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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question 1

Which two are advantages of using Document Store in MySQL?

A. MySQL can store XML as a schema-less database
B. MySQL provides a native data type to index PDF documents
C. MySQL provides a NoSQL API to access the document store
D. MySQL provides a native data type to store JSON data as a document
E. MySQL is a document database allowing PDF and Word documents

Question 2

Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

A. You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
B. You can connect directly to an instance over the internet, without a public IP address.
C. Your instance does not have a public IP address, so you cannot connect with a public subnet.
D. You must have an IPSec VPN to connect to an Oracle Linux instance.
E. You can connect directly to the VCN without a define subnet.

Question 3

Which three are levels in which MySQL Enterprise Monitor provides access control?

A. MySQL Enterprise Operations: the right to deploy the necessary MySQL Enterprise Agent
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. MySQL Enterprise Operations: the right to start/stop/restart/update MySQL Enterprise Monitor Services
E. Specific data access: the rights to view specific types of potentially sensitive data

Question 4

Which of the following statements is true regarding MySQL user account privileges?
Response:

A. The GRANT option allows a user to revoke privileges from other users.
B. The RELOAD privilege allows a user to delete data from a table.
C. A user with the SUPER privilege can only read data from the database.
D. The USAGE privilege allows a user to connect to the MySQL server but grants no other privileges.

Question 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: