Alibaba Cloud ACA-Database ACA Database Certification Online Training

Alibaba Cloud ACA-Database Online Training

The questions for ACA-Database were last updated at Nov 19,2024.

Exam Code: ACA-Database
Exam Name: ACA Database Certification
Certification Provider: Alibaba Cloud
Latest update: Nov 19,2024

Question #21

Which of the following statements about MongoDB is NOT true?

A . MongoDB is a relational database.
B . MongoDB is a document database.
C . MongoDB supports transactions.
D . MongoDB can be deployed in cluster mode.

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Question #22

Alibaba Cloud DTS (Data Transmission Service) can only migrate between databases that are hosted

on RDS.

A . True
B . False

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Question #23

Which of the following architectures are supported by ApsaraDB for Redis Enhanced Edition (Tair)? (Number of correct answers: 3)

A . Master-replica architecture in which standard master-replica instances are deployed
B . Read/write splitting architecture in which standard master-replica instances are deployed
C . Cluster master-replica instances
D . Single-node architecture

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Question #24

Each PolarDB cluster consists of one primary node and one or more read-only nodes. The system only support manually switch over services from the primary node to a read-only node.

A . True
B . False

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Question #25

CORRECT TEXT

Which of the following are features supported by Alibaba Cloud RDS for MySQL? (The number of Answer 3)

A . Read-Write Splitting -> https://www.alibabacloud.com/help/doc-detail/96047.htm?spm=a2c63.p38356.b99.57.500dc3c6Kt0QLs
B . Local Snapshot Backup-> Snapshot Backup is Cloud disk instance. Cross-region backup is Local disk instance.
C . Computing nodes and Storage totally seperated-> In the Basic Edition, your database system consists of only one primary RDS instance, and computing is separated from storage. This edition is cost-effective. https://www.alibabacloud.com/help/doc-detail/48980.html?spm=a2c5t.11065259.1996646101.searchclickresult.75a932dfvCBnlt
D . Multi-Zone Deployment ->You can select the Single-zone Deployment or Multi-zone Development method. https://www.alibabacloud.com/help/doc-detail/26092.htm?spm=a2c63.p38356.b99.18.118b4437l50tDl

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