i. 2 output based question on js evenloops consisting of promise.nexttick, settimeout, setimmediate, regular promise call. ii. error handling in react and nodejs iii. diff between nestjs and nodejs iv. how can we reduce LCP in react v. how fetch api is diff in nextjs vi. can we use nextjs for creating backend apis vii. diff ISR, SSR what diff tags can we pass viii. error boundaries in react ix. cluster module and worker threads x. indexing and their drawbacks xi. trigger functions and stored procedures in sql xii. aggregation pipelines in mongodb xiii. security best practices in nodejs xiv. error handing best practices in nodejs