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1Z0-921 Exam Cram Pdf, Reliable 1Z0-921 Exam Topics

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Oracle 1Z0-921 (MySQL 2021 Implementation Essentials) Certification Exam is intended for database administrators, developers, and IT professionals who are responsible for managing MySQL databases. MySQL 2021 Implementation Essentials certification is ideal for professionals who have experience working with MySQL and want to enhance their skills and knowledge. 1Z0-921 exam is also suitable for individuals who are looking to switch to a career in database administration or want to validate their existing skills in this field.

Oracle 1Z0-921: MySQL 2021 Implementation Essentials certification exam is designed for those professionals who want to gain expertise in implementing and maintaining MySQL databases. 1Z0-921 Exam consists of 60 questions and candidates have 105 minutes to complete it. 1Z0-921 exam is designed to evaluate the knowledge and skills of candidates in areas such as MySQL architecture, security, backup and recovery, and performance tuning.

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q64-Q69):

NEW QUESTION # 64
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A. Enables data-at-rest encryption by encrypting the physical files of the database.
B. Tablespace keys are managed manually behind the scenes.
C. Data is encrypted automatically, in real time, after it is written to storage.
D. Encryption key is stored in a centralized key memory location

Answer: A

NEW QUESTION # 65
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. The opc user
B. The root user
C. SSH public key
D. User Password
E. SSH private key
F. Public IP address

Answer: A

NEW QUESTION # 66
Which is true about inserting an additional line in a single document stored in MySQL document store?

A. Any new lines can only be inserted at the end of the document.
B. You specify the new element,s position in the JSON_ARRAY_INSERT statement.
C. The path specified must be an array position past the end of an array using the JSON_POSITION statement.
D. You cannot insert a single line, you have to replace the entire document with a new document.

Answer: B

NEW QUESTION # 67
The replication for a Master and Slave MySQL Servers is up and running. The disk space for Master Server is continuously growing. The binlog size keeps growing. Which two methods can fix the issue?

A. On the Master server, disable binlog by removing the --log-bin option.
B. Execute the purge binary logs statement without argument.
C. Delete all binlog files manually on the file system to release storage spaces.
D. To safely purge binary log files, perform these steps:
E. Set the expire_logs_days system variable to expire binary log files automatically after a given number of days.

Answer: D,E

NEW QUESTION # 68
MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A. Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
B. Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
C. Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
D. Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.

Answer: C,D

NEW QUESTION # 69
......

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