How many cron fields are there for specifying the time to execute a cron job? 06/14/2017 – by Mod_GuideK 0 How many cron fields are there for specifying the time to execute a cron job? A. 1 B. 3 C. 4 D. 5 E. 6 SHOW ANSWERSCorrect Answer: D Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.