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

Questions 1

Which of the following isnota functional module of Cloud Audit?

Options:
A.

Audit log recording

B.

Audit log query

C.

Event file encryption

D.

Event file desensitization

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Questions 2

Which statements about the InnoDB engine in GaussDB (for MySQL) are correct?

Options:
A.

Supports full-text indexing

B.

Compared to MyISAM, InnoDB write performance is lower and uses more disk

C.

Supports foreign keys

D.

Provides transaction safety with commit, rollback, crash recovery

Questions 3

Which of the following are key operations supported by Cloud Audit (CTS) for GaussDB (for MySQL) instances?

Options:
A.

Modify DB port

B.

Create read-only instance

C.

Modify parameter template

D.

Delete DB user

Questions 4

The frequency of flushing logs from the buffer to disk is related to the parameter innodb_flush_log_at_trx_commit. Which value means "write log buffer data to log file and flush to disk every second"?

Options:
A.

1

B.

3

C.

2

Questions 5

DAS Enterprise Edition defines three types of user roles. Which of the following isnota role in DAS Enterprise Edition?

Options:
A.

System Administrator

B.

DBA

C.

Security Administrator

D.

Regular User

Questions 6

When querying information_schema.TABLES, which parameter indicates the size of table fragmentation?

Options:
A.

data volume

B.

data slice

C.

data_free

D.

data page

Questions 7

Which are common denormalization practices in DB design?

Options:
A.

Increase index count

B.

Recreate tables

C.

Add derived columns

D.

Add redundant columns

Questions 8

GaussDB (for MySQL) is a single-process, multi-threaded database. What are the advantages of threads?

Options:
A.

Easier creation/management, no memory allocation overhead

B.

Easier creation/management, no merge overhead

C.

Fast context switching

D.

Misbehaving threads won’t affect the entire system

Questions 9

Which of the following are Huawei Cloud’s database management tools?

Options:
A.

DAS

B.

DRS

C.

DBSS

D.

UGO

Questions 10

Slow query logs in GaussDB (for MySQL) are controlled by slow_query_log. 0/OFF disables, 1/ON enables.

Options:
A.

True

B.

False

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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