Alibaba ACA-Database Exam Practice Test Instant Access

Question 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.

Answer : D

Question 2

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 3

What does DIM mean in data warehouse terms?

ADimension table

BOperational data store (ODS)

CCommon data model (CDM)

DApplication data service (ADS)

Answer : A

Question 4

Which of the following is the wrong statement about PolarDB design architecture?

AA PolarDB cluster contains one primary instance and up to 15 read-only instances

BPolarDB consolidate compute processes and storage processes in one box, allowing the database capacity to scale up and down to meet your
application needs in Alibaba Cloud

CRead/write splitting is enabled for PolarDB clusters by default, providing transparent, highly available, and self-adaptive load balancing for your
database

DHigh speed network connection is enabled between the DB server and the chunk server, and data are transferred using the Remote Direct Memory Access (RDMA) protocol

Answer : B

https://www.alibabacloud.com/help/doc-detail/58766.htm?spm=a2c63.p38356.b99.11.4e333181dMpFmV

Question 5

Which of the following is not a feature or usage scenario of Data Lake Analytics (DLA)?

AInteractive analysis

BBatch processing

COnline transaction processing

DStream or micro-batch processing

Answer : C

Question 6

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 7

Which of the following features is NOT supported by Data Transmission Service (DTS)?

AData migration

BData synchronization

CData backup

DChange tracking

Answer : D

Alibaba ACA Database ACA-Database Exam Practice Test