[Mar 29, 2026] New 1Z1-922 Exam Dumps with High Passing Rate [Q143-Q161]

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[Mar 29, 2026] New 1Z1-922 Exam Dumps with High Passing Rate

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QUESTION 143
Which replication topology allows each server to act as both a primary and a replica, enabling updates on any server?

Primary-replica replication

Circular replication

Multi-primary replication

Synchronous replication

Multi-primary replication (also known as multi-master replication) allows updates on any server in the topology, with changes being replicated to all other servers.

QUESTION 144
What type of data does MySQL Enterprise Audit collect?

Data on query performance

User activity logs

Backup metadata

Replication lag statistics

MySQL Enterprise Audit collects detailed logs of user activities, including login attempts and database queries, providing a comprehensive audit trail for security and compliance purposes.

QUESTION 145
Which two components are integral to the HeatWave architecture?

HeatWave nodes

Data nodes

MySQL Enterprise Backup

MySQL Query Cache

The HeatWave architecture includes HeatWave nodes, which process analytic queries, and data nodes, which store data for in-memory processing. These components work together to optimize query performance.

QUESTION 146
Which feature of HeatWave allows it to scale efficiently for large datasets?

Query caching

Adding more HeatWave nodes to scale out in-memory analytics

Binary logging

Multi-primary replication

HeatWave offers linear scalability, meaning that adding more HeatWave nodes increases the in-memory capacity and allows the system to handle larger datasets and workloads efficiently.

QUESTION 147
Which type of buffering is provided by the InnoDB Buffer Pool?

Query result buffering

Data and index page buffering

Binary log buffering

Log buffer flushing

The InnoDB Buffer Pool caches frequently accessed data and index pages, reducing the need for disk I/O and improving query performance.

QUESTION 148
What is the purpose of the binary log in MySQL replication?

To store query results

To store changes made to the database

To cache queries for faster access

To back up data automatically

The binary log records all changes made to the database (such as updates, inserts, and deletes). These logs are used to replicate these changes to the replica servers.

QUESTION 149
Which feature of MySQL Workbench helps in analyzing database performance and optimizing queries?

Schema Designer

Query Profiler

Data Export Wizard

Connection Manager

The Query Profiler in MySQL Workbench helps analyze the performance of individual queries by providing execution plans and detailed statistics, allowing for query optimization.

QUESTION 150
Which command would you use to remove a user from the MySQL system?

DROP USER ‘user’@’host’;

REVOKE ‘user’@’host’;

DELETE USER ‘user’@’host’;

ALTER USER ‘user’@’host’;

The DROP USER statement is used to remove a user from the MySQL system, including all their privileges.

QUESTION 151
What does MySQL Enterprise Backup provide that is not available with the Community Edition?

Backup scheduling

Point-in-time recovery

Real-time query analysis

Integration with LDAP

MySQL Enterprise Backup offers advanced features such as point-in-time recovery, which allows you to restore the database to a specific time. This feature is critical for disaster recovery and is not available in the Community Edition.

QUESTION 152
How do you ensure a MySQL table column automatically assigns a unique sequential value to each new row?

Add a PRIMARY KEY constraint

Add an AUTO_INCREMENT attribute

Use a UNIQUE constraint

Use a sequence

The AUTO_INCREMENT attribute ensures that each new row receives a unique sequential value in the specified column, usually used for primary keys.

QUESTION 153
Which MySQL feature enables multi-factor authentication (MFA) for enhanced security?

MySQL Enterprise Firewall

MySQL Enterprise Authentication

MySQL Enterprise Monitor

MySQL Enterprise Backup

MySQL Enterprise Authentication supports multi-factor authentication (MFA), which enhances security by requiring multiple forms of verification before granting access to the database.

QUESTION 154
What does the innodb_log_file_size parameter in MySQL control?

The size of redo logs

The size of the buffer pool

The size of individual InnoDB tables

The maximum number of concurrent connections

The innodb_log_file_size parameter controls the size of the InnoDB redo log files. These logs help in transaction management and recovery. Increasing the size can reduce the frequency of log flushes, improving performance during write-heavy operations.

QUESTION 155
Which MySQL datatype would be most appropriate for storing a social security number?

INT

VARCHAR

DECIMAL

FLOAT

VARCHAR is the best datatype for storing a social security number because it often contains non- numeric characters such as hyphens, and the number itself is not used in calculations.

QUESTION 156
In a MySQL InnoDB Cluster, what is a quorum and why is it important?

It is a majority of nodes needed to commit a transaction

It is the process of manually promoting a replica

It is a backup system for the cluster

It is a set of SQL queries used for replication

A quorum in MySQL InnoDB Cluster refers to the majority of nodes that must agree on committing a transaction to ensure consistency and avoid split-brain scenarios. It is crucial for maintaining data integrity in the cluster.

QUESTION 157
Which datatype would you use to store a list of predefined values in MySQL?

SET

ENUM

TEXT

BLOB

ENUM is a datatype in MySQL that stores a value chosen from a list of predefined options. It is useful for storing categories or status fields.

QUESTION 158
Which of the following is a characteristic of MySQL semi-synchronous replication?

The primary server waits for at least one replica to apply the transaction before committing

The primary server waits for at least one replica to acknowledge the receipt of the transaction before committing

The replica server is always in sync with the primary

All replicas must acknowledge the transaction before it is committed

In semi-synchronous replication, the primary server waits for one replica to acknowledge receipt of the transaction before committing, but it does not wait for the replica to apply the transaction.

QUESTION 159
How do you specify the character set for a database in MySQL when creating it?

CREATE DATABASE db_name CHARSET ‘utf8’;

CREATE DATABASE db_name DEFAULT CHARSET ‘utf8’;

CREATE DATABASE db_name CHARSET=utf8;

CREATE DATABASE db_name DEFAULT CHARSET=utf8;

To specify the character set during database creation, use DEFAULT CHARSET=utf8 (or any other desired character set) in the CREATE DATABASE statement.

QUESTION 160
Which MySQL feature provides graphical dashboards for real-time performance monitoring?

MySQL Enterprise Backup

Performance Schema

MySQL Enterprise Monitor

MySQL Query Cache

MySQL Enterprise Monitor provides graphical dashboards for real-time performance monitoring, including metrics on CPU, memory, I/O, and query performance, helping administrators to visualize and manage MySQL performance.

QUESTION 161
Which MySQL privilege grants a user the ability to create, modify, and delete stored routines (stored procedures or functions)?

EXECUTE

SUPER

CREATE ROUTINE

RELOAD

The CREATE ROUTINE privilege allows a user to create, modify, and drop stored procedures and stored functions within the database. Without this privilege, users cannot define new routines.

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