React, Redux, Axios, Security questions, CSS

1. He asked to introduce myself and projects i have worked on 2. He asked me in depth about my projects and what i did to contribute in those project 3. He asked me about promises, synchronous, asynchronous nature 4. const arr = ["Delhi","Gurgaon","Pune","Agra","Meerut","Mumbai","Dehdradoon","Delhi","Pune","Kota"] OutPut : Delhi : 2 Gurgaon : 1 Pune : 2 , find number of occurence in the array 5. gave an api url and asked me to integrate the api, fetch the data , display certain names in line with each having delete button on right and on click it should delete the name