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最新的 Oracle MySQL 1Z0-921 免費考試真題:

1. 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) The root password displayed on the screen via a [warning] message.
D) The root password is not given and is blank. You must manually set the root password.
E) As root, execute the show password command by using the SHA-256 password encryption plug-in.

2. You have three machines with MySQL Databases running on Linux platform.
Which backup procedures would allow online and remote backup of the MySQL Database on the three machines to a connected Storage NFS?

A) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on machine which is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - -backup-dir and by giving--hosts=machine1:port1, machine2:port2, machine3:port3.4. Validate the backups using the mysqlbackup program to ensure that the backups created are valid.
B) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Workbench on a separate machine, which is used to connect to the three machines to back up and restore.3. Startup MySQL backup from MySQL Workbench to back up the three databases.4. Validate the backup by using MySQL Workbench to ensure that the backup created is valid.
C) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on the machine that is used to start the backup.3. Start mysqlbackup on only one machine with the installation to back up the databases for the three machines to the mounted volume using - - backup-dir and by specifying -- config-files=my1.cnf, my2.cnf, my3.cnf.my1.cnf, my2cnf, and my3.cnf are the MySQL Database Configuration files on the three machines.4. Validate the backup by using the mysqlbackup program to ensure that the backup created is valid.
D) 1. Mount the Remote Storage NFS volume to each of the three machines with proper privilege for the backup OS user to have all access.2. Install MySQL Enterprise Backup on all three machines.3. Start mysqlbackup on all machines to back up the database to the mounted volume using - -backup-dir.4. Validate the backup using the mysqlbackup program to ensure that the backup created is valid.

3. You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?

A) The MASTER and SLAVE are grouped as one instance for monitoring.
B) The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
C) All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
D) The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
E) The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.

4. 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 is an optimized backup based on mysqldump 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.

5. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?

A) MySQL Enterprise Transparent Data Encryption (TDE)
B) MySQL Enterprise Scalability
C) MySQL Enterprise Audit
D) MySQL Enterprise No-Login Authentication
E) MySQL Enterprise Data Masking and De-identification

問題與答案：