Happiest Minds Technologies Application Security Analyst Interview Questions and Answers

Q1. Basic interview question
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Q1. Basic interview questions
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Q1. Basic info of application development and upload process
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Q1. Difference between react and Angular
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Q2. What are different types of hooks
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Q1. List out ES6 concepts
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Q2. Difference between context api vs Redux
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MCQ questions related to data structures and algorithms and some easy-medium leetcode coding questions

Q1. A problem was given which was required to be solved using the concepts of OOPS with clean code.
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Q1. Introduce yourself and explain any one of the projects
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Q2. Questions related to HTML and CSS
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Q3. DSA questions related to Strings, two-pointers, maps, etc. Difficulty : easy-medium
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Q1. The interviewer asked me to choose a social topic and then questions following to that topic were asked. This round was more of a discussion type round where they checked my social and leadership skills.
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Q1. Difference Between BADI and UserExit?
Ans. 
BADI is an enhancement technique in SAP that allows adding additional functionality to standard SAP programs, while UserExit is a legacy technique for modifying standard SAP programs.
• BADI stands for Business Add-In and is a newer enhancement technique in SAP.

• BADI allows multiple implementations to be active at the same time, providing flexibility.

• BADI implementations are independent of each other and can be activated o...read more
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Q2. Badi can be used for multiple implementation and user exit is a single implementation
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Q1. What would you do if your supervisor doesnt agree on your approach which can actually help resolve the problem?
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Q2. Will try to reason why the approach wont suit if the reason is not satisfying will conenct with +1 to discuss with the issue.
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Q1. Select from employees tables all those who don't work in any department.
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Q2. What is a cursor and write a query
Ans. 
A cursor is a database object used to retrieve data from a result set one row at a time.
• A cursor is used to iterate through a result set.

• It can be used to update or delete rows in a table.

• Example query: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;

• Example usage: OPEN cursor_name; FETCH NEXT FROM cursor_name INTO @variable1, @variable2;

• Example usage: CLOSE cursor_name; DEALLOCATE cursor_name;
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Q3. How early you can join
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Oops concepts were judged along with problem solving

Q1. Explain your project
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Q2. Design book my show on a high level
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Q1. The duration of the test is around 2 hours. It has questions from DSA on topics like Graphs, Arrays, etc. and MCQs from other topics of OOPS and DBMS. Swapping adjacent, counting votes and Pair Sum.
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Q1. Problem statement: Aapali Taxi is a taxi cab operator. They have 3 types of cars- Mini, Sedan and SUV, each with different tariffs. When customers approach them for booking rides, they show an “Estimated ...read more
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Q1. 1. Permutations of the string.
Ans. 
Permutations of a string can be generated using recursion and swapping characters.
• Use recursion to generate all possible permutations

• Swap characters to create new permutations

• Store permutations in an array of strings

• Handle duplicate characters to avoid repetition
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Q2. 2. How will you design a database to manage the songs playlist on Spotify?
Ans. 
A database for managing songs on Spotify playlists.
• Create a table for playlists with columns for name, description, and user ID

• Create a table for songs with columns for title, artist, album, and duration

• Create a table for playlist-songs with columns for playlist ID and song ID

• Use foreign keys to link tables together

• Allow for CRUD operations on playlists and songs
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Q3. 3. Middle element of linked list in a single traversal
Ans. 
To find the middle element of a linked list in a single traversal.
• Use two pointers, one moving at twice the speed of the other.

• When the faster pointer reaches the end, the slower pointer will be at the middle.

• If the linked list has even number of elements, the middle will be the second of the two middle elements.
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Q4. 4. Design a list to show songs in the year in which they were published.
Ans. 
Create an array of song titles sorted by year of publication.
• Create an array of song objects with properties for title and year of publication.

• Sort the array by year of publication.

• Extract the titles of the songs into a separate array.

• Return the array of song titles.
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Q5. 5. Another question related to library management class where you have to make diagrams too.
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Q1. This Round is comparatively simple and easier than previous rounds. They ask you to introduce yourself followed by questions regarding your background goals, strengths, etc. And discussing some social prob...read more
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