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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. Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

A) You must have an IPSec VPN to connect to an Oracle Linux instance.
B) You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
C) You can connect directly to the VCN without a define subnet.
D) You can connect directly to an instance over the internet, without a public IP address.
E) Your instance does not have a public IP address, so you cannot connect with a public subnet.

3. Which activity will take place if a table is created with both the compression and encryption options?

A) The tablespace data is encrypted first and then compression is performed.
B) The compression is performed before tablespace data is encrypted.
C) The system generates an error because the COMPRESSION and ENCRYPTION options cannot be used together.
D) The compression is performed, the ''data_at_rest_flag" is turned on and the tablespace data is encrypted.

4. Which Oracle product is certified to work with MySQL Enterprise Edition?

A) Oracle Enterprise Manager
B) Oracle Enterprise Backup
C) Oracle Application Express
D) Oracle Data Pump

5. Which three options are valid reasons for using a primary key in a table?

A) to make it easier to change the PRIMARY KEY value
B) exporting data faster with mysqldump
C) increasing performance when using select statements
D) maintaining a history of row insertions or updates
E) preventing duplicate keys
F) automatic storage of data in a sorted order

Solutions: