Question: In the context of (U)SIM Application Programming Interface (API), what is the primary requirement for the `Void main(void)` entry point in terms of conformance?
Option 1: It must successfully execute with a null application, i.e., `main(){}`.
Option 2: It should only be invoked with specific parameters to prevent context errors.
Option 3: Its implementation is optional and can vary based on the (U)SIM vendor.
Option 4: It is not necessary for the entry point to adhere strictly to its API definition.
Explanation: The correct answer highlights that the primary conformance requirement for the `Void main(void)` entry point is to successfully execute even with a minimal or null application (`main(){}`), ensuring basic functionality and adherence to the API's specifications, crucial for interoperability and predictable behavior across different (U)SIM implementations.