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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: MySQL Security | - Security Management
|
| Topic 2: MySQL Database Service and HeatWave | - Cloud Database Services
|
| Topic 3: Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
| Topic 4: Database Design | - Database Objects and SQL
|
| Topic 5: High Availability and Replication | - Replication and Scalability
|
| Topic 6: MySQL Kubernetes | - Kubernetes Operations
|
| Topic 7: Leverage MySQL Backup | - Backup and Recovery
|
| Topic 8: Installation and Architecture | - MySQL Infrastructure Architecture
|
| Topic 9: Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Question 1
Which three are levels in which MySQL Enterprise Monitor provides access control?
A. MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
B. Application administration: the rights to view or change the MySQL Enterprise Monitor configuration
C. Asset visibility: the rights to access data collected from hosts or MySQL instances
D. Specific data access: the rights to view specific types of potentially sensitive data
E. MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
Question 2
Which two deployment architectures could you use for scaling-out database reads?
A. Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
B. Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
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.
Question 3
You have created your Compute instance using an Oracle-provided Oracle Linux image.
You want to log in to your OCI Compute instance using SSH. Which three items do you need for this process?
A. The root user
B. User Password
C. SSH private key
D. Public IP address
E. SSH public key
F. The opc user
Question 4
How does MySQL HeatWave improve query performance?
Response:
A. By offloading analytics queries to an in-memory, highly parallel processing engine.
B. By replicating data across multiple servers.
C. By caching the entire database in memory.
D. By automatically creating indexes on frequently used columns.
Question 5
Which two are advantages of using Document Store in MySQL?
A. MySQL provides a native data type to store JSON data as a document
B. MySQL provides a NoSQL API to access the document store
C. MySQL can store XML as a schema-less database
D. MySQL is a document database allowing PDF and Word documents
E. MySQL provides a native data type to index PDF documents
Solutions:
| Question 1 Answer: B,C,D | Question 2 Answer: D,E | Question 3 Answer: F | Question 4 Answer: A | Question 5 Answer: B,C |
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