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Pass the Huawei Huawei Certification H13-921_V1.5 Questions and answers with CertsForce

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Viewing questions 41-50 out of questions
Questions # 41:

Which statements about storage engines are correct?

Options:

A.

Different engines provide different mechanisms, indexes, lock levels, etc.


B.

Storage engine is the DBMS’s bottom layer software responsible for creation, queries, updates


C.

Storage engine determines data access mode, directly affecting read/write performance


D.

Each storage engine has unique formats, scenarios, and limitations


Expert Solution
Questions # 42:

Which type of backup in GaussDB (for MySQL) isretained even afterthe instance is deleted?

Options:

A.

Incremental backup


B.

Manual backup


C.

Full backup


D.

Automatic backup


Expert Solution
Questions # 43:

Object Storage Service (OBS) is a massive, secure, reliable, and low-cost storage service.

Options:

A.

True


B.

False


Expert Solution
Questions # 44:

The DAS Cloud DBA module can diagnose GaussDB (for MySQL) instances. Which dimensions are included in reports?

Options:

A.

Slow SQL analysis


B.

Full SQL analysis


C.

Performance & disk analysis


D.

Tablespace analysis


E.

Large transaction analysis


Expert Solution
Questions # 45:

When using security group functionality, which of the following is not a configurable setting?

Options:

A.

Access port


B.

Access protocol


C.

Priority


D.

Blacklist


Expert Solution
Questions # 46:

Which of the following is the correct sequence for connecting to a GaussDB (for MySQL) instance via the internet?

Options:

A.

2341


B.

3214


C.

2314


D.

3124


Expert Solution
Questions # 47:

What is the snapshot type used by GaussDB (for MySQL)?

Options:

A.

COW


B.

ROW


C.

DTR


D.

CROW


Expert Solution
Questions # 48:

Which SQL O&M features does Cloud DBA provide?

Options:

A.

Full SQL Insight


B.

SQL Diagnosis


C.

SQL Audit


D.

Slow SQL


Expert Solution
Questions # 49:

Which of the following is not an object included in a schema?

Options:

A.

Table


B.

View


C.

User


D.

Index


Expert Solution
Questions # 50:

The frequency of flushing the log from buffer to disk is related to the parameter innodb_flush_log_at_trx_commit. If you want to flush the log buffer and write it to disk every time a transaction is committed, what should the parameter value be?

Options:

A.

1


B.

2


C.

3


Expert Solution
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