Vcommission Media Private Interview Questions and Answers

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
Answered by AI
Add your answer

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
Answered by AI
Add your answer

Q1. Laravel framework question.
Add your answer

Q1. Laravel framework question
Add your answer

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
Answered by AI
Add your answer
Q2. Types of floor in GAM
Ans. 
Types of floors in GAM include carpet, hardwood, tile, and laminate.
• Carpet

• Hardwood

• Tile

• Laminate
Answered by AI
Add your answer

Q1. Questions on vlook up, h-look up, pivot and if else condition
Add your answer
Q2. You must know how to use vlook up, h-look up and if-else condition
Add your answer

Excel file was give, used sumifs, countifs , index match formulas