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

Which regex pattern is used to match one or more 'h' characters?

• A.  h*
• B.  h+
• C.  h
• D.  h-

GaussDB (for MySQL) uses V5 CPU + Optane DC SSD + RDMA network hardware combo, ensuring stable and fast performance.

• A.  True
• B.  False

Which types of backup does Huawei Cloud provide?

• A.  Automatic backup
• B.  Full backup
• C.  Manual backup
• D.  Incremental backup

When using "Full SQL Insight," DAS must be enabled to collect all SQL. After enabling, what is the performance overhead within?

• A.  4%
• B.  3%
• C.  5%
• D.  2%

Which statements about storage engines are correct?

• A.  Each storage engine has unique formats, scenarios, and limitations
• B.  Storage engine determines data access mode, directly affecting read/write performance
• C.  Storage engine is the DBMS's bottom layer software responsible for creation, queries, updates
• D.  Different engines provide different mechanisms, indexes, lock levels, etc.