Question

The entirety of a packet at one layer becoming the payload section at another layer is known as

Answer 1

The best answer to this question would be encapsulation

Payload data is part of a packet that is within a TCP or a UDP. It is the actual or essential data that is being carried within a packet. For instance, a layer 2 Frame has a payload of a layer 3 packet and a layer packet has a payload of layer 4 Segment. This simply can be called encapsulation. Each layer in the examples mentioned builds a PDU by adding a header containing control information to the PDU.  

Answer 2

Answer:

The entirety of a packet at one Layer becoming the payload section at another is know as Encapsulation

Explanation:

Encapsulation can be defined  as a strategy for planning secluded correspondence conventions in which sensibly separate capacities in the system are disconnected from their basic structures by incorporation or data covering up inside more elevated amount objects.