Oye Rickshaw Senior Business Analyst Interview Questions and Answers

Q1. How can we improve the performance of a Front End System
Ans. 
Improving Front End System Performance
• Optimize images and reduce their size

• Minimize HTTP requests and use caching

• Use lazy loading for images and videos

• Reduce the number of DOM elements

• Use a Content Delivery Network (CDN)

• Minimize the use of external scripts and plugins

• Use asynchronous loading for scripts

• Optimize CSS and JavaScript files

• Use browser caching

• Implement server-side rendering
Answered by AI
Add your answer
Q2. What is Event Loop and give an example on how it works.
Ans. 
Event Loop is a mechanism that allows JavaScript to handle multiple tasks simultaneously.
• Event Loop is a part of JavaScript runtime that continuously checks the call stack and the task queue.

• It prioritizes the tasks in the queue and pushes them to the call stack when it's empty.

• This allows JavaScript to handle I/O operations and other asynchronous tasks without blocking the main thread.

• Example: setTimeout() function ad...read more
Answered by AI
Add your answer

SQL, excel, tableau , looker studio

Q1. What is your notice period.
Add your answer

Q1. Program for a palindrome Number.
Ans. 
Program to check if a number is a palindrome.
• Convert the number to a string to easily check for palindrome

• Reverse the string and compare it with the original string

• If they are the same, the number is a palindrome
Answered by AI
Add your answer
Q2. React Lifecycle methods
Add your answer
Q3. Hooks in react?
Ans. 
Hooks are a feature in React that allow you to use state and other React features in functional components.
• Hooks were introduced in React 16.8.

• They allow you to use state and other React features without writing a class.

• Commonly used hooks include useState, useEffect, useContext, and useReducer.

• Hooks must be used at the top level of your functional component.

• Example: const [count, setCount] = useState(0);
Answered by AI
Add your answer

Q1. Create a High-level design
Ans. 
Design a high-level architecture for a software system
• Identify the main components of the system

• Define the interactions between the components

• Consider scalability, security, and performance

• Choose appropriate technologies and frameworks

• Create a diagram to visualize the architecture
Answered by AI
Add your answer
Q2. Questions on the design you created
Add your answer

Q1. Delete nth node from end in linked list
Ans. 
To delete the nth node from the end in a linked list, we can use a two-pointer approach.
• Use two pointers, one to traverse the list and another to keep track of the nth node from the end.

• Move the second pointer n steps ahead of the first pointer.

• When the second pointer reaches the end of the list, the first pointer will be at the nth node from the end.

• Adjust the pointers to delete the nth node.
Answered by AI
Add your answer
Q2. Project discussion
Add your answer

Was asked about a case study regarding cost and profit, interviewer was observing my logical thinking and approach towards the problem.
Basically they'll check if you are covering all aspects or not.

SQL easy to medium level