CommLab India Interview Questions and Answers

Q1. Related to work experience and skills on Resume
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Q2. Formula to find midpoint and slope of a line
Ans. 
Midpoint and slope formulas help determine key characteristics of a line in coordinate geometry.
• Midpoint formula: M = ((x1 + x2)/2, (y1 + y2)/2). Example: M = ((1 + 3)/2, (2 + 4)/2) = (2, 3).

• Slope formula: m = (y2 - y1) / (x2 - x1). Example: m = (4 - 2) / (3 - 1) = 1.

• Midpoint gives the center point between two coordinates.

• Slope indicates the steepness and direction of the line.
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Q1. How much would you rate yourself in negotiation ?
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I would rate myself an 8/10 in negotiation, leveraging effective communication and empathy to achieve win-win outcomes.
• I actively listen to understand the other party's needs, which helps in finding common ground.

• In a recent project, I negotiated a 15% discount with a vendor by presenting data on our long-term partnership.

• I use role-playing techniques to prepare for negotiations, which enhances my confidence and adapta...read more
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Q2. What is your career plan ?
Ans. 
I aim to grow into a strategic leader, enhancing team performance and driving innovation in our projects.
• Short-term: Focus on developing my leadership skills through training and mentorship.

• Mid-term: Lead successful projects that contribute to the company's goals, like the recent XYZ project that increased efficiency by 20%.

• Long-term: Transition into a senior management role, where I can influence company strategy and ...read more
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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
Ans. 
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
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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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My name is amar reverse the string without using inbuilt method

Q1. What is nodejs and what is promise. What is closures
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Node.js is a runtime environment for executing JavaScript code outside of a web browser. Promises are objects representing the eventual completion or failure of an asynchronous operation. Closures are functions that have access to their own scope, as well as the scope in which they were defined.
• Node.js is a runtime environment that allows you to run JavaScript on the server-side.

• Promises are used in asynchronous progra...read more
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