Alibaba ACA-Database Exam Practice Test Instant Access

Question 1

Which of the following databases are supported by DTS (Database Transmission Service)? (Number

of correct answers: 3)

AMySQL

BSQL Server

CPostreSQL

DDB2

Answer : A, B, C

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Question 2

Which of the following are database architectures which have emerged during the evolution of database systems? (Number of correct answers: 3)

ASingle Instance

BShared Nothing

CShared Everything

DDedicated

Answer : B, C, D

Question 3

Which of the following computing capabilities are supported by AnalyticDB? (Number of correct answers: 4)

AComplex extract, transform, load (ETL)

BInteractive analysis

CSimple point query

DReal-time update

EMachine Learning

Answer : A, B, D, E

Question 4

Which of the following scheduling tools are supported by AnalyticDB for MySQL? (Number of correct answers: 2)

ADMS

BData Works

CMaxCompute

DQuickBl

Answer : A, B

Question 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

Answer : A, B, C

Question 6

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?

AVirtual private cloud (VPC)

BSecure Sockets Layer (SSL) encryption

CTransparent Data Encryption (TDE)

DSOL audit

Answer : B

Question 7

Which of the following types of data are most suitable for storage in MySQL databases?

AStructured data in rows and columns

BDocument-oriented unstructured data

CLarge amounts of time series data

DKey-value (KV) data that is frequently read and written

Answer : A

Alibaba ACA-Database ACA Database Exam Practice Test