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H13-921_V1.5 Exam Dumps - Huawei Certification Questions and Answers

Question # 24

A database administrator received a "cannot connect" error. Diagnosis revealed that a new business caused client connections to exceed the preset limit. Which parameter should be adjusted to fix the error?

Options:

A.

max_connect_errors

B.

max_connections

C.

max_user_connections

D.

connect_timeout

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Question # 25

Which are advantages/features of GaussDB (for MySQL)?

Options:

A.

High performance: 7x native MySQL

B.

High scalability: up to 1 primary + 15 standbys, read/write separation, load balancing

C.

Massive storage: up to 128TB capacity

D.

Compute-storage separation: independently scalable resources

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Question # 26

Which roles exist in DAS Enterprise Edition?

Options:

A.

System Administrator

B.

DBA

C.

Business Owner role

D.

Regular User

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Question # 27

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

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Question # 28

In GaussDB (for MySQL), what is the default slow SQL threshold in seconds?

Options:

A.

15s

B.

20s

C.

10s

D.

5s

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Question # 29

Which SQL O&M features does Cloud DBA provide?

Options:

A.

Full SQL Insight

B.

SQL Diagnosis

C.

SQL Audit

D.

Slow SQL

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Question # 30

When creating a GaussDB (for MySQL) instance, system accounts are automatically created. Which of the following are such accounts?

Options:

A.

rdsRepl — replication account

B.

rdsAdmin — admin account with superuser privileges

C.

rdsBackup — backup account

D.

rdsMetric — monitoring account

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Question # 31

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

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Question # 32

In GaussDB (for MySQL), roles cannot log in but can execute SQL statements.

Options:

A.

True

B.

False

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Question # 33

When using “Full SQL Insight,” DAS must be enabled to collect all SQL. After enabling, what is the performance overhead within?

Options:

A.

2%

B.

3%

C.

4%

D.

5%

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