Question: What is a key capability of a Roaming Services Provider (RSP) in the 5G system, as per service requirements, when managing roaming agreements between two or more Public Land Mobile Networks (PLMNs)?
Option 1: To exclusively manage bilateral direct relationships without supporting multiple roaming partners.
Option 2: To only accept registration attempts on behalf of the home PLMN.
Option 3: To modify messages without contractual agreement, enhancing security protocols.
Option 4: To accept or reject registration attempts based on roaming agreements, on behalf of both the home and visited PLMNs.
Explanation: This option correctly highlights a crucial function of an RSP in the 5G system - the ability to manage registration attempts based on predefined agreements for both the home and visited networks. This capability ensures seamless and secure roaming services while respecting the privacy and security requirements between PLMNs.