[Q38-Q58] 100% Guaranteed Results 1Z1-921 Unlimited 78 Questions [2025]

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100% Guaranteed Results 1Z1-921 Unlimited 78 Questions [2025]

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Oracle 1Z0-921: MySQL 2021 Implementation Essentials exam is an industry-recognized certification that validates a candidate’s knowledge and skills in implementing and managing MySQL databases. 1Z1-921 exam is designed for professionals who work with MySQL databases and want to demonstrate their expertise in this area. By passing 1Z1-921 exam, candidates can prove their proficiency in installing, configuring, and administering MySQL databases.

NEW QUESTION 38
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.

Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.

Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.

Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.

NEW QUESTION 39
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?

Create user by using CREATE USER ‘newuser’ @’localhost’ SET PASSWORD AS ‘Sh@256Pa33’;

Add –default_authentication_plugin=sha256_password on the command line when you invoke the server.

Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.

Create user by using CREATE USER ‘newuser’@’localhost’ IDENTIFIED WITH ‘Sh@256Pa33’;

NEW QUESTION 40
By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.

MySQL Enterprise Backup will back up from Slave automatically.

It provides multi-master access where the application can write and read data across the database servers.

It allows backup to be done on the slave without impacting the master.

You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.

NEW QUESTION 41
Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

Both the tables, t1 and t2, are created.

Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.

Only the t2 table is created.

Only the t1 table is created.

NEW QUESTION 42
You just installed MySQL by Using a Package Manager on Linux.
Where are the default InnoDB redo log files stored?

/usr/mysql

/var/lib/mysql

/var/lib/mysql/innodb

/usr/bin/logs

/usr/redo

/etc/my.cnf

NEW QUESTION 43
When should you perform a backup in a MySQL database?
Response:

Only during scheduled maintenance windows.

After critical data updates or before making significant changes to the database.

After every successful query execution.

Only when the database size exceeds a certain limit.

NEW QUESTION 44
How would you restrict a user Joe from accessing all MySQL database objects?

CREATE USER ,joe’@,0.0.0.0, SET Password=PASSWORD(,% ! %,)

REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;

UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe’;

Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.

CREATE USER , joe,@1′ %’ DENY ALL PRIVILEGES

NEW QUESTION 45
Which component of MySQL Enterprise Monitor provides trend analysis and capacity planning for MySQL databases?
Response:

MySQL Advisors

Query Analyzer

MySQL Dashboard

MySQL Query Analyzer

NEW QUESTION 46
You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you ” Add SSH key ” information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.

Use the provided private key for authentication.

Convert the private key to ppk format first and use the new private key for authentication.

Open Port 22 on your OCI Instance and configure Putty with the ssh private key.

NEW QUESTION 47
Which three options are valid reasons for using a primary key in a table?

increasing performance when using select statements

exporting data faster with mysqldump

preventing duplicate keys

to make it easier to change the PRIMARY KEY value

automatic storage of data in a sorted order

maintaining a history of row insertions or updates

NEW QUESTION 48
What three are ways to export and import data in MySQL Workbench?

Result Data Export and Import

Binary Data Export and Import Wizard

SQL Data Export and Import Wizard

Backup Data Export and Import Wizard

Table Data Export and Import Wizard

Data Modeling Import Export Wizard

NEW QUESTION 49
Which is a correct example of creating an Enterprise Encryption function?

SET @function = CREATE_ASYMMETRIC_PRIV_KEY(@algo, @key_len);

CREATE FUNCTION asymmetric_decrypt RETURNS STRING SONAME ,openss1_udf.so,;

INSERT INTO t1 (key_co1) FUNCTION(CREATE_ASYMMETRIC_PRIV_KEY(,RSA,, 1024));

VALIDATE FUNCTION create_asymmetric_priv_key WITH ,openssl_udf.so’;

NEW QUESTION 50
Which MySQL command is used to grant specific privileges to a user on a database?
Response:

GRANT

GIVE ACCESS

SET PRIVILEGES

GRANT PERMISSIONS

NEW QUESTION 51
Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?

You forgot to enable port 3306.

The opc user can be used to access MySQL only with the created SSH-Key.

Only root is allowed to access from non-localhost.

You forgot to create the correct SSL/TLC certificate during the setup process.

The OCI instance is still in the “creation” process.

NEW QUESTION 52
Which two statements are correct about MySQL Enterprise Edition?

MySQL configuration can be changed in /etc/lib/myi.cnf.

MySQL Enterprise Edition can be installed on an Oracle Cloud Infrastructure Compute Instance.

Oracle MySQL Enterprise tools & plugins are available as optional services (installation Feature Pack I/II).

MySQL Enterprise Product Suite can be installed on an Oracle Cloud Infrastructure Virtual Cloud Network.

Oracle offers 24×7, global support for MySQL Enterprise Edition products installed on Oracle Cloud Infrastructure Compute Instances.

NEW QUESTION 53
The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

The super privilege is required when starting, stopping, or restarting monitored MySQL databases.

MySQL Enterprise Monitor creates the required users automatically.

The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.

Monitoring metrics need super and root privileges because they are not available for a less-privileged user.

NEW QUESTION 54
Which Oracle product is certified to work with MySQL Enterprise Edition?

Oracle Enterprise Backup

Oracle Data Pump

Oracle Enterprise Manager

Oracle Application Express

NEW QUESTION 55
Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

Native Windows services

authentication via Pluggable Authentication Modules (PAMs)

Simple Authentication and Security Layer

SECURID authentication and authorization identity

authentication using SHA-256 password hashing

connections through the local host via the UNIX socket file

NEW QUESTION 56
You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?

The SLAVE and MASTER instances are started with the same configured value for the option – – monitor_server_uuid.

The MASTER and SLAVE are grouped as one instance for monitoring.

The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.

The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.

All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.

NEW QUESTION 57
Which statement is used to create a new MySQL database?
Response:

CREATE DATABASE

CREATE SCHEMA

CREATE TABLE

NEW DATABASE

NEW QUESTION 58
Which statement adds a column with the largest integer data type?

ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;

ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;

ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);

ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);

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Oracle 1Z0-921 certification is ideal for database administrators, developers, and IT professionals who want to demonstrate their skills and expertise in MySQL implementation. MySQL 2021 Implementation Essentials certification is recognized globally and is highly respected within the IT industry. Achieving this certification can help professionals advance their careers, increase their earning potential, and gain recognition within their organizations.

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