ElasticRun interview questions

About you, profile,product knowledge,FMCG, technology, wearhousig etc etc etc

Introduction Explain your project. Explain front end backend connection. Write the folder structure of backend and front end of your project and explain what you wrote in that folder. Write the logic of login. How is the password stored in the database? Explain encryption, decryption. Explain hashing. Explain the difference between encryption decryption and hashing. Write the code for two sum problem and three sum problem. Explain multithreading, multiprocessing. What is the difference between parallel processing and multi threading? Explain the difference between for and iterator. Explain me the use of an iterator. Explain lamda function. Write a simple code using the lambda function. What is list comprehension, dictionary comprehension? Explain oops concept and pillars with example. Tell me 10 tags of html/ js. What is a component? Have you deployed your project? Explain AWS services. You have provided an array of daily rate prices of the stock market of the previous month. Write a code to find on which day we should buy and sell the stock. Find the top 10 values from the order table having order id, order value, type whose order value is greater than 1000 and descending order by type.