EI Design Interview Questions and Answers

Q1. Basic questions on Java
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Q1. What is the role of a BA
Ans. 
The role of a Business Analyst is to analyze business processes, gather requirements, and recommend solutions to improve efficiency and productivity.
• Analyzing business processes to identify areas for improvement

• Gathering and documenting business requirements from stakeholders

• Creating detailed functional specifications for developers

• Collaborating with stakeholders to ensure project success

• Identifying and recommending so...read more
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Q2. What are different methodologies followed
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Different methodologies followed in business analysis include Agile, Waterfall, Scrum, and Lean.
• Agile methodology focuses on iterative development and collaboration between cross-functional teams.

• Waterfall methodology follows a linear sequential flow, with each phase dependent on the deliverables of the previous one.

• Scrum is a subset of Agile that emphasizes on short, time-boxed iterations called sprints.

• Lean methodolo...read more
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There were 10 questions in aptitude test.
I that 6 were mcq and 4 were coding questions.

The mixed aptitude test should be clearly structured, containing both general aptitude questions and technical computer science questions.

They have an Online Aptitude cum coding test which contains some 20-30 Question to be done in 3Hrs.
20 Questions of Aptitude and 10 Questions of coding(Which includes Display output and correct the program Questions)

Easy Interview lasting about 30-45 Mins
They mostly ask questions based on projects and they like to see some certifications.
DSA questions were easy to medium.

25 questions of quants and logical and 10 questions of coding, some were debugging some were coding

Q1. Discussion about my resume projects
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Q2. Return addition and subtraction of two numbers from the same function
Ans. 
A function that returns the addition and subtraction of two numbers.
• Create a function that takes two numbers as input parameters.

• Inside the function, calculate the sum of the two numbers and store it in a variable.

• Calculate the difference of the two numbers and store it in another variable.

• Return an array of strings containing the sum and difference.
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Q3. Print leaf nodes of binary tree
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Print leaf nodes of binary tree
• Traverse the tree recursively

• If node is null, return

• If node is leaf node, print it

• Else, recursively traverse left and right subtrees
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Q4. What is the protocol used for communication over web pages
Ans. 
HTTP is the protocol used for communication over web pages.
• HTTP stands for Hypertext Transfer Protocol

• It is the foundation of data communication on the World Wide Web

• HTTP uses a client-server model where the web browser acts as the client and sends requests to the web server

• The web server responds with the requested data in the form of HTML, images, videos, etc.
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