How many file systems are present in a 20-node Isilon X200 cluster? 06/02/2017 – by Mod_GuideK 0 How many file systems are present in a 20-node Isilon X200 cluster? A. 1 B. 2 C. 3 D. 4 SHOW ANSWERSCorrect Answer: A Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.