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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

A) dictionary substitution
B) strict or relaxed masking
C) random data substitution
D) whitelisting and substitution
E) misspelling

2. After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A) The root_pw variable stored in the mysq1.install table.
B) The root password displayed on the screen via a [warning] message.
C) As root, execute the show password command by using the SHA-256 password encryption plug-in.
D) The root password is not given and is blank. You must manually set the root password.
E) The root password inserted in the error log set by the --log-error=[file_name] variable

3. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
B) Convert the private key to ppk format first and use the new private key for authentication.
C) Use the provided private key for authentication.
D) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.

4. Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A) Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.
B) Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
C) Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
D) Increasing the storage capacity so that the database can store more data to scale.
E) Allocating more CPU to the database instance to improve throughput performance.

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

Solutions: