Which of the following is a file system filter driver? 07/26/2017 – by Mod_GuideK 0 Which of the following is a file system filter driver? A. Mfeapfk.sys B. Mfeavfk.sys C. Mfebopk.sys D. Mfehidk.sys SHOW ANSWERSCorrect Answer: B Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.