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: Jan 10, 2025

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Question 1

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 2

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

answers: 2)

A : The source and destination database must use the same database engine

B : 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 toit

D : is designed for file synchronization

Answer: A,D

Question 3

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 4

Which of the following is the core benefit of ApsaraDB for Redis Enhanced Edition (Tair)?

A : kes it easy to do business anywhere.

B : kes data secure and independently managed.

C : kes large amounts of data easier to process.

D : kes data accessible online and in real time.

Answer: D

Question 5

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

Page: 1 / 17

Total 81 Questions | Updated On: Jan 10, 2025

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