Oracle 1Z0-921 : MySQL 2021 Implementation Essentials

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Oracle 1Z0-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which is a correct example of creating an Enterprise Encryption function?

A) INSERT INTO t1 (key_co1) FUNCTION(CREATE_ASYMMETRIC_PRIV_KEY(,RSA,, 1024));
B) VALIDATE FUNCTION create_asymmetric_priv_key WITH ,openssl_udf.so';
C) CREATE FUNCTION asymmetric_decrypt RETURNS STRING SONAME ,openss1_udf.so,;
D) SET @function = CREATE_ASYMMETRIC_PRIV_KEY(@algo, @key_len);

2. You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img

You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?

A)

B)

C)

D)

E)

3. 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.

4. What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

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

5. When using an Oracle Cloud Infrastructure Compute Instance with MySQL Enterprise Edition installed, you have two choices for backup destinations. What are these two choices?

A) Cloud tape library
B) Both Cloud storage and local storage
C) Cloud storage only
D) Flash-archive recovery area

Solutions: