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Viewing questions 11-20 out of questions
Questions # 11:

Which of the following are the advantages of cloud databases over self-managed databases? (Number of correct answers: 3)

Options:

A.

Stronger service level agreement (SLA)

B.

Integrated operations and maintenance (O&M), as well as easier management

C.

High availability and comprehensive backup and monitoring capabilities

D.

High costs

Questions # 12:

Suppose you are using MySQL currently, if you want to migrate to cloud native database PolarDB with little effort, which one is the best choice?

Options:

A.

PolarDB MySQL

B.

PolarDB PosgreSQL

C.

PolarDB Oracle

D.

PolarDB Box

Questions # 13:

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 # 14:

Which database utility is used for data migration and synchronization?

Options:

A.

DMS

B.

DBS

C.

DTS

D.

DAS

E.

ADAM

Questions # 15:

Your DTS (Data Transmission Service) migration has failed halfway through: what options do you

have? (Number of correct answers: 2)

Options:

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

Questions # 16:

How can ApsaraDB for MyBase solve problems in database security and performance interferences in the multi-tenant scenario?

Options:

A.

ApsaraDB for MyBase supports resource over commitment.

B.

Instances can be migrated. You can manually migrate instances to idle hosts.

C.

Isolated hosts are used. A host runs only your instances and does not run instances of other users.

D.

ApsaraDB for MyBase allows you to distribute different types of instances at a time.

Questions # 17:

Your client is having trouble connecting DTS to their source database in their local datacenter, why might this be?

Options:

A.

Their database isn't on Alibaba Cloud already so it cannot be accessed by DTS

B.

Their database is not accessible from the Internet, so DTS cannot access it

C.

Their database must not include the special DTS compatibility mode

D.

Their database is an inverted column store, which is not supported

Questions # 18:

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

Questions # 19:

Which of the following features determines high performance of the performance-enhanced instances of ApsaraDB for Redis Enhanced Edition (Tair)?

Options:

A.

Extended data structure modules

B.

Multithreading

C.

Global Replica

D.

Data flashback

Questions # 20:

Which of the following databases are supported by DTS (Database Transmission Service)? (Number

of correct answers: 3)

Options:

A.

MySQL

B.

SQL Server

C.

PostreSQL

D.

DB2

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