Which format of Accounting and Statistics is only available on z/OS systems? 08/14/2019 – by Mod_GuideK 0 Which format of Accounting and Statistics is only available on z/OS systems? A. XML B. SMF C. JSON D. Usertrace SHOW ANSWERSCorrect Answer: B Explanation/Reference: Download Printable PDF. VALID exam to help you PASS.