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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question 1

Which of the following statements is true regarding MySQL user account privileges?
Response:

A. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.
B. The RELOAD privilege allows a user to delete data from a table.
C. The GRANT option allows a user to revoke privileges from other users.
D. A user with the SUPER privilege can only read data from the database.

Question 2

You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A. Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
B. Use mysqldump with the - -changesonly option.
C. Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
D. Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.
E. Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.

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

Question 4

Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?

A. existing VCN
B. ssh key pair
C. Custom Image
D. subnet configured on a Virtual Cloud Network (VCN)
E. Object Storage
F. bare metal Oracle Linux shape

Question 5

Which activity will take place if a table is created with both the compression and encryption options?

A. The tablespace data is encrypted first and then compression is performed.
B. The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
C. The compression is performed before tablespace data is encrypted.
D. The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.

Solutions: