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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two statements are true about MySQL Enterprise Authentication?

A) MySQL Enterprise Authentication supports Windows Active Directory.
B) MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..
C) MySQL Enterprise Authentication determines what operation the user can perform.
D) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
E) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.

2. Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

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

3. You want to change the default behavior of MySQL Enterprise Monitor (MEM). New instances detected by a MEM agent should automatically monitor discovered instances.
How can you change the Advisor Setting?

A) Go to the configuration section (Advisors) and create a new advisor rule for new MySQL instances based on the MySQL Advisor Wizard.
B) Go to the configuration section (Users) and create a new user according to the existing users of your new MySQL instances.
C) Go to the configuration section (MEM) and configure the default login credentials.
D) Go to the configuration section (Advisors) and edit the default settings of the MySQL Process Discovery according to the existing users of your new MySQL instances.

4. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A) isolated machine resources
B) Networks must be in separate regions.
C) use SSD,s for data and replication logs
D) Use Network-attached storage (NAS) for the data files.
E) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
F) The number of machines per group must be 3, 5, 7 or 9.
G) Groups must be in even numbers; 2, 4, 6, 8.

5. 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)

Solutions: