Which of the following statements are correct when applied to the Internet Server Application Programming Interface $($ISAPI$)$ filters in IIS?

ISAPIs are implemented as $.$ exe files.

ISAPIs consist of a single "filters" component.

ISAPIs can be configured at the server level and at the site level.

ISAPls can access only the header of the request and not the body of the request.

ISAPIs are event$-$driven.