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  5. HCIP-GaussDB-OLTP V1.5 Questions and Answers

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Questions # 1:

Which of the following isnotan option of the EXPLAIN command?

Options:

A.

Performance

B.

Pretty

C.

Analyze

D.

Verbose

Questions # 2:

Which statements about field optimization in GaussDB (for MySQL) are correct?

Options:

A.

Choose efficient field types when possible

B.

Choose shorter field lengths when possible

C.

Match field type to business use (e.g., numeric for amounts)

D.

Design adequate length to avoid later schema changes

Questions # 3:

Which are Huawei Cloud security services?

Options:

A.

Database Security Service (DBSS)

B.

Cloud Audit Service (CTS)

C.

VPC network security functions

D.

Identity and Access Management (IAM)

Questions # 4:

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 # 5:

Which of the following statements about GaussDB (for MySQL) fault detection are correct?

Options:

A.

Fault detection is handled by HA monitor component

B.

Each node periodically outputs status (faults, CPU, memory, etc.)

C.

HA monitor promotes standby on primary failure, recovers standby on fault

D.

A node is marked faulty only after 3 consecutive failures to reduce false positives

Questions # 6:

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 # 7:

For multidimensional clue analysis in data security auditing, which clues are supported by Huawei Cloud?

Options:

A.

Risk clues

B.

Session clues

C.

Detailed statement clues

D.

User clues

Questions # 8:

Which of the following is a normal tenant creation process?

Options:

A.

Add parent tenant

B.

Add tenant

C.

Plan resource management

D.

Bind roles and tenant

Questions # 9:

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 # 10:

Horizontal partitioning always improves query performance.

Options:

A.

True

B.

False

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