ORACLE 1Z1-921 EXAM ONLINE - 1Z1-921 RELIABLE EXAM REGISTRATION

Oracle 1Z1-921 Exam Online - 1Z1-921 Reliable Exam Registration

Oracle 1Z1-921 Exam Online - 1Z1-921 Reliable Exam Registration

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q53-Q58):

NEW QUESTION # 53
Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

  • A. isolated machine resources
  • B. The number of machines per group must be 3, 5, 7 or 9.
  • C. Networks must be in separate regions.
  • D. Groups must be in even numbers; 2, 4, 6, 8.
  • E. use SSD,s for data and replication logs
  • F. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
  • G. Use Network-attached storage (NAS) for the data files.

Answer: B,D,G


NEW QUESTION # 54
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 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.
  • 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 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.
  • 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 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.

Answer: B


NEW QUESTION # 55
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 provides the point-in-time recovery functionality.
  • D. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
  • E. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.

Answer: A,C,E


NEW QUESTION # 56
Which three are requirements for MySQL Group Replication (GR)?

  • A. GR only works with MySQL versions 8.0.12 or higher.
  • B. Primary keys are required on every replicated table.
  • C. The minimum number of required nodes for achieving a consensus is two.
  • D. Data to be replicated must be stored in the InnoDB transactional storage engine.
  • E. The binary log format must be set to mixed.
  • F. The use of global transaction identifiers is required.

Answer: B,D,E


NEW QUESTION # 57
Which MySQL command is used to grant specific privileges to a user on a database?
Response:

  • A. GRANT
  • B. GRANT PERMISSIONS
  • C. GIVE ACCESS
  • D. SET PRIVILEGES

Answer: A


NEW QUESTION # 58
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