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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:

A) PVC (Persistent Volume Claim) and PV (Persistent Volume)
B) Pod and ReplicaSet
C) Secret and Deployment
D) PVC (Persistent Volume Claim) and ConfigMap

2. Which three statements describe MySQL Enterprise Backup?

A) MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
B) MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
C) MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
D) MySQL Enterprise Backup provides the point-in-time recovery functionality.
E) MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.

3. The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

A) The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
B) MySQL Enterprise Monitor creates the required users automatically.
C) Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
D) The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.

4. Which two deployment architectures could you use for scaling-out database reads?

A) Edit the configuration file and increase the value for parallel_read_workers and reboot the server
B) Altering the storage engine for all tables to memory to increase performance.
C) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
D) Implementing a three-node, single-primary InnoDB Cluster.
E) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.

5. Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

A) Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.
B) Only the t2 table is created.
C) Only the t1 table is created.
D) Both the tables, t1 and t2, are created.

Solutions: