DA0-001 Dumps With Exact Questions and Answers

Comprehensive and Detailed In-Depth Explanation:

Personally Identifiable Information (PII) refers to any data that can be used to identify a specific individual. To comply with privacy policies, it's crucial to mask such information to protect individual privacy.

Option A:Government-issued ID

Rationale:Government-issued IDs (e.g., Social Security numbers, driver's license numbers) are direct identifiers and are considered sensitive PII. Masking this information prevents unauthorized access to critical personal data.

Option B:Address

Rationale:An individual's address is also considered PII, as it can be used to locate and identify a person. Masking addresses helps in protecting personal location information.

Option C:Order ID

Rationale:An order ID is typically a unique identifier for a transaction and does not directly identify an individual.

Option D:Order date

Rationale:The date of an order does not constitute PII, as it doesn't provide information that can identify a person.

Concatenation is primarily used to combine columns of data. It is a function commonly used in data manipulation to merge strings or numerical values from two or more columns into a single column. This is especially useful in data cleaning and transformation tasks where information from multiple fields needs to be represented together in a single field, such as merging first names and last names into a full name.

Comprehensive and Detailed In-Depth Explanation:

Access control is a critical aspect of database security. The best method for controllingwho can access financial databased onjob rolesisRole-Based Access Control (RBAC).

Option A (Role-based):Correct.RBAC assigns permissions based on a user’s role within the organization (e.g., accountants can access financial data, but sales representatives cannot).

Option B (Rule-based):Incorrect. Rule-Based Access Control (RuBAC) enforces policies based on rules, such as time restrictions, rather than user roles.

Option C (Discretionary):Incorrect. Discretionary Access Control (DAC) allows individual users to grant permissions, which can lead to security risks in financial systems.

Option D (Group-based):Incorrect. Group-Based Access Control (GBAC) assigns permissions based on user groups, but RBAC provides finer control for financial functions.