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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

2. The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A) On the Master server, disable binlog by removing the --log-bin option.
B) Delete all binlog files manually on the file system to release storage spaces.
C) To safely purge binary log files, perform these steps:
D) Execute the purge binary logs statement without argument.
E) Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.

3. Which three are requirements for MySQL Group Replication (GR)?

A) Data to be replicated must be stored in the InnoDB transactional storage engine.
B) The use of global transaction identifiers is required.
C) The minimum number of required nodes for achieving a consensus is two.
D) GR only works with MySQL versions 8.0.12 or higher.
E) Primary keys are required on every replicated table.
F) The binary log format must be set to mixed.

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

5. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?

A) MySQL Enterprise Transparent Data Encryption (TDE)
B) MySQL Enterprise Audit
C) MySQL Enterprise Scalability
D) MySQL Enterprise Data Masking and De-identification
E) MySQL Enterprise No-Login Authentication

Solutions: