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The flow of an N-tier enterprise app involves multiple layers of architecture for efficient data processing and communication.
N-tier architecture divides the application into multiple layers such as presentation, business logic, and data access.
Each layer communicates with the layer above and below it, passing data and requests as needed.
For example, in a typical web application, the presentation layer interacts with t...
I applied via Company Website and was interviewed in Dec 2022. There were 2 interview rounds.
RCSA stands for Risk and Control Self-Assessment. Control testing is a process of evaluating the effectiveness of internal controls.
RCSA is a risk management technique used to identify, assess, and evaluate risks and controls within an organization.
Control testing involves testing the design and operating effectiveness of internal controls to ensure they are working as intended.
Examples of control testing include walkt...
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posted on 4 Dec 2016
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Yes, I have coded in curriculum. The most complex one was a project on building a web application using React and Node.js.
Built a full-stack web application using React and Node.js
Implemented user authentication and authorization using JSON Web Tokens (JWT)
Used MongoDB as the database and Mongoose as the ODM
Implemented real-time updates using Socket.IO
Deployed the application on Heroku
Handled errors and implemented log
Big data refers to large and complex data sets that cannot be processed using traditional data processing methods.
Big data is characterized by its volume, velocity, and variety
It is used in various industries such as healthcare, finance, and retail
Examples of big data include social media data, sensor data, and transactional data
It is called 'big' because it involves processing massive amounts of data
Big data requires ...
I am passionate about technology and eager to learn new skills in the IT sector.
I have always had a keen interest in technology and enjoy working with computers.
I believe the IT sector offers more opportunities for growth and advancement in my career.
I have seen the impact of technology on various industries and want to be a part of that innovation.
I have taken courses in programming and networking to prepare myself fo
To find the product of all data points using SelectSum(), log(), and exp() functions.
Use the log() function to convert the product into a sum of logarithms
Apply the SelectSum() function to calculate the sum of logarithms
Finally, use the exp() function to convert the sum back into the product
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
I am a highly motivated individual with a passion for learning and achieving my goals.
I have a degree in computer science and have worked as a software developer for 3 years.
I am proficient in multiple programming languages including Java, Python, and C++.
I enjoy working in a team environment and collaborating with others to solve complex problems.
In my free time, I enjoy hiking and exploring new places.
I grew up in a small town with my parents and younger sister. We were a close-knit family.
Grew up in a small town
Close-knit family
Parents and younger sister
Participated in community events
Enjoyed outdoor activities
I enjoy reading, hiking, and trying new recipes in my free time.
Reading books on various topics, including fiction, non-fiction, and self-improvement
Hiking in local parks and nature reserves to explore new trails and enjoy the outdoors
Experimenting with new recipes and cooking techniques in the kitchen
Attending cultural events such as concerts, plays, and art exhibits
Spending time with family and friends, playing board
I would expect a supportive work environment, opportunities for growth and development, and a commitment to excellence.
Supportive and collaborative team culture
Clear communication and feedback
Opportunities for professional development and advancement
Commitment to high-quality work and customer satisfaction
Competitive compensation and benefits package
Yes, I have a cousin who lives in Bangalore.
I have a cousin who has been living in Bangalore for the past 5 years.
We keep in touch and he has shown me around the city during my visits.
He works in the IT industry and enjoys the vibrant culture of Bangalore.
Loop in a circular linked list can be found using Floyd's cycle-finding algorithm.
Initialize two pointers, slow and fast, both pointing to the head of the linked list.
Move slow pointer by one node and fast pointer by two nodes in each iteration.
If there is a loop, both pointers will eventually meet at some point.
If there is no loop, fast pointer will reach the end of the linked list.
Time complexity of this algorithm is
Pre-fix and post-fix operations can be performed on a string expression using appropriate operators.
Pre-fix operation involves placing the operator before the operand in the expression.
Post-fix operation involves placing the operator after the operand in the expression.
Examples of pre-fix operators include ++, --, !, and ~.
Examples of post-fix operators include ++ and --.
Data analytics is the process of examining data sets to draw conclusions about the information they contain.
Data analytics involves collecting, cleaning, and analyzing data to identify patterns and trends.
It can help businesses make informed decisions by providing insights into customer behavior, market trends, and operational efficiency.
For example, a retail company can use data analytics to analyze sales data and ide...
Strengths include adaptability and teamwork. Weaknesses include public speaking. Non-core background allows for diverse perspective. JPMorgan Chase's reputation and opportunities attract me.
Strengths: adaptability, teamwork
Weakness: public speaking
Non-core background brings diverse perspective
Attracted to JPMorgan Chase's reputation and opportunities
I would pursue my entrepreneurial dream and start my own company.
I would conduct market research to validate my idea and identify potential competitors.
I would create a business plan outlining my goals, strategies, and financial projections.
I would secure funding through investors or loans.
I would assemble a team of talented individuals with diverse skills and experiences.
I would continuously evaluate and adapt my busi
I would listen to both sides, gather more information, and try to find a compromise that satisfies everyone.
Listen to both sides and understand their perspectives
Gather more information about both ideas
Try to find common ground and a compromise that satisfies everyone
Encourage open communication and respect for each other's ideas
Consider the potential impact and benefits of each idea
Involve a neutral third party if nec
I applied via Campus Placement and was interviewed in Dec 2016. There were 3 interview rounds.
Company is a global technology company known for its innovative products and services.
Founded in 1976 by Steve Jobs, Steve Wozniak, and Ronald Wayne.
Known for products such as iPhone, iPad, Mac computers, and Apple Watch.
Offers services like Apple Music, iCloud, and Apple Pay.
Has a strong focus on design and user experience.
I was interviewed in Dec 2016.
The algorithm reverses a given string.
Iterate through the string from the last character to the first character.
Append each character to a new string or an array in reverse order.
Return the reversed string or array.
As the CEO, I would select the candidate based on their qualifications and skills, regardless of their background or personal characteristics.
I would focus on the qualifications, skills, and experience of each candidate.
I would consider their ability to contribute to the company's goals and objectives.
I would ensure a fair and unbiased selection process.
I would prioritize diversity and inclusion in the workplace.
I woul...
I applied via Company Website and was interviewed before Feb 2023. There were 2 interview rounds.
Difficulty level - medium
To improve model performance beyond hyperopt, consider ensemble methods, feature engineering, and data augmentation.
Implement ensemble methods like bagging, boosting, or stacking to combine multiple models.
Perform feature engineering to create new informative features or transform existing ones.
Apply data augmentation techniques to increase the size and diversity of the training data.
Consider using advanced algorithms ...
XGBoost is an optimized version of Gradient Boosting Machine (GBM) with additional features and improvements.
XGBoost is a scalable and efficient implementation of gradient boosting algorithm.
XGBoost uses a more regularized model formalization to control overfitting.
XGBoost supports parallel processing and can handle large datasets.
XGBoost provides built-in regularization techniques like L1 and L2 regularization.
XGBoost...
To tune model performance, adjust hyperparameters, preprocess data, increase training data, and use ensemble methods.
Adjust hyperparameters such as learning rate, regularization, and batch size.
Preprocess data by scaling, normalizing, or handling missing values.
Increase training data to reduce overfitting and improve generalization.
Use ensemble methods like bagging or boosting to combine multiple models.
Perform cross-v...
Handling class imbalance involves techniques such as resampling, adjusting class weights, and using ensemble methods.
Resampling techniques like oversampling the minority class or undersampling the majority class can help balance the classes.
Adjusting class weights during model training can give more importance to the minority class.
Using ensemble methods like bagging or boosting can improve the performance on imbalance...
I applied via Approached by Company and was interviewed in Jan 2024. There were 3 interview rounds.
Medium to easy level leetcode question
Medium question coderpad round
I applied via Referral and was interviewed before Sep 2022. There were 4 interview rounds.
I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.
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JPMorgan Chase & Co.