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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question 1

You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

A. You can expect an outage of your MySQL OCI instance during the planned time..
B. Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
C. You need to agree to the maintenance windows. If not, you are not affected by the outage.
D. There are no maintenance operations planned. You need to do them manually.

Question 2

Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A. MySQL Audit and MySQL Workbench
B. MySQL Workbench and MySQL Enterprise Firewall
C. SQL Enterprise Monitor and MySQL Enterprise Authentication
D. MySQL Enterprise Monitor and MySQL Audit

Question 3

The MySQL Replication Environment (Master and Slave) is prepared.
What two are options for connecting a Java application to the MySQL Master and Slave?

A.

B.

C.

D.

Question 4

Which query will find rows in a table that have no counterpart in another table?

A. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
B. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
C. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
D. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;

Question 5

Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

A. Native Windows services
B. authentication using SHA-256 password hashing
C. authentication via Pluggable Authentication Modules (PAMs)
D. connections through the local host via the UNIX socket file
E. SECURID authentication and authorization identity
F. Simple Authentication and Security Layer

Solutions: