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ACA-Database Exam Dumps - ACA Database Certification

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Question # 4

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?

A.

ECS-based Databases

B.

Express Connect DB

C.

RDS Instance

D.

ApsaraDB MongoDB

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Question # 5

Which migration modes are supported by DTS (Data Transmission Service)? (Number of correct

answer: 3)

A.

From Alibaba Cloud RDS to other database systems

B.

From RDS to an ECS-based database

C.

From a different cloud provider to Alibaba Cloud

D.

From an RDS database, back to itself

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Question # 6

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

A.

Database migration without interrupting services / downtime

B.

Geo-disaster recovery and active geo-redundancy for databases

C.

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

D.

Configuring data audit rules to manage data quality.

E.

Synchronizing information about user accounts and permissions.

F.

Change tracking and data distribution.

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Question # 7

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

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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Question # 8

What does DIM mean in data warehouse terms?

A.

Dimension table

B.

Operational data store (ODS)

C.

Common data model (CDM)

D.

Application data service (ADS)

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