Question: What is the primary purpose of the Subscribe_HDMapDynamicInfo service operation in V2X Application Enabler (VAE) Services?
Option 1: To unsubscribe from static map updates for connected vehicles.
Option 2: To request a one-time download of high-definition (HD) map data for a specific geographic area.
Option 3: To manage the lifecycle of Vehicle-to-Everything (V2X) application permissions.
Option 4: To subscribe to dynamic information updates for High-Definition (HD) maps, enabling real-time awareness for V2X applications.
Explanation: The correct answer is Option 4 because the Subscribe_HDMapDynamicInfo service operation is specifically designed to keep subscribers informed about changes or updates in HD map dynamic information. This is crucial for V2X (Vehicle-to-Everything) applications, which rely on up-to-date and precise environmental data to function effectively, ensuring safety and efficiency in various vehicular and infrastructure interactions.