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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.

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Oracle MySQL 2021 Implementation Essentials Sample Questions (Q31-Q36):

NEW QUESTION # 31
Which three are characteristics of the JSON data type?

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

Answer: C,D,F

NEW QUESTION # 32
Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

A. creating e-mail alerts and SNMP traps for MySQL warnings
B. monitoring the availability of the MySQL Instance
C. deploying MySQL agent on supported target operating system
D. tracing import and export with mysqldump
E. analyzing executed MySQL queries
F. starting and stopping the MySQL instance

Answer: A,C,D

NEW QUESTION # 33
You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

A. Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
B. Add validate_password=,new level, in the [security] section of the MySQL configuration file.
C. SET GLOBAL validate_password_policy=,new level,;
D. SET GLOBAL force_password_complex_policy=0;

Answer: A,C

NEW QUESTION # 34
Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A. Groups must be in even numbers; 2, 4, 6, 8.
B. The number of machines per group must be 3, 5, 7 or 9.
C. Networks must be in separate regions.
D. Use Network-attached storage (NAS) for the data files.
E. use SSD,s for data and replication logs
F. smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
G. isolated machine resources

Answer: A,B,D

NEW QUESTION # 35
An Oracle Cloud Infrastructure customer already has many database instances configured and running in the cloud; however, they are reporting that they are unable to create any more instances.
What could be the problem?

A. The customer reached the database instance limit of 32.
B. The customer account might have reached resource quota/limits.
C. The customer does not have proper user rights.
D. The customer has not kept up with their patching requirements; new instances cannot be created unless the majority or the template of existing instances are up-to-date.

Answer: A

NEW QUESTION # 36
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Official 1Z0-921 Study Guide | Pdf 1Z0-921 Exam Dump

Customizable Oracle 1Z0-921 Practice Exams to Enhance Test Preparation (Desktop + Web-Based)

Oracle MySQL 2021 Implementation Essentials Sample Questions (Q31-Q36):

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