Questions based on my work experience mentioned in my resume were asked. Mainly questions were on SUM tool like how to launch it, what issues you have encountered till now. How to generate stack.xml file, what details it contains. What all user passwords you need for SUM tool. What are pre-requisite for Database refresh. Which script we run after kernel upgrade(saproot.sh) and What that script does. How do we do handle performance issues in Sap. What index rebuild does, why we update table statistics.