Free Alibaba ACA-Database Exam Questions

Become Alibaba Certified with updated ACA-Database exam questions and correct answers

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Total 81 Questions | Updated On: Nov 13, 2024

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Question 1

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

A : om Alibaba Cloud RDS to other database systems

B : om RDS to an ECS-based database

C : om a different cloud provider to Alibaba Cloud

D : om an RDS database, back to itself

Answer: A,B,C

Question 2

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

of correct answers: 3)

A : ter-replica architecture in which standard master-replica instances are deployed

B : ad/write splitting architecture in which standard master-replica instances are deployed

C : uster master-replica instances

D : ngle-node architecture

Answer: A,B,C

Question 3

lf Oracle databases need to be migrated to Alibaba Cloud, which of the following product solutions :an be

recommended? (Number of correct answers: 3)

A : Use PolarDB-0 that is highly compatible with Oracle.

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

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

D : Data Transmission Service (DTS) to migrate data.

Answer: A,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?

A : vel-2 backup + Redo log

B : vel 1 backup + Redo log

C : vel-2 backup

D : vel-1 backup

Answer: A

Question 5

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

have? (Number of correct answers: 2)

A : Delete your DTS instance and start over

B : tart the migration task from the console

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

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

Answer: B,D

Page: 1 / 17

Total 81 Questions | Updated On: Nov 13, 2024

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