Oracle 1Z1-921 : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) START SLAVE
B) RUN SLAVE
C) SLAVE RUN
D) SLAVE START
E) START RUN SLAVE

2. Which three statements describe MySQL Enterprise Backup?

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

3. An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A) MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
B) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
C) mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
D) MySQL Enterprise Backup does not back up system data so that it is much faster.
E) mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.

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

5. Which two statements are true about MySQL Enterprise Authentication?

A) MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
B) MySQL Enterprise Authentication supports Windows Active Directory.
C) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
D) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
E) MySQL Enterprise Authentication determines what operation the user can perform.

Solutions: