Question: What state does a UE enter when it is not registered and is in 3GPP access, according to the 5GMM and EMM states?
Option 1: 5GMM-REGISTERED.NORMAL-SERVICE
Option 2: EMM-DEREGISTERED and 5GMM-DEREGISTERED
Option 3: EMM-REGISTERED.NO-CELL-AVAILABLE
Option 4: 5GMM-REGISTERED.NON-ALLOWED-SERVICE
Explanation: According to the text, when a UE is not registered, it shall be in state EMM-DEREGISTERED and state 5GMM-DEREGISTERED for 3GPP access. This indicates that both EMM and 5GMM states are in a deregistered state when the UE is not registered.