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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question 1

By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A. You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
B. It allows backup to be done on the slave without impacting the master.
C. MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
D. It provides multi-master access where the application can write and read data across the database servers.
E. MySQL Enterprise Backup will back up from Slave automatically.

Question 2

You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A. --uncompress-and-apply-log
B. --uncompress
C. --apply-log-and-copy-back
D. --decompress
E. --copy-back-and-apply-log

Question 3

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

Question 4

You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A. Use the provided private key for authentication.
B. Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
C. Open Port 22 on your OCI Instance and configure Putty with the ssh private key.
D. Convert the private key to ppk format first and use the new private key for authentication.

Question 5

You execute this statement:
SELECT NULL=NULL;
What is the result?

A. FALSE
B. 1
C. TRUE
D. 0
E. NULL

Solutions: