Question: What is the maximum number of Subscribed S-NSSAIs that the UDM can send to the AMF?
Option 1: 8
Option 2: 16
Option 3: 32
Option 4: Unlimited
Explanation: According to the text, The UDM sends at most 16 Subscribed S-NSSAIs to AMF, i.e. the number that can fit in a Configured NSSAI.