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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You have created your Compute instance using an Oracle-provided Oracle Linux image.
You want to log in to your OCI Compute instance using SSH. Which three items do you need for this process?

A) The root user
B) SSH public key
C) Public IP address
D) User Password
E) The opc user
F) SSH private key

2. Which three options are valid reasons for using a primary key in a table?

A) maintaining a history of row insertions or updates
B) exporting data faster with mysqldump
C) automatic storage of data in a sorted order
D) increasing performance when using select statements
E) to make it easier to change the PRIMARY KEY value
F) preventing duplicate keys

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

4. The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?

A)

B)

C)

D)

5. Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?

A) You forgot to enable port 3306.
B) Only root is allowed to access from non-localhost.
C) You forgot to create the correct SSL/TLC certificate during the setup process.
D) The OCI instance is still in the "creation" process.
E) The opc user can be used to access MySQL only with the created SSH-Key.

Solutions: