What refers to the protocolâ s ability to ensure that data hasnâ t been modified in any way?
confidentiality
integrity
authentication
auditing

Option (b) Integrity

Explanation:

Data Integrity refers to the data which is not modified over the process, system.Data Integrity here refers to which is not corrupted over the system in any way.Throughout the life cycle of the process, system the data is intact and can be trusted for the future use.So, option (b) Integrity is the correct option.Option (a) Confidentiality means the data that is kept secret, private but that doesn't mean it is not modified. So, option (a) confidentiality is wrong option.Option (c) Authentication means the user is authenticated to use the data. It means the user has access to the data or not.So, option (c) is wrong option.Option (d) Auditing means to examine, inspect a thing to find it fit for a purpose. Here, data auditing means verifying, inspecting,assessing the quality of data for a process.So, option (d) is wrong option.

First he should verify if he knows the prep person or people to make it is safe, because people can track your information about who and where you are. good luck.