Which process is used to protect transmitted data in a VPN$?($LO $8\mathrm{.}1,8\mathrm{.}2,8\mathrm{.}3,8\mathrm{.}4,8\mathrm{.}5,8\mathrm{.}6)$

Group of answer choices

tunneling

PPP

VOIP

packet$-$switching

chaining