Question 1

Data Management (DMS) provides features related to data warehouse development to support task

orchestration and recurring scheduling. Which of the following features are being developed? (Number of

correct answers: 3)

Options :

A : Data lineage

B : Data quality

C : Data visualization

D : Data directory

E : Data service

Answer: A,B

Question 2

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

Answer: D

Question 3

Your DTS (Data Transmission Service) migration has failed halfway through: what options do you

have? (Number of correct answers: 2)

Options :

A :

Delete your DTS instance and start over

B : Restart the migration task from the console

C : Your database can't be migrated: you need to abandon the migration

D : You need to switch to ADAM, as DTS cannot complete the migration

Answer: B,D

Question 4

If a database exception occurs in a PolarDB cluster because important data is deleted by mistake, how i can data be restored?

Options :

A : Level-2 backup + Redo log

B : Level 1 backup + Redo log

C : Level-2 backup

D : Level-1 backup

Answer: A

Question 5

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

answers: 2)

Options :

A :

The source and destination database must use the same database engine

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

C :

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

it

D : DTS is designed for file synchronization

Answer: A,D

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