Philips Software Developer I interview questions

First there was an assessment test which was quite easy very easy array and strings question once you finished they will take almost 1 week to respond back then there will interview with software engineer at philips which includes easy array strings and hash, data structures question they asked to explain different approaches and to write the code if you get selected there will be another round the hiring manger which includes behavioral questions and finally hr round

Explain why you'd use linked lists