Question: What is the primary purpose of allocating the EFARPK (Administrator Root Public Key) file on a SIM?
Option 1: To store multiple certificates for diverse administrative roles.
Option 2: To enable the SIM issuer to control Third Party certificates on the terminal using a centralized key.
Option 3: For general storage of public keys not specific to administrative functions.
Option 4: To facilitate direct communication between the SIM and external servers.
Explanation: The correct answer reflects the intent for EFARPK: to allow the SIM issuer to manage (control) Third Party certificates on the terminal through an Administrator Root Public Key stored on the SIM, highlighting a nuanced understanding of SIM-based access control in telecom networks.