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Free Huawei H13-921_V1.5 Practice Exam with Questions & Answers | Set: 5

Questions 41

Which statements about Schema are correct?

Options:
A.

Equivalent to user, separates object ownership

B.

Collection of DB objects, logical grouping for management

C.

Search order is based on creation time

D.

Forms a namespace to avoid naming conflicts

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Questions 42

In DRS, backup migration means reading local backup files and restoring to target DB.

Options:
A.

True

B.

False

Questions 43

Which of the following statements are incorrect?

Options:
A.

Page Store persists Pages and SQL reads pages

B.

Slice is independent and max size is 1GB

C.

Log Store defaults to multi-replica sync

D.

Log Store uses append-only

Questions 44

In GaussDB (for MySQL), the Log Store is responsible for persisting logs. What is the size of the unique ID used to identify Log Store?

Options:
A.

12 bytes

B.

24 bytes

C.

48 bytes

Questions 45

Which of the following statements about the VACUUM FULL operation isincorrect?

Options:
A.

Space from deleted rows is physically released back to the OS

B.

Allows concurrent operations during execution

C.

Should be run only when disk space usage nears a threshold

D.

Improves all operations based on the table after execution

Questions 46

If read hit ratio is below 99%, lowering innodb_buffer_pool_size can improve cache hit rate.

Options:
A.

True

B.

False

Questions 47

The Data Management Service (DAS) is used for logging into and operating cloud databases on Huawei Cloud. Which of the following versions isnotprovided by DAS?

Options:
A.

Professional Edition: for business personnel

B.

Standard Edition: for developers

C.

Cloud DB

D.

Enterprise Edition: for enterprise users

E.

For DBAs and O&M personnel

Questions 48

Which descriptions about session parameters are correct?

Options:
A.

max_connections: maximum allowed connections

B.

wait_timeout: max idle time for non-interactive connections

C.

interactive_timeout: max idle time for interactive connections

D.

connect_timeout: exception thrown if connection not established in time

Questions 49

Which are valid plan display formats?

Options:
A.

Normal

B.

Pretty

C.

Analyze

D.

Verbose

Questions 50

GaussDB (for MySQL) allows backup policy configuration in Huawei Cloud Console. Which of the following cannot be modified?

Options:
A.

Retention days

B.

Backup time window

C.

Automatic backup switch

D.

Backup cycle

Exam Code: H13-921_V1.5
Certification Provider: Huawei
Exam Name: HCIP-GaussDB-OLTP V1.5
Last Update: Oct 5, 2025
Questions: 214

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