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PrepPDF 1Z1-921: The Penetration Tester's Guide Test Engine

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Oracle 1Z0-921 exam, also known as the MySQL 2021 Implementation Essentials exam, is a certification exam that tests an individual's expertise in MySQL database installation, configuration, administration, and troubleshooting. 1Z1-921 exam is designed for IT professionals, database administrators, developers, and other individuals who work with MySQL databases and want to validate their skills and knowledge in the subject.

Oracle 1Z0-921 exam consists of 60 multiple-choice questions that must be answered within 105 minutes. 1Z1-921 exam is available in multiple languages and can be taken at authorized testing centers or online. The passing score for the exam is 64% and individuals who pass the exam will be awarded the Oracle Certified Specialist credential, which demonstrates their expertise in MySQL implementation.

Oracle 1Z0-921 certification exam is intended for IT professionals who have a strong understanding of MySQL and are seeking to prove their skills and knowledge in this area. 1Z1-921 Exam is ideal for database administrators, developers, and other IT professionals who work with MySQL databases on a regular basis and want to demonstrate their expertise to potential employers. MySQL 2021 Implementation Essentials certification also provides a competitive edge in the job market and opens up new opportunities for career growth and advancement.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q68-Q73):

NEW QUESTION # 68
You are using the innoDB engine and the innodb_f ile_per_table option is set.
You delete a significant number of rows of a large table named inventory and issue the command optimize table inventory.
What will happen to the inventory table?

A. The table statistics will be stored.
B. The table storage space will be reduced.
C. The table will be checked for errors and repaired.
D. The table will be optimized and replicated.

Answer: D

NEW QUESTION # 69
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. Public IP address
B. SSH public key
C. The opc user
D. SSH private key
E. User Password
F. The root user

Answer: C

NEW QUESTION # 70
Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A. Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.
B. Increasing the storage capacity so that the database can store more data to scale.
C. Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
D. Allocating more CPU to the database instance to improve throughput performance.
E. Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.

Answer: B

NEW QUESTION # 71
Which two are advantages of using Document Store in MySQL?

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

Answer: A,B

NEW QUESTION # 72
Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

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

Answer: A

NEW QUESTION # 73
......

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