is what you are tasked to work out on one VPN tunnel terminator$-$IOS router.

Original IP packet:

$\backslash$table$[[$IP Header,Data$]]$

VPN tunnel IP packet:

$\backslash$table$[[\backslash$table$[[$IP$],[$Header$]],\backslash$table$[[$ESP$],[$Header$]],$Data,$\backslash$table$[[$ESP$],[$Trailer$]],\backslash$table$[[$ESP$],[$Auth$]]],[,,,,]]$

Which of the following is true regarding this VPN$?$

Tunnel mode with ESP

Tunnel mode with AH

Transport mode with AH and ESP

Transport mode with ESP