Oracle MySQL 2021 Implementation Essentials - 1Z1-921

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

A) whitelisting and substitution
B) strict or relaxed masking
C) misspelling
D) dictionary substitution
E) random data substitution

2. Which statement adds a column with the largest integer data type?

A) ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
B) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
C) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
D) ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;

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

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

4. Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

A) authentication using SHA-256 password hashing
B) connections through the local host via the UNIX socket file
C) SECURID authentication and authorization identity
D) Simple Authentication and Security Layer
E) Native Windows services
F) authentication via Pluggable Authentication Modules (PAMs)

5. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) You cannot insert a single line, you have to replace the entire document with a new document.
B) Any new lines can only be inserted at the end of the document.
C) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
D) The path specified must be an array position past the end of an array using the JSON_POSITION statement.

Solutions: