QUESTION $50$

Luis is troubleshooting a BYOD $($bring your own device$)$ for an internal employee. On further review within their iOS device, Luis notices a bootlegged application has been installed onto the device causing software harm to the employee's device.

Which of the following has allowed the user to install the illegal application onto their iOS device and has now violated BYOD policies?

a$.$ Rooting

b$.$ File$-$Level Backup

c$.$ Remote Wipe

d$.$ Jailbreaking