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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

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

2. Which two are advantages of using Document Store in MySQL?

A) MySQL provides a native data type to store JSON data as a document
B) MySQL provides a native data type to index PDF documents
C) MySQL provides a NoSQL API to access the document store
D) MySQL is a document database allowing PDF and Word documents
E) MySQL can store XML as a schema-less database

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

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

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

5. Which two methods help prevent MySQL security risks?

A) Grant only permissions that a user requires.
B) Use a firewall to control access to MySQL ports.
C) Transmit plain (unencrypted) data over networks.
D) Allow unauthorized clients to connect to the server.
E) Ensure that MySQL accounts have short and easy passwords.
F) Use the secure installation script "mysql_alays_secure_installation".

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