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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?

A) Cloud tape library
B) Cloud storage only
C) Both Cloud storage and local storage
D) Flash-archive recovery area

2. Which two are advantages of using Document Store in MySQL?

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

3. What SQL keyword must be specified when creating a foreign key constraint?

A) an index on the foreign key
B) the SET_FOREGIN variable in the my .cnf file
C) a TRIGGER on the child table for cascading delete statements
D) unique PRIMARY key values for both child and parent tables
E) a REFERENCES in the child table to the parent table

4. What are Security Lists in Oracle Cloud Infrastructure?

A) They contain rules established by HIPAA for securing end-user data.
B) They are user-role designations that assign rights to certain internal users and external users.
C) They allow administrators access to applications in the cloud and external servers.
D) They are essentially firewall rules that help control traffic between OCI instances.
E) Security lists are data encryption levels that control who can see the data.

5. Which activity will take place if a table is created with both the compression and encryption options?

A) The tablespace data is encrypted first and then compression is performed.
B) The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
C) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.
D) The compression is performed before tablespace data is encrypted.

Solutions: