Question: In a USIM's EFACDC_OS_CONFIG (ACDC OS configuration) file, what is the purpose of the "ACDC Category" field as defined by 3GPP specifications?
Option 1: To specify the version of the Operating System (OS) installed on the Mobile Equipment (ME)
Option 2: To indicate the memory allocation for the ACDC application on the USIM
Option 3: To identify the type of cryptographic algorithm used by the ACDC application
Option 4: To signify the category to which the identified ACDC application belongs, as per the ACDCCategory leaf in relevant specifications
Explanation: The correct answer is Option 4 because, according to the provided context from 3GPP TS specifications, the "ACDC Category" field within the EFACDC_OS_CONFIG file is specifically designed to indicate the category of the identified ACDC application. This aligns with how categories are used in telecom standards for organizing and managing different types of applications based on their functionalities or services offered, facilitating efficient configuration and management within the USIM and ME ecosystem.