Question: For a UE (User Equipment) to send an `ULInformationTransfer` message with only `dedicatedInfoF1c` included, which Signalling Radio Bearer (SRB) must be utilized, assuming SRB2 is established?
Option 1: SRB1
Option 2: SRB2
Option 3: Either SRB1 or SRB2 can be used interchangeably
Option 4: No SRB is required for this specific information transfer
Explanation: According to the specifications, if only `dedicatedInfoF1c` is included in the `ULInformationTransfer` message, then SRB2 must be used. This indicates a specific handling requirement when this particular type of information is being transferred, highlighting the importance of using the correct bearer for efficient and standardized communication between the UE and the network.