Explain how diffie-hellman key exchange, encryption, and authentication can be used to mitigate man-in-the-middle attacks. in what order must these operations be performed?

For the following example of making a peanut butter and jelly sandwich, identify which are inputs, processes, or outputs: bread scooping and spreading peanut butter plate scooping and spreading jelly finished sandwich putting two pieces of covered bread together dirty plate crumbs