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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two statements are correct about MySQL Enterprise Edition?

A) MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
B) Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
C) Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
D) MySQL configuration can be changed in /etc/lib/myi.cnf.
E) MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.

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

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

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

4. You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?

A) The table will be optimized and replicated.
B) The table storage space will be reduced.
C) The table statistics will be stored.
D) The table will be checked for errors and repaired.

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

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

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