Exam Name: MySQL 2021 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle MySQL
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Oracle 1Z0-921 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Leverage MySQL Backup | - Backup and Recovery
|
| Topic 2: Leverage MySQL Enterprise Monitor | - Enterprise Monitor Features
|
| Topic 3: Database Design | - Database Objects and SQL
|
| Topic 4: High Availability and Replication | - Replication and Scalability
|
| Topic 5: Oracle MySQL Enterprise Product Suite | - Enterprise Edition and Community/Standard Edition
|
| Topic 6: MySQL Database Service and HeatWave | - Cloud Database Services
|
| Topic 7: MySQL Kubernetes | - Kubernetes Operations
|
| Topic 8: MySQL Security | - Security Management
|
| Topic 9: Installation and Architecture | - MySQL Infrastructure Architecture
|
Oracle MySQL 2021 Implementation Essentials Sample Questions:
Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?
- A. Your instance does not have a public IP address, so you cannot connect with a public subnet.
- B. You must have an IPSec VPN to connect to an Oracle Linux instance.
- C. You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
- D. You can connect directly to an instance over the internet, without a public IP address.
- E. You can connect directly to the VCN without a define subnet.
Correct Answer: D,E 🗳️
Which statement will display the status of the partitioning plug-in?
- A. SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
- B. USE SYS SCHEMA; SHOW PLUGINS STATUS;
- C. SHOW PLUGINS WHERE Name= 'partition';
- D. SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
Correct Answer: D 🗳️
Which statement adds a column with the largest integer data type?
- A. ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
- B. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
- C. ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
- D. ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
Correct Answer: D 🗳️
Which three components can MySQL InnoDB Cluster use to Achieve database high availability?
- A. MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
- B. MySQL Router to ensure client requests are load balanced and routed to the correct servers.
- C. MySQL Online Hot Backup to keep data consistent and always ready to be used.
- D. MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
- E. MySQL Servers with Group Replication to replicate data to all members of the cluster.
Correct Answer: B,D,E 🗳️
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?
- A. 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.
- B. Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
- C. 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.
- D. 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.
Correct Answer: C 🗳️
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