Question: What is the range of values that are standardized and defined for Dedicated Core Network ID (DCN-ID)?
Option 1: 0 to 127
Option 2: 128 to 65535
Option 3: 0 to 255
Option 4: 256 to 65535
Explanation: According to the specifications, values in the range of 0 to 127 are standardized and defined for Dedicated Core Network ID (DCN-ID), with specific values reserved for future use.