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ACA-Database ACA Database Certification Questions and Answers

Questions 4

Which database utility is used for data migration and synchronization?

Options:

A.

DMS

B.

DBS

C.

DTS

D.

DAS

E.

ADAM

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Questions 5

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

Options:

A.

90%

B.

99%

C.

99.5%

D.

99.99%

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Questions 6

What does DIM mean in data warehouse terms?

Options:

A.

Dimension table

B.

Operational data store (ODS)

C.

Common data model (CDM)

D.

Application data service (ADS)

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Questions 7

Which of the following is not a relational database?

Options:

A.

Oracle

B.

DB2

C.

Teradata

D.

Redis

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Questions 8

lf Oracle databases need to be migrated to Alibaba Cloud, which of the following product solutions :an be recommended? (Number of correct answers: 3)

Options:

A.

Use PolarDB-0 that is highly compatible with Oracle.

B.

Use Advanced Database & Application Migration (ADAM) to evaluate the migration project.

C.

Use ApsaraDB for Redis as a cache service to provide acceleration capabilities.

D.

Use Data Transmission Service (DTS) to migrate data.

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Questions 9

Which of the following are the benefits of database views? (Number of correct answers: 3)

Options:

A.

Simplicity for queries

B.

Simplicity in structure: presents the database as a set of virtual tables specific to particular users or groups of users

C.

Easier for data visualization

D.

Stabilization of information: presents a consistent, unchanged image of the database structure

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Questions 10

Which of the following statements about Data Management (DMS) permissions management is NOT true?

Options:

A.

You can assign different resources and operation permissions to an Alibaba Cloud account as needed.

B.

You must create different database accounts for each Alibaba Cloud account.

C.

You cannot directly submit changes even if you have permissions to make changes.

D.

The permissions of the accounts of resigned or transferred personnel can be automatically managed by using OpenAPI.

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Questions 11

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 12

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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Exam Code: ACA-Database
Exam Name: ACA Database Certification
Last Update: Dec 19, 2024
Questions: 80

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