Free ACA-Database Exam Questions - Easiest Way for Success

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Total 81 Questions | Updated On: Sep 11, 2024

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Question 1

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 : 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 2

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

A : Level-2 backup + Redo log

B : Level 1 backup + Redo log

C : Level-2 backup

D : Level-1 backup

Answer: A

Question 3

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

A : From Alibaba Cloud RDS to other database systems

B : From RDS to an ECS-based database

C : From a different cloud provider to Alibaba Cloud

D : From an RDS database, back to itself

Answer: A,B,C

Question 4

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

Answer: A,B,C

Question 5

Which of the following architectures is not supported by ApsaraDB RDS for MySQL?

A : The single-node Basic Edition architecture, which can be used in test and non-core productionenvironments

B : The high-avail ability architecture, in which primary and read-only nodes are deployed to implementautomatic 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

Page: 1 / 17

Total 81 Questions | Updated On: Sep 11, 2024

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