VAP Group Senior HR Executive Interview Questions and Answers for Experienced

Easy leetcode data structure question

Q1. Write working code for calling a rest API, design rate limiter
Ans. 
Code for calling a REST API and designing a rate limiter
• Use a library like requests or axios to make the API call

• Implement a token bucket algorithm for rate limiting

• Set a maximum number of requests per second and queue excess requests

• Consider using a distributed rate limiter for scalability
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Q1. Design Database schema for instagram
Ans. 
Design a database schema for Instagram.
• Create tables for users, posts, comments, likes, and follows.

• Use primary and foreign keys to establish relationships between tables.

• Store user data such as username, email, and password securely.

• Include fields for post content, location, and timestamp.

• Track likes and comments on posts.

• Implement a notification system for follows and likes.

• Consider scalability and performance in the...read more
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Q1. Basic SQL related- had to write 2 queries with basic joins.
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Q2. Questions related to past experience
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Q3. Drill down of 2 projects.
Ans. 
Managed project to implement new inventory system and led team in redesigning customer service process.
• Implemented new inventory system to streamline operations

• Led team in redesigning customer service process to improve efficiency

• Successfully managed project timelines and budgets

• Collaborated with cross-functional teams to ensure project success
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Q1. Questions on vlook up, h-look up, pivot and if else condition
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Q2. You must know how to use vlook up, h-look up and if-else condition
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Excel file was give, used sumifs, countifs , index match formulas

Q1. What is invoke controller?
Ans. 
Invoke controller is a component in a software application that manages the flow of requests and responses between the user interface and the backend services.
• Manages the communication between user interface and backend services

• Handles the routing of requests to appropriate functions or methods

• Coordinates the flow of data and actions within the application
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Q2. What is facade in laravel?
Ans. 
Facade in Laravel is a design pattern that provides a simple interface to a complex subsystem.
• Facade provides a static interface to classes that are available in the application's service container.

• It is used to simplify the usage of complex classes by providing a simpler interface.

• Facade allows you to access Laravel's features without needing to instantiate objects or use dependency injection.

• Example: The Auth facade ...read more
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Q1. Ledger details posting profile
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Q2. Fixed Asset project management and accounting
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Q1. Laravel framework question.
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Q1. Laravel framework question
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Q1. Reasons for the drop in CPM
Ans. 
Possible reasons for drop in CPM include seasonality, changes in ad inventory, shifts in audience demographics, and increased competition.
• Seasonal fluctuations in advertising demand

• Changes in available ad inventory

• Shifts in audience demographics affecting targeting effectiveness

• Increased competition leading to lower bids
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Q2. Types of floor in GAM
Ans. 
Types of floors in GAM include carpet, hardwood, tile, and laminate.
• Carpet

• Hardwood

• Tile

• Laminate
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