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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question 1

The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:

You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?

A.

B.

C.

Question 2

Consider this SQL statement which is using the innoDB storage engine and with global AUTOCOMMIT = 1:

What is the result after issuing the rollback command?

A. Both the tables, t1 and t2, are created.
B. Only the t2 table is created.
C. Only the t1 table is created.
D. Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.

Question 3

How would you restrict a user Joe from accessing all MySQL database objects?

A. CREATE USER , joe,@1' %' DENY ALL PRIVILEGES
B. REVOKE ALL PRIVILEGES, GRANT OPTION FROM ,joe,@,%,;
C. Insert Joe,s name into the mysql.user_restriction cable, and issue the FLUSH PRIVILEGES command.
D. CREATE USER ,joe'@,0.0.0.0, SET Password=PASSWORD(,% ! %,)
E. UPDATE mysql.user SET Password=PASSWORD(,Invalid,) WHERE User=,joe';

Question 4

MySQL is installed on a Linux server with the configuration:
Which two methods can change the default options to use the authentication plug-in that implements SHA-256 hashing for user account passwords?

A. Create user by using CREATE USER 'newuser' @'localhost' SET PASSWORD AS 'Sh@256Pa33';
B. Create user by using CREATE USER 'newuser'@'localhost' IDENTIFIED WITH 'Sh@256Pa33';
C. Add default_authentication_plugin=sha256_password under [mysqld] in the configuration file.
D. Add --default_authentication_plugin=sha256_password on the command line when you invoke the server.

Question 5

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 public key
D. The opc user
E. SSH private key
F. Public IP address

Solutions: