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Visual 1Z0-921 Cert Exam | Simulated 1Z0-921 Test
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Preparing for the Oracle 1Z0-921 Exam requires a solid understanding of MySQL database concepts and hands-on experience with MySQL databases. Candidates can prepare for the exam by taking training courses, reviewing documentation, and practicing with sample questions and simulations. Oracle offers a range of training courses and resources to help candidates prepare for the exam, including classroom training, online courses, and self-study materials.
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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q29-Q34):
NEW QUESTION # 29
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.
- A. MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
- B. It provides multi-master access where the application can write and read data across the database servers.
- C. You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
- D. MySQL Enterprise Backup will back up from Slave automatically.
- E. It allows backup to be done on the slave without impacting the master.
Answer: C,D,E
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NEW QUESTION # 30
What three are ways to export and import data in MySQL Workbench?
- A. Result Data Export and Import
- B. Binary Data Export and Import Wizard
- C. SQL Data Export and Import Wizard
- D. Backup Data Export and Import Wizard
- E. Data Modeling Import Export Wizard
- F. Table Data Export and Import Wizard
Answer: A,C,F
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NEW QUESTION # 31
The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?
- A. The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
- B. MySQL Enterprise Monitor creates the required users automatically.
- C. Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
- D. The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
Answer: D
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NEW QUESTION # 32
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. As root, execute the show password command by using the SHA-256 password encryption plug-in.
- 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. The root password inserted in the error log set by the --log-error=[file_name] variable
Answer: A,B
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NEW QUESTION # 33
Which three are requirements for MySQL Group Replication (GR)?
- A. GR only works with MySQL versions 8.0.12 or higher.
- B. The minimum number of required nodes for achieving a consensus is two.
- C. Data to be replicated must be stored in the InnoDB transactional storage engine.
- D. The use of global transaction identifiers is required.
- E. Primary keys are required on every replicated table.
- F. The binary log format must be set to mixed.
Answer: C,E,F
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NEW QUESTION # 34
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