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Relevant 1Z0-921 Exam Dumps & Answers 1Z0-921 Free

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The Oracle 1Z0-921 exam tests the candidate's knowledge on topics such as MySQL architecture, installation, configuration, security, performance tuning, backup, and recovery. 1Z0-921 exam consists of 70 multiple-choice questions that need to be completed in 105 minutes. To pass the exam, candidates need to score at least 63% or higher. MySQL 2021 Implementation Essentials certification is valid for a period of 18 months, after which the candidate needs to retake the exam to maintain their certification status. Obtaining the Oracle 1Z0-921 Certification is an excellent way for individuals to showcase their expertise in MySQL database management and enhance their career prospects.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q27-Q32):

NEW QUESTION # 27
Which three options are valid reasons for using a primary key in a table?

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

Answer: A,C,E

NEW QUESTION # 28
You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A. audit-log=FORCE_PLUS_PERMANENT
B. LOAD PLUGIN=AUDIT_LOG
C. plugin-audit=ON, ALWAYS
D. audit_log_permanent=ON
E. plugin-load=audit_log.so

Answer: A,D

NEW QUESTION # 29
Which two statements are correct about MySQL Enterprise Edition?

A. MySQL configuration can be changed in /etc/lib/myi.cnf.
B. Oracle offers 24x7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.
C. Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).
D. MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.
E. MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.

Answer: A,C

NEW QUESTION # 30
Which three statements are true about MySQL Enterprise Backup?

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

Answer: A,B,C

NEW QUESTION # 31
Which two are advantages of using Document Store in MySQL?

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

Answer: D,E

NEW QUESTION # 32
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