Oracle Oracle MySQL 1Z1-921

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Oracle 1Z1-921 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
What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

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

Question #3
Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A. Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.
B. Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
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.

Question #4
Which three are requirements for MySQL Group Replication (GR)?

A. The binary log format must be set to mixed.
B. The minimum number of required nodes for achieving a consensus is two.
C. Primary keys are required on every replicated table.
D. GR only works with MySQL versions 8.0.12 or higher.
E. The use of global transaction identifiers is required.
F. Data to be replicated must be stored in the InnoDB transactional storage engine.

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 opc user
B. The root user
C. User Password
D. Public IP address
E. SSH private key
F. SSH public key

Solutions: