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Pass the Huawei Huawei Certification H13-921_V1.5 Questions and answers with CertsForce

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Viewing questions 21-30 out of questions
Questions # 21:

When DAS can log into an instance, it is recommended to use Cloud DBA “Emergency Kill Session” to terminate sessions.

Options:

A.

True


B.

False


Expert Solution
Questions # 22:

In DAS → Sessions tab → “Real-time Sessions”, users can kill system account rdsRepl.

Options:

A.

True


B.

False


Expert Solution
Questions # 23:

GaussDB (for MySQL) supports compute-storage separation.

Options:

A.

True


B.

False


Expert Solution
Questions # 24:

With shared storage, GaussDB (for MySQL) can expand by adding compute nodes, completed within minutes regardless of data size.

Options:

A.

True


B.

False


Expert Solution
Questions # 25:

Which roles exist in DAS Enterprise Edition?

Options:

A.

System Administrator


B.

DBA


C.

Business Owner role


D.

Regular User


Expert Solution
Questions # 26:

An e-commerce platform is experiencing a surge in users and needs a database architecture with optimal parallel processing and scalability. Which architecture should be enabled?

Options:

A.

Shared-Disk


B.

Shared-Memory


C.

Shared-Everything


D.

Shared-Nothing


Expert Solution
Questions # 27:

When changing a DB instance password, read-only node passwords must be updated manually.

Options:

A.

True


B.

False


Expert Solution
Questions # 28:

What are the core advantages of GaussDB (for MySQL)?

Options:

A.

Ultra-high performance


B.

High scalability


C.

High reliability


D.

NoSQL support


Expert Solution
Questions # 29:

Which statements about distributed transactions are correct?

Options:

A.

Support distributed deadlock prevention


B.

Support global transaction info management


C.

Distributed transactions support ACID properties


D.

gs_clean cleans up residual transactions automatically


Expert Solution
Questions # 30:

System tables and views record metadata for DB objects and users. Which system table or viewcannotbe used to query user information?

Options:

A.

pg_roles


B.

pg_user


C.

pg_auth_members


D.

pg_authid


Expert Solution
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