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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. When should you perform a backup in a MySQL database?
Response:

A) Only when the database size exceeds a certain limit.
B) After critical data updates or before making significant changes to the database.
C) After every successful query execution.
D) Only during scheduled maintenance windows.

2. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) START SLAVE
B) START RUN SLAVE
C) SLAVE START
D) RUN SLAVE
E) SLAVE RUN

3. You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A) audit-log=FORCE_PLUS_PERMANENT
B) plugin-load=audit_log.so
C) plugin-audit=ON, ALWAYS
D) LOAD PLUGIN=AUDIT_LOG
E) audit_log_permanent=ON

4. Which activity will take place if a table is created with both the compression and encryption options?

A) The compression is performed before tablespace data is encrypted.
B) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
C) The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
D) The tablespace data is encrypted first and then compression is performed.

5. Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A) Custom Image
B) subnet configured on a Virtual Cloud Network (VCN)
C) Object Storage
D) bare metal Oracle Linux shape
E) ssh key pair
F) existing VCN

Solutions: