Key points

• PrivateLink provides private IP access to supported services or endpoint services from a VPC.
• Endpoint policies, service-side authorization, DNS, routing, and security groups remain separate layers.

Best-known use cases

• Access supported AWS data services privately from a VPC.
• Publish internal data endpoints across VPCs without internet exposure.

What candidates often confuse it with

• PrivateLink changes the network path; IAM or service permissions still decide whether the caller may use the resource.

Key takeaway

Choose PrivateLink when supported data services or internal endpoints must be reached without public internet exposure.

Relevant exam tasks

• D4.1 — Task 4.1: Apply authentication mechanisms
• 4.1.5 — Apply IAM policies to roles, endpoints, and services (for example, S3 Access Points, AWS PrivateLink).

Learn more

• DEA-C01 in-scope services
• DEA-C01 Domain 4: Data Security and Governance