Obtaining executive support is the first step in developing an organization-wide strategy to address data privacy risk, as it ensures that the privacy program has the necessary resources, authority, and alignment with the organization's goals and objectives. Without executive support, the privacy program may face challenges in implementing and enforcing privacy policies, procedures, and controls across the organization. Reference: 2 Domain 1, Task 1

The best way for an organization to ensure its vendors are complying with data privacy requirements defined in their contracts is to obtain independent assessments of the vendors' data management processes, because this will provide an objective and reliable evaluation of the vendors' privacy practices, policies, and controls. Independent assessments can be performed by external auditors, consultants, or certification bodies that have the expertise and credibility to verify the vendors' compliance with the contractual obligations and expectations. Independent assessments can also help identify and address any privacy risks or gaps that may arise from the vendors' processing of personal data12.
Reference:
CDPSE Exam Content Outline, Domain 1 - Privacy Governance (Governance, Management & Risk Management), Task 7: Participate in the management and evaluation of contracts, service levels and practices of vendors and other external parties3.
CDPSE Review Manual, Chapter 1 - Privacy Governance, Section 1.4 - Third-Party Management4.

The availability of application data flow diagrams is the most significant factor that impacts an organization's ability to respond to data subject access requests. Data subject access requests are requests made by data subjects to exercise their rights under privacy laws or regulations, such as the right to access, rectify, erase, or port their personal data. To respond to these requests effectively and efficiently, the organization needs to have a clear and accurate understanding of how personal data is collected, processed, stored, shared, and disposed of within its applications and systems. Application data flow diagrams are graphical representations of the data lifecycle that show the sources, destinations, transformations, and dependencies of the data. Having these diagrams readily available helps the organization to locate, retrieve, modify, or delete the personal data in response to the data subject access requests. The other options are less significant or relevant than the availability of application data flow diagrams, as they do not directly affect the organization's ability to identify and access the personal data.

A private cloud is a cloud deployment model that provides exclusive access and control to a single organization or a specific group of users within the organization. A private cloud is best for an organization whose main objectives are to logically isolate personal data from other tenants and adopt custom privacy controls for the data, as it offers the highest level of security, privacy, and customization among the cloud deployment models. A private cloud allows the organization to implement its own privacy policies, standards, and procedures for the personal data, as well as to configure the cloud infrastructure, services, and applications according to its specific needs and preferences. A private cloud also reduces the risk of data breaches, unauthorized access, or co-mingling of data from other tenants, as the personal data is stored and processed in a dedicated and isolated environment.

Reference:
The best way for an IT privacy practitioner to ensure appropriate protection for personal data collected that is required to provide necessary services is to understand the data flows within the organization. Data flows are the paths or processes through which personal data moves within or outside the organization, from the point of collection to the point of disposal. Understanding the data flows helps to identify and analyze the privacy risks and impacts of data processing activities, such as data collection, storage, processing, sharing, and disposal. Understanding the data flows also helps to determine and apply the appropriate measures to protect personal data, such as data minimization, consent, access, rectification, erasure, portability, security, breach notification, etc. Understanding the data flows also helps to comply with the applicable privacy regulations and standards that govern data processing activities. Reference: : CDPSE Review Manual (Digital Version), page 97