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Huawei H13-921_V1.5 - HCIP-GaussDB-OLTP V1.5

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Total 214 questions

The command show [session|global] status defaults to "global".

A.

True

B.

False

Using DROP USER must be cautious because deleted objects cannot be recovered even if interrupted.

A.

True

B.

False

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

A.

Risk clues

B.

Session clues

C.

Detailed statement clues

D.

User clues

Which Huawei Cloud service is used to control external access operations to virtual machines?

A.

IAM

B.

VPN

C.

Security Group

D.

VPC

DRS real-time migration supports only public network, VPC, and VPN migration.

A.

True

B.

False

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

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

What is the impossible result of executing: SELECT FLOOR(8 + (RAND()* 5));?

A.

8

B.

10

C.

12

D.

13

DAS Enterprise Edition supports export tasks: data only, structure only, or both, in SQL or CSV format.

A.

True

B.

False

Which statements about slow query logs are correct?

A.

Time waiting for initial table locks is excluded

B.

Slow logs record SQL affecting performance for later tuning

C.

Record order may differ from execution order

D.

Logs are written after execution and all locks are released

Regarding users, roles, and permissions, which of the following descriptions isincorrect?

A.

Database users are primarily used to connect to and access database objects

B.

Roles have the ability to log in and execute SQL statements

C.

Databases use roles to organize and divide permissions

D.

Creating a role requires the user to have CREATE ROLE or CREATE USER permissions