. What is axios and why we use it in REACT instead of jQuery? 3. What is JOI and what are its usages in web development? 4. What is mongoose? and why we prefer to use it in NODE instead of default mongo db provider? 5. What are development environments? List down at least three different environments? 6. Explain in detail why REACTs performance is better than jQuery. Model an example to demonstrate your argument. 7. Assume you are using jQuery write pseudo codes of two methods named login and signup to send AJAX requests to Express End points to carry out both procedures. Use console log method for error reporting. 8. In which format passwords should be stored in database. 9. Using Query where will you save the token for future requests? 10. What is Model, View, Controller Architecture? Draw its architectural diagram. Is EXPRESS which code plays the role of each component. 11. What is a middleware in express framework? What is its role and why we use them?