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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two are advantages of using Document Store in MySQL?

A) MySQL provides a NoSQL API to access the document store
B) MySQL provides a native data type to store JSON data as a document
C) MySQL provides a native data type to index PDF documents
D) MySQL is a document database allowing PDF and Word documents
E) MySQL can store XML as a schema-less database

2. You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A) --copy-back-and-apply-log
B) --apply-log-and-copy-back
C) --decompress
D) --uncompress-and-apply-log
E) --uncompress

3. Which three are requirements for MySQL Group Replication (GR)?

A) Data to be replicated must be stored in the InnoDB transactional storage engine.
B) The use of global transaction identifiers is required.
C) The minimum number of required nodes for achieving a consensus is two.
D) The binary log format must be set to mixed.
E) GR only works with MySQL versions 8.0.12 or higher.
F) Primary keys are required on every replicated table.

4. Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A) MySQL Audit and MySQL Workbench
B) MySQL Workbench and MySQL Enterprise Firewall
C) SQL Enterprise Monitor and MySQL Enterprise Authentication
D) MySQL Enterprise Monitor and MySQL Audit

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

Solutions: