How many fields are in a syntactically correct line of /etc/fstab? 06/14/2017 – by Mod_GuideK 0 How many fields are in a syntactically correct line of /etc/fstab? A. 3 B. 4 C. 5 D. 6 E. 7 SHOW ANSWERSCorrect Answer: D Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.