What is the purpose of TCP wrappers?

A.
To monitor requests for certain ports and control access to sensitive files

B.
To monitor requests for certain services and control access to password files

C.
To monitor requests for certain services and control access to those services

D.
To monitor requests to system files and ensure they are not modified

Explanation:
C: This is a technology that wraps the different services available on a system. What this means is that if a remote user makes a request to access a service, this product will intercept this request and determine whether it is valid and legal before allowing the interaction to take place.