Oracle 1Z0-921 : MySQL 2021 Implementation Essentials

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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

Question #1
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. Convert the private key to ppk format first and use the new 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. Use the provided private key for authentication.
D. Open Port 22 on your OCI Instance and configure Putty with the ssh private key.

Question #2
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 #3
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A. Data is encrypted automatically, in real time, after it is written to storage.
B. Encryption key is stored in a centralized key memory location
C. Enables data-at-rest encryption by encrypting the physical files of the database.
D. Tablespace keys are managed manually behind the scenes.

Question #4
You need to change the password level for a test system.
Which two allow to change this level before you create new test user/passwords?

A. SET GLOBAL force_password_complex_policy=0;
B. Add validate_password=,new level, in the [security] section of the MySQL configuration file.
C. Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.
D. SET GLOBAL validate_password_policy=,new level,;

Question #5
Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A. Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
B. Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.
C. Increasing the storage capacity so that the database can store more data to scale.
D. Allocating more CPU to the database instance to improve throughput performance.
E. Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.

Solutions: