Oracle 1Z1-921

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

2. Which three are levels in which MySQL Enterprise Monitor provides access control?

A) MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
B) MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
C) Application administration: the rights to view or change the MySQL Enterprise Monitor configuration
D) Specific data access: the rights to view specific types of potentially sensitive data
E) Asset visibility: the rights to access data collected from hosts or MySQL instances

3. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

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

4. You want to create an encrypted table. So, you enter this command:
CREATE TABLE 'test_encryption2% (
'id' int(10) unsigned NOT NULL AUTO_INCREMENT,
'server_name' varchar(15) NOT NULL,
PRIMARY KEY ('id') ) ENGINE=MYISAM AUTO_INCREMENT=l DEFAULT CHARSET=latin1 ENCRYPTION = 'Y1; You receive the following error:
ERROR 1031 (HY000): Table storage engine for 'test_encryption2' doesn't have this option Which statement correctly explains the reason for this error?

A) The term "server_name" is a reserved MySQL term. You cannot use it for the new table. This is what is causing the error.
B) You cannot use the AUTO_INCREMENT option to create an encrypted table. This is what is causing the error.
C) The test_encryption2 already exist. You are not using the correct option to recreate it and it is causing the error.
D) The encryption feature only works with InnoDB tables. You are creating a MylSAM table, and it is causing the error.

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

Solutions: