1.how to create content catalog? 2.how to create cron job? 3.what is use of attribute level autocreate=true 4.suppose I want remove one product write impex for that? 5.i want fetch one product write flexible search query? 6. what is the use of converter? 7.difference between @Controller and @Restcontroller 8. have you knowledge on groovy script? 9.what is smart edit? 10. we have already so many components in OOTB why do you create custom component? 11. what is the use of WCMS 12. if you create a page how will you showing in WCMS?