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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three statements describe MySQL Enterprise Backup?

A) MySQL Enterprise Backup provides the point-in-time recovery functionality.
B) MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
C) MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
D) MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
E) MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.

2. You want to create the user named jenny for any host server with the password secretpassi23! and the password is expired? Which command should you use?

A) CREATE USER ,jenny,@'%, WITH HASHED(password,,SecretPass123!,), PASSWORD EXPIRE
B) CREATE USER ,jenny,0,%t IDENTIFIED BY ,SecretPass123!, PASSWORD EXPIRE;
C) CREATE USER ,jenny,@,localhost, IDENTIFIED BY (,SecretPass123!,,,256,, Expired)
D) CREATE USER ,jenny,@,%, IDENTIFIED WITH sha256_password BY 'SecretPass123!,;
E) CREATE USER ,jenny *@,localhost, IDENTIFIED WITH HASH PASSWORD(,SecretPass123!,)

3. You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A) --copy-back-and-apply-log
B) --decompress
C) --apply-log-and-copy-back
D) --uncompress-and-apply-log
E) --uncompress

4. Which statement is used to create a new MySQL database?
Response:

A) NEW DATABASE
B) CREATE DATABASE
C) CREATE TABLE
D) CREATE SCHEMA

5. Which two deployment architectures could you use for scaling-out database reads?

A) Altering the storage engine for all tables to memory to increase performance.
B) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
C) Edit the configuration file and increase the value for parallel_read_workers and reboot the server
D) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
E) Implementing a three-node, single-primary InnoDB Cluster.

Solutions: