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ACA-Database ACA Database Certification Questions and Answers

Questions 4

Which of the following deployment architectures are supported by Alibaba Cloud ApsaraDB for MongoDB? (Number of correct answers: 3)

Options:

A.

Standalone instance

B.

Primary/secondary instance that consists of two nodes

C.

Replica set instance that consists of three nodes

D.

Sharded cluster instance

E.

Replica set instance that consists of six nodes

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Questions 5

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?

Options:

A.

Virtual private cloud (VPC)

B.

Secure Sockets Layer (SSL) encryption

C.

Transparent Data Encryption (TDE)

D.

SOL audit

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Questions 6

Which of the following statements about the compatibility of AnalyticDB for PostgreSQL is NOT true?

Options:

A.

Support for the Java Database Connectivity (JDBC) protocol

B.

Support for the SQL2003 syntax standard

C.

Compliance with PostgreSQL and Greenplum protocols

D.

Fully compatible with Oracle syntax

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Questions 7

Which of the following is the most efficient backup in ApsaraDB for MongoDB?

Options:

A.

Logical backup

B.

Physical backup

C.

Snapshot backup

D.

Full backup

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Questions 8

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

Options:

A.

AnalyticDB for MySQL is a NoSQL database.

B.

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

C.

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

D.

AnalyticDB for MySQL supports transactions.

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Questions 9

Which of the following data is not collected when database information is collected in Advanced Database & Application Migration (ADAM)?

Options:

A.

Business structure data

B.

Historical performance data

C.

Database configuration data

D.

Business data

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Questions 10

How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?

Options:

A.

ApsaraDB for MyBase supports resource over commitment.

B.

Instances can be migrated. You can manually migrate instances to idle hosts.

C.

Isolated hosts are used. A host runs only your instances and does not run instances of other users.

D.

ApsaraDB for MyBase allows you to distribute different types of instances at a time.

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Questions 11

You are using DTS to migrate from a MySQL database installed on an ECS instance to a target

database on RDS. In the DTS console, which of these is the correct "Instance Type" for the database?

Options:

A.

ECS-based Databases

B.

Express Connect DB

C.

RDS Instance

D.

ApsaraDB MongoDB

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Questions 12

Which of the following architectures is not supported by ApsaraDB RDS for MySQL?

Options:

A.

The single-node Basic Edition architecture, which can be used in test and non-core production environments

B.

The high-avail ability architecture, in which primary and read-only nodes are deployed to implement automatic failovers

C.

The three-node Enterprise Edition architecture, which ensures zero data loss

D.

The serverless architecture, in which computing resources are charged based on the Pay-As-You-Go (PAYG) billing method

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Exam Code: ACA-Database
Exam Name: ACA Database Certification
Last Update: May 17, 2024
Questions: 80

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