Question 1

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

of correct answers: 3)

Options :

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 2

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

Options :

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 3

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 4

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 5

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

Options :

A : Makes it easy to do business anywhere.

B : Makes data secure and independently managed.

C : Makes large amounts of data easier to process.

D : Makes data accessible online and in real time.

Answer: D

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