Huawei HCIE-openGauss (H14-331) Certification Sample Questions

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Huawei H14-331 Sample Questions:

01. Which best practices apply to log management in openGauss?
(Select TWO)
a) Archive logs before deletion
b) Disable logging in production
c) Store logs in application tables
d) Monitor disk usage regularly

02. A database must be restored quickly after a complete server failure with minimal downtime. Which backup type is most appropriate?
a) Logical backup
b) Physical backup
c) SQL script export
d) Metadata-only backup

03. Which benefits are provided by MVCC in openGauss?
(Select TWO)
a) Reduced read-write blocking
b) Elimination of all locks
c) Improved read performance
d) Guaranteed serial execution

04. After data growth, queries become slower despite existing indexes. What action should be taken first?
a) Drop and recreate tables
b) Refresh table statistics
c) Disable hash joins
d) Increase connection limits

05. Which two logs are useful for diagnosing performance issues in openGauss?
(Select TWO)
a) Query execution logs
b) Performance logs
c) Transaction logs
d) Error logs

06. How does MVCC allow readers and writers to operate concurrently?
a) By creating multiple versions of rows
b) By locking entire tables
c) By disabling isolation levels
d) By serializing transactions

07. Which two storage structures are used in openGauss for managing data?
(Select TWO)
a) Log segments
b) Indexes
c) Columnar storage
d) Tablespaces

08. In a distributed openGauss deployment, which component ensures data consistency across nodes?
a) Flashback
b) MOT
c) DCF
d) WAL

09. Which of the following are critical components of a query execution plan?
(Select TWO)
a) Query syntax correctness
b) Join order
c) Index usage
d) Disk I/O performance

10. What command is used to check performance logs in openGauss?
a) gs_log_check
b) gs_performance
c) gs_check_log
d) gs_perf_log

Answers:

Question: 01 Answer: a, d	Question: 02 Answer: b	Question: 03 Answer: a, c	Question: 04 Answer: b	Question: 05 Answer: a, b
Question: 06 Answer: a	Question: 07 Answer: b, d	Question: 08 Answer: c	Question: 09 Answer: b, c	Question: 10 Answer: d

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