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Examine this partial InnoDB Cluster status output showing three hosts:

• host1:3377 mode R/W, status ONLINE

• host2:3377 mode R/O, status MISSING

• host3:3377 mode R/O, status ONLINE

Which statement explains the state of the instance on host2?

Which statement enables all roles granted to all users automatically?

Examine this statement, which executes successfully: （含图） You want to improve the performance of this query: （含图） Which change enables the query to succeed while accessing fewer rows?

Examine this configuration:

• Corporate private network uses its own CA with 2048-bit RSA key.

• All MySQL server and client certificates are signed by this corporate CA.

• Clients are known, controlled, and on private LAN.

• Private network uses its own authoritative DNS and other enterprise services.

• End-to-end encrypted MySQL client-server connection established on LAN.

How does the MySQL server's self-signed certificate compare to one signed by a known public third-party CA?

Examine this output: （含图） Which statement is true?

You recently upgraded to MySQL 8.0. Examine this client error:（含图） Which option will allow this client to connect to MySQL Server?

You planned an upgrade of your MySQL Server from version 5.7 to version 8. You created a full backup and successfully tested the upgrade on a test server. You then upgraded production successfully. Soon after, the application team asks to roll back the upgrade. Which statement is true?

MySQL programs look for option files in standard locations. Which method shows the option files and the order they are read?

An attempt to recover an InnoDB Cluster fails with messages: （含图） Which statement is true?

（含图） What information does this query provide?

You plan to take daily full backups, including the ndbinfo and sys internal databases. Which command will back up the databases in parallel?

Examine these statements and output: （含图） Which statement is true?

（含图） Which change enables the query to succeed while accessing fewer rows?

Which characters are most commonly used in SQL injection attacks?

（含图） Which statement is true if primary node ic1 fails?

（含图） Which step(s) will resolve the errors?

Which statement is true?

（含图） What files exist in the test folder in the data directory?

Where is the default data directory located after installing MySQL using RPM on Oracle Linux 7?

You must configure MySQL command-line client for highest trust and security connecting to remote server. Which --ssl-mode value achieves this?

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