Question: What is excluded from the measurement of Maximum UL cell PDCP SDU bit-rate?
Option 1: Successful transmissions of user plane traffic
Option 2: Control signalling and retransmissions
Option 3: Packet switched traffic
Option 4: Circuit switched traffic
Explanation: The measurement of Maximum UL cell PDCP SDU bit-rate excludes control signalling and retransmissions, as it only represents successful transmissions of user plane traffic.