Oracle 1Z1-921 Exam : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A) It allows backup to be done on the slave without impacting the master.
B) MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
C) MySQL Enterprise Backup will back up from Slave automatically.
D) 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.
E) It provides multi-master access where the application can write and read data across the database servers.

2. Which three are characteristics of the JSON data type?

A) It validates the JSON syntax on insert or merge.
B) It supports indexing directly against the JSON-defined column.
C) It is based on the TEXT data type.
D) A set of SQL functions substantially support the SQL utilization of the data type.
E) Key or array references enable quick read-access to look up document elements directly.
F) Comparisons of JSON values are not case-sensitive.

3. Which two statements are true about MySQL Enterprise Authentication?

A) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
B) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
C) MySQL Enterprise Authentication supports Windows Active Directory.
D) MySQL Enterprise Authentication determines what operation the user can perform.
E) MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..

4. Which three statements are true about MySQL Enterprise Backup?

A) It provides the ability to create incremental backups.
B) It performs logical backups.
C) It performs hot or warm backups.
D) It cannot back up encrypted tablespaces.
E) It enables you to take non-locking backups.

5. How would you restrict a user Joe from accessing all MySQL database objects?

A) CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
B) Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
C) CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
D) UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';
E) REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;

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