HT Media Software Engineer Interview Questions and Answers

Q1. It is usually problem solving round where leetcode tagged questions are asked but in my case it as generic discussion related to work, technical background etc.
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Q1. Discussions around current system.
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Q2. Everything discussed like release process, how to debug in such scenario
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Q3. Some behavioural questions
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Q1. Design current system
Ans. 
Designing the current system for a Senior Software Engineer position
• Identify the current system architecture and components

• Analyze the strengths and weaknesses of the current system

• Propose improvements or enhancements based on analysis

• Consider scalability, performance, security, and maintainability in the design
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Q2. Design Video Streaming service like Netflix
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Design a video streaming service similar to Netflix
• Utilize a content delivery network (CDN) for efficient video streaming

• Implement recommendation algorithms based on user preferences and viewing history

• Include a user-friendly interface with personalized profiles and watchlists

• Ensure secure payment processing and user data protection

• Offer offline viewing options for subscribers on mobile devices
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Q1. Find max salary using Java stream api
Ans. 
Using Java stream api to find max salary
• Use stream() method to convert the list of salaries to a stream

• Use mapToInt() method to convert the salaries to IntStream

• Use max() method to find the maximum salary
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Q2. A code was given and need to discussion around its LLD, HLD. It was open ended discussion.
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Questions on javascript

Backend questions from node js

Q1. Normal discussion
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Nodejs assignment was given

Basic aptitude and graduation based OS, CN, DAA and DBMS questions

Q1. Psychological warfare, to be honest
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Q1. Questions on DBMS, CN and DAA
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Q1. C# abstraction and encapsulation
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Q2. Reflection and indexers in c#
Ans. 
Reflection and indexers in C#
• Reflection allows inspecting and manipulating metadata of types, objects, and assemblies at runtime

• Indexers provide a way to access elements of a class or struct using array-like syntax

• Reflection can be used to dynamically access and invoke indexers
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Q3. Difference between ienumerable and iqueryable
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IEnumerable is read-only and forward-only while IQueryable is queryable and can be filtered.
• IEnumerable is used for in-memory collections while IQueryable is used for querying databases.

• IQueryable is more efficient for large datasets as it allows for server-side filtering.

• IQueryable extends IEnumerable and adds additional functionality for querying data sources.

• Example: IEnumerable numbers = new List { 1, 2, 3 }; IQuer
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Q4. Difference between rank and dense rank in c#
Ans. 
Rank assigns unique numbers to each distinct value, while dense rank assigns consecutive numbers to each distinct value.
• Rank and DenseRank are used to assign a unique number to each distinct value in a sorted list.

• Rank assigns a unique number to each distinct value, but leaves gaps for ties.

• DenseRank assigns consecutive numbers to each distinct value, without leaving gaps for ties.

• In C#, Rank and DenseRank are availabl...read more
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Q5. Difference between function and Stored procedure
Ans. 
Functions return a value while stored procedures do not.
• Functions are used to perform a specific task and return a value to the caller.

• Stored procedures are used to execute a set of statements and do not return a value.

• Functions can be used in SQL statements while stored procedures cannot.

• Functions can be called from within stored procedures.

• Functions can be used in expressions while stored procedures cannot.
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Q6. Difference between clustered and non clustered index
Ans. 
Clustered index determines the physical order of data in a table, while non-clustered index has a separate structure.
• Clustered index sorts and stores the data rows in the table based on their key values, while non-clustered index has a separate structure that contains the key values and a pointer to the data row.

• A table can have only one clustered index, while it can have multiple non-clustered indexes.

• Clustered index ...read more
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Q7. Difference between execute scalar and execute nonquery
Ans. 
ExecuteScalar returns single value while ExecuteNonQuery does not return any value.
• ExecuteScalar is used for retrieving a single value from the database, such as a count or sum.

• ExecuteNonQuery is used for executing SQL statements that do not return any value, such as INSERT, UPDATE, DELETE.

• ExecuteScalar returns the first column of the first row of the result set, while ExecuteNonQuery returns the number of rows affecte...read more
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According to skills and experience

Q1. One one round with technical person then manager
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Q2. It's upto your resume and skills
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Q1. Salary discussion and final round with general manager
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Q1. Project discussion
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Q2. Hooks concept questions
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