Question: In E-UTRA, what is the maximum time allowed for a User Equipment (UE) to finish transmitting all repetitions of the Physical Random Access Channel (PRACH) to Cell 2 after starting the handover process, ensuring compliance with the specified handover delay components?
Option 1: Less than 2000ms from the beginning of the handover process
Option 2: Exactly 2560ms plus additional processing time from the start of T3
Option 3: Less than 2610ms from the beginning of time period T3
Option 4: More than 3000ms after initiating the handover to account for potential delays
Explanation: This option correctly reflects the requirement that the UE must complete PRACH transmissions to Cell 2 within a specific timeframe (less than 2610ms) from the start of T3, aligning with efficient handovers while meeting E-UTRA standards for radio resource management.