AES has become the widely adopted standard for secure encryption. Which of the following applications does it NOT directly protect?

Select one:

a$.$ Data storage on hard drives and other storage devices.

b$.$ Confidential data transmissions on the internet $($e$.$g$.,$ online banking, email$).$

c$.$ Digital rights management for protecting copyrighted content $($e$.$g$.,$ movies, music$).$

d$.$ Secure communication protocols in wireless networks $($e$.$g$.,$ Wi$-$Fi$).$