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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%

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

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

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

Questions # 5:

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

Options:
A.

1

B.

5

C.

10

D.

15

Questions # 6:

Which database utility is used for data migration and synchronization?

Options:
A.

DMS

B.

DBS

C.

DTS

D.

DAS

E.

ADAM

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.

Questions # 8:

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

Options:
A.

True

B.

False

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

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.

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