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Huawei H13-921_V1.5 Exam Syllabus Topics:

Huawei HCIP-GaussDB-OLTP V1.5 Sample Questions:

1. Which of the following window functions are supported by GaussDB (for MySQL)?

A) FIRST_VALUE()
B) MIDDLE_VALUE()
C) LAG()
D) LEAD()

2. Which statements about SQL execution process are correct?

A) Connector: manages connections, verifies permissions
B) Parser: generates execution plan, selects indexes
C) Executor: operates engine, returns results
D) Storage engine: stores data, provides read/write interface

3. When executing select * from processlist; to view instance-related information in GaussDB (for MySQL), which database should be used?

A) performance_schema
B) sys
C) information_schema
D) mysql

4. Which of the following statements about PLOG objects in Log Stores are correct?

A) Default 3 replicas, strong consistency on writes, read from any replica
B) Uses append-only storage
C) PLOG size limited to 10GB
D) Identified by a 24-byte unique ID

5. The MyISAM engine supports tables with different storage formats. Which are supported?

A) Static tables
B) Dynamic tables
C) Compressed tables
D) Temporary tables

Solutions: