Question 1

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

recommended? (Number of correct answers: 3)

Options :

A :

Use PolarDB-0 that is highly compatible with Oracle.

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

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

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

Answer: A,B,D

Question 2

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 3

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

Question 4

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

Question 5

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