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Oracle 1Z1-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Database Design | - Database Objects and SQL
|
| Topic 2: Leverage MySQL Backup | - Backup and Recovery
|
| Topic 3: MySQL Security | - Security Management
|
| Topic 4: Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
| Topic 5: MySQL Database Service and HeatWave | - Cloud Database Services
|
| Topic 6: High Availability and Replication | - Replication and Scalability
|
| Topic 7: Installation and Architecture | - MySQL Infrastructure Architecture
|
| Topic 8: MySQL Kubernetes | - Kubernetes Operations
|
| Topic 9: Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Which two deployment architectures could you use for scaling-out database reads?
A) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
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) Implementing a three-node, single-primary InnoDB Cluster.
E) Altering the storage engine for all tables to memory to increase performance.
2. You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img
You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?
A)
B)
C)
D)
E) 
3. Which statement is used to create a new MySQL database?
Response:
A) CREATE DATABASE
B) CREATE TABLE
C) CREATE SCHEMA
D) NEW DATABASE
4. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?
A) The number of machines per group must be 3, 5, 7 or 9.
B) isolated machine resources
C) Networks must be in separate regions.
D) Groups must be in even numbers; 2, 4, 6, 8.
E) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
F) Use Network-attached storage (NAS) for the data files.
G) use SSD,s for data and replication logs
5. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?
A) MySQL Enterprise Data Masking and De-identification
B) MySQL Enterprise No-Login Authentication
C) MySQL Enterprise Transparent Data Encryption (TDE)
D) MySQL Enterprise Scalability
E) MySQL Enterprise Audit
Solutions:
| Question # 1 Answer: D,E | Question # 2 Answer: B | Question # 3 Answer: A | Question # 4 Answer: A,D,F | Question # 5 Answer: A |





