.com/help/doc-detail/172293.htm?spm=a2c63.p38356.b99.81.101b333ePsD0YF

Question 6

Which of the following are reasonable Data Transmission Service (DTS) use cases? (Number of correct answers: 4)

ADatabase migration without interrupting services / downtime

BGeo-disaster recovery and active geo-redundancy for databases

CSynchronizing data to data warehouses in real time to build data warehouses for real-time analytics.

DConfiguring data audit rules to manage data quality.

ESynchronizing information about user accounts and permissions.

FChange tracking and data distribution.

Answer : A, B, F

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)

AData lineage

BData quality

CData visualization

DData directory

EData service

Answer : A, B, E

Alibaba ACA-Database ACA Database Exam Practice Test