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Questions # 1:

Which of the following is the high-availability service level that is specified in the ApsaraDB RDS Service Level Agreement (SLA)?

Options:
A.

90%

B.

99%

C.

99.5%

D.

99.99%

Expert Solution
Questions # 2:

You have a client that wants to move from another cloud provider's database service to RDS. Which of these is the best way to move their database to Alibaba Cloud?

Options:
A.

Use DTS (Data Transmission Service)

B.

Make a full physical backup of their database and copy it into OSS

C.

This type of migration isn't possible

D.

Migrate the entire VM hosting the database

Expert Solution
Questions # 3:

Which of the following statements is NOT correct about the benefits you can gain through PolarDB?

Options:
A.

Large storage space

B.

Elastic scaling within minutes

C.

When you add a read-only node in an ApsaraDB for PolarDB cluster, you only need to pay for computing resources

D.

Millisecond-level latency in physical replication

E.

locked backup

Expert Solution
Questions # 4:

Which of the following types of data are most suitable for storage in MySQL databases?

Options:
A.

Structured data in rows and columns

B.

Document-oriented unstructured data

C.

Large amounts of time series data

D.

Key-value (KV) data that is frequently read and written

Expert Solution
Questions # 5:

What is the maximum number of read-only nodes in a PolarDB cluster?

Options:
A.

1

B.

5

C.

10

D.

15

Expert Solution
Questions # 6:

Which database utility is used for data migration and synchronization?

Options:
A.

DMS

B.

DBS

C.

DTS

D.

DAS

E.

ADAM

Expert Solution
Questions # 7:

Which of the following is NOT true, regarding the sensitive data management feature provided by Data Management (DMS)?

Options:
A.

The rules of field metadata and data content can be automatically recognized.

B.

De-identification algorithms can be managed. Multiple algorithms are supported, such as algorithms for masking specific positions and replacing fixed characters.

C.

Field-level and row-level permissions are supported.

D.

After you configure de-identification algorithms, you can view the de-identified data.

Expert Solution
Questions # 8:

Alibaba Cloud DTS (Data Transmission Service) is a file migration tool.

Options:
A.

True

B.

False

Expert Solution
Questions # 9:

Which of the following deployment architectures are supported by Alibaba Cloud ApsaraDB for MongoDB? (Number of correct answers: 3)

Options:
A.

Standalone instance

B.

Primary/secondary instance that consists of two nodes

C.

Replica set instance that consists of three nodes

D.

Sharded cluster instance

E.

Replica set instance that consists of six nodes

Expert Solution
Questions # 10:

Which of the following statements about Alibaba Cloud ApsaraDB for MongoDB is true?

Options:
A.

It takes a longer time to perform operations and maintenance (O&M) on ApsaraDB for MongoDB instances than on self-installed and self-managed MongoDB.

B.

DataWorks is not supported for MongoDB data processing.

C.

Alibaba Cloud and MongoDB have a strategic partnership, so Alibaba Cloud Is able to provide the latest MongoDB features in our ApsaraDB for MongoDB product, in all our global regions.

Expert Solution
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