Aditya Birla Capital Back Office Executive Interview Questions and Answers

Q1. Coin change problem
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Q1. System design of iot machine
Ans. 
Designing a system for IoT machines involves creating a network that allows devices to communicate and share data.
• Consider the communication protocols needed for devices to connect and exchange data

• Implement security measures to protect data and prevent unauthorized access

• Design a scalable architecture to handle a large number of devices and data

• Utilize cloud services for storage and processing of IoT data

• Include edge ...read more
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Linked list implementation

Q1. What are your education
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Q2. How many member in your family
Ans. 4th member in my family including me
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Q3. How many salary you want to take
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A hackerrank test was shared which had 2 ques to be solved in 60 min in Node.JS. The first one was a simple DS question related to arrays. The second ques was to write routes and controllers for a Node.JS Express app. The routes were GET /projects, GET /project/:id and GET /projects/active

Q1. What is the difference between package and package-lock.json?
Ans. 
package.json lists dependencies and package-lock.json ensures consistent installs.
• package.json lists all the dependencies required for the project

• package-lock.json ensures that the same versions of dependencies are installed across all environments

• package.json is manually edited while package-lock.json is generated automatically

• package-lock.json is used for reproducible builds
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Q2. Write a function that can keep a count of certain functions in our application.
Ans. 
Function to count certain functions in the application
• Create a dictionary to store the count of each function

• Increment the count of the function each time it is called

• Include a reset function to reset the count of all functions

• Example: def count_functions(): function_count = {}

• Example: def function1(): function_count['function1'] += 1

• Example: def reset_count(): function_count.clear()
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Q3. How can we make sure that package versions are taken from package-lock.json and not package.json
Ans. 
To ensure package versions are taken from package-lock.json, use npm ci instead of npm install.
• npm ci installs packages based on package-lock.json

• npm install may update package versions in package.json

• Always commit package-lock.json to version control
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Q4. Create an object and write a function inside it.
Ans. 
Creating an object with a function inside it.
• Create an object using object literal notation

• Define a function inside the object using function expression or declaration

• Access the function using object.method() syntax
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Q5. Given an array that has stock prices from morning till afternoon. Return the best buy and sell price to gain the max profit. For example, input -> [2,5,8,1,3,6,9,3,6], output -> [1,9]
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We all do our own work but what if someone needs your help after working hours, will you be able to help or neglect?

Come up with the new ideas while working on the old ones, explain that how you can introduce them gradually in the team and what are the benefits of doing so.