NTT Data Senior Lead Interview Questions and Answers

Program for duplicate removal and sorting

Q1. Technical in detail
Add your answer

Q1. Qualification and experience
Add your answer
Q2. About my previous organization
Add your answer

Q1. Was on team leader
Add your answer

Q1. Tell about your self
Add your answer
Q2. How long will you work here
Add your answer

Q1. Tell about your self?
Add your answer
Q2. How long will You work here?
Ans. 
I plan to work here for the foreseeable future, as I am excited about the opportunities for growth and development within the company.
• I am committed to contributing to the success of the team and the organization

• I see potential for advancement and learning opportunities within the company

• I am excited about the projects and initiatives currently in progress at the company
Answered by AI
Add your answer

Q1. COBOL SCNEARIO BASED QUESTIONS
Add your answer

Q1. Toughest coding done so far
Ans. 
Implementing a complex algorithm for optimizing search results in a large-scale e-commerce platform.
• Developed a custom search algorithm to improve search relevance and speed

• Implemented data structures like trie and inverted index for efficient search

• Optimized the algorithm to handle millions of products and user queries

• Used techniques like caching and parallel processing to enhance performance
Answered by AI
Add your answer

Q1. Fake Interview, Didn't expect this from virtusa
Add your answer
Q2. FakeInterviews conducted, Didn;t expect this from virtusa
Add your answer
Q3. Virtusa Scammers
Add your answer

Q1. Remove duplicates in an array
Ans. 
Use a hash set to remove duplicates in an array of strings
• Create a hash set to store unique elements

• Iterate through the array and add each element to the hash set

• Convert the hash set back to an array to get the unique elements
Answered by AI
Add your answer
Q2. What is react virtual DOM
Ans. 
React virtual DOM is a lightweight copy of the actual DOM, used for efficient updates and rendering in React applications.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

• React uses virtual DOM to efficiently update and render components without directly manipulating the actual DOM.

• When changes are made to the virtual DOM, React calculates the most efficient way to update the act...read more
Answered by AI
Add your answer
Q3. React hooks with example
Ans. 
React hooks are functions that let you use state and other React features without writing a class.
• React hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.

• useState() is a hook that allows you to add state to functional components.

• useEffect() is a hook that allows you to perform side effects in functional components.

• useContext() is a hook that allows you to use the con...read more
Answered by AI
Add your answer

Q1. He asked Java related questions and java 8 coding questions.
Add your answer
Q2. Coding questions
Add your answer

Q1. Project related questions and asked to build api's from the scratch.
Add your answer

Q1. Java and projects questions
Add your answer

Q1. Java and project questions
Add your answer

Q1. Performance optimisation
Add your answer

Q1. Lods,parameters
Add your answer

Q1. Sql queries on analytical queries
Add your answer
Q2. Different constraints and join methods
Ans. 
Different constraints and join methods in database queries
• Constraints in database queries ensure data integrity and enforce rules on data

• Join methods in database queries are used to combine rows from two or more tables based on a related column between them

• Examples of constraints include primary key, foreign key, unique key, and check constraints

• Examples of join methods include inner join, outer join (left, right, full
Answered by AI
Add your answer

It was mostly on sub queries.