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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

A) tracing import and export with mysqldump
B) starting and stopping the MySQL instance
C) analyzing executed MySQL queries
D) creating e-mail alerts and SNMP traps for MySQL warnings
E) deploying MySQL agent on supported target operating system
F) monitoring the availability of the MySQL Instance

2. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL Servers with Group Replication to replicate data to all members of the cluster.
B) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
C) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
D) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
E) MySQL Online Hot Backup to keep data consistent and always ready to be used.

3. You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A) --copy-back-and-apply-log
B) --uncompress-and-apply-log
C) --uncompress
D) --decompress
E) --apply-log-and-copy-back

4. 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) Primary keys are required on every replicated table.
D) The minimum number of required nodes for achieving a consensus is two.
E) The binary log format must be set to mixed.
F) GR only works with MySQL versions 8.0.12 or higher.

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

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

Solutions: