Question: In a Policy and Charging Control (PCC) context, when a QoS rule cannot be installed/activated, which Experimental-Result-Code is used to report this error, providing affected QoS-Rules in the QoS-Rule-Report AVP?
Option 1: DIAMETER_PCC_RULE_EVENT (5142)
Option 2: DIAMETER_BEARER_EVENT (4142)
Option 3: DIAMETER_QOS_RULE_EVENT (5145)
Option 4: DIAMETER_PCC_BEARER_EVENT (4141)
Explanation: The correct answer is DIAMETER_QOS_RULE_EVENT (5145) because, according to the specified exceptions in PCC reference points for Gxx interfaces, this permanent Experimental-Result-Code is specifically used when QoS rules cannot be installed/activated. It provides detailed reporting on affected QoS-Rules through the QoS-Rule-Report AVP, including reasons and statuses, highlighting its relevance to QoS rule management issues.