Question: What layer provides RRC confidentiality protection between UE (User Equipment) and gNB (gNodeB)?
Option 1: PDCP (Packet Data Convergence Protocol) layer
Option 2: RLC (Radio Link Control) layer
Option 3: MAC (Media Access Control) layer
Option 4: PHY (Physical) layer
Explanation: The PDCP layer is responsible for providing RRC confidentiality protection between UE and gNB, as it encrypts the data to ensure secure transmission.