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Multiple choice 22

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Alibaba ACA-DATABASE - Questions & Answers

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Question 1

Single choice

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

Business structure data

Historical performance data

Database configuration data

Business data

Question 2

Single choice

Which of the following statements about Alibaba Cloud ApsaraDB for MongoDB is true?

It takes a longer time to perform operations and maintenance (O&M) on ApsaraDB for MongoDB instances than on self-installed and self-managed MongoDB.

DataWorks is not supported for MongoDB data processing.

Alibaba Cloud and MongoDB have a strategic partnership, so Alibaba Cloud Is able to provide the latest MongoDB features in our ApsaraDB for MongoDB product, in all our global regions.

Question 3

Single choice

Which of the following is NOT true, regarding the sensitive data management feature provided by Data Management (DMS)?

The rules of field metadata and data content can be automatically recognized.

De-identification algorithms can be managed. Multiple algorithms are supported, such as algorithms for masking specific positions and replacing fixed characters.

Field-level and row-level permissions are supported.

After you configure de-identification algorithms, you can view the de-identified data.

Question 4

Multiple choice

Which of the following are NOT true, regarding DTS (Data Transmission Service)? (Number of correct answers: 2)

The source and destination database must use the same database engine

The source and destination database must both have a database user which DTS can use

If the source database is not on Alibaba Cloud, it must be Internet accessible so that DTS can connect to it

DTS is designed for file synchronization

Question 5

Single choice

Which database utility is good for database management and DevOps?

DMS

DBS

DTS

DAS

ADAM

Question 6

Multiple choice

Which of the following are the advantages of cloud databases over self-managed databases? (Number of correct answers: 3)

Stronger service level agreement (SLA)

Integrated operations and maintenance (O&M), as well as easier management

High availability and comprehensive backup and monitoring capabilities

High costs

Question 7

Single choice

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

Logical backup

Physical backup

Snapshot backup

Full backup

Question 8

Single choice

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

90%

99%

99.5%

99.99%

Question 9

Single choice

Which migration modes are supported by DTS (Data Transmission Service)? (Number of correct answer:
3.

From Alibaba Cloud RDS to other database systems

From RDS to an ECS-based database

From a different cloud provider to Alibaba Cloud

From an RDS database, back to itself

Question 10

Single choice

Which of the following is not a relational database?

Oracle

DB2

Teradata

Redis

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