Disney+ Hotstar Sdet Interview Questions and Answers

There were 2 questions in coding one with array and in string releated

Q1. About Selenium questions
Add your answer
Q2. Other basic questions related to testing
Add your answer
Q3. Management related question
Add your answer

Q1. One program to solve
Add your answer
Q2. Other questions in selenium
Add your answer

Strategy Roadmap - mention strategies to increase profit per order

Q1. 5 year roadmap of Netflix
Ans. 
Netflix plans to focus on expanding original content, global expansion, technology innovation, partnerships, and improving user experience over the next 5 years.
• Expand original content library to attract and retain subscribers

• Continue global expansion to reach new markets and increase subscriber base

• Invest in technology innovation to enhance streaming quality and personalization

• Form strategic partnerships with content ...read more
Answered by AI
Add your answer
Q2. Explain a past project in detail
Add your answer
Q3. How will you grow user count of Amazon from x to 10x in 2 years?
Ans. 
To grow user count of Amazon from x to 10x in 2 years, focus on customer acquisition, retention, and engagement strategies.
• Implement targeted marketing campaigns to attract new users

• Enhance user experience to increase retention rate

• Leverage data analytics to understand user behavior and preferences

• Expand product offerings to cater to a wider audience

• Utilize social media and influencer partnerships for brand awareness
Answered by AI
Add your answer

Sql questions- mainly around window functions and joins

How would you understand if suddenly order dropped by 20% for flipkart
Statistics questions as well

Round duration - 60 Minutes
Round difficulty - Easy

Q1. 
0/1 Knapsack Problem Statement
A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...read more
Ans. 
Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).
• Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.

• Iterate through each item and update the array based on whether including the item would increase the total value.

• The final value in the array at index W will be the maximum value that can be stolen.
Answered by AI
Add your answer
Q2. 
Find the Second Largest Element
Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.
If a second largest element does not exist, return -1.
Example:
Input:
ARR = [2,...read more
Ans. 
Find the second largest element in an array of integers.
• Iterate through the array to find the largest and second largest elements.

• Handle cases where all elements are identical.

• Return -1 if a second largest element does not exist.
Answered by AI
Add your answer

Round duration - 60 Minutes
Round difficulty - Easy

System Design Round

Q1. Design a system for Twitter, discussing its architecture, key components, and scalability considerations.
Ans. 
Design a scalable system for Twitter with key components and architecture.
• Use microservices architecture for scalability and fault isolation.

• Key components include user service, tweet service, timeline service, and notification service.

• Use a distributed database like Cassandra for storing tweets and user data.

• Implement a message queue like Kafka for handling real-time updates and notifications.

• Use a caching layer like ...read more
Answered by AI
Add your answer

Round duration - 30 Minutes
Round difficulty - Easy

It is just a formality