WiseWorks Interview Questions and Answers

Q1. When should classical machine learning models, deep learning, and large language models be utilized?
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Q2. What is a Convolutional Neural Network (CNN), and what is its architecture?
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Q3. What is a Recurrent Neural Network (RNN), and how does it function?
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Q4. How does Long Short-Term Memory (LSTM) work, and how is it different from Recurrent Neural Networks (RNN)?
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Q5. What are filters in Convolutional Neural Networks (CNNs), and how do they function?
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Q6. How does a Convolutional Neural Network (CNN) detect lines in an image?
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Q7. What is the vanishing gradient problem, and what steps can be taken to prevent it?
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Q8. Given a dataset and an integer k, which represents the desired number of clusters, write a Python function that performs hierarchical clustering on the dataset and returns the points associated with k clus...read more
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Q1. Basic question on the tool I use in previous company and ask question on the components of it.
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Q1. More on what is my role and managerial round.
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Q1. 2 hour long interview with a panel of 4. Possibly every single question that can be asked and repeatedly same things. They tried understanding the process and functions elaborately way too much which was ...read more
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Q1. Everything was already asked. But they need to drench and waste time of the candidate and themselves so they set up another round of technical to ask the same questions again and again.
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Q1. They asked general questions about macroeconomics.
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Q1. Questions were based on core economics courses studied in UG.
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Q2. Few questions related to calculation of GDP were asked.
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Q1. This was an in detailed discussion about the work that I did.
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Q1. Trail balance Corp chat
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Q2. Team handling situations based question
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Q1. What does S/4 HANA implementation involve?
Ans. 
S/4 HANA implementation involves migrating business processes to SAP's latest ERP system for improved efficiency and real-time analytics.
• Data migration from legacy systems to S/4 HANA

• Business process reengineering to align with S/4 HANA functionalities

• Customization and configuration of S/4 HANA modules

• Training employees on using the new system effectively

• Testing and validation of the implemented solution
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Q2. What is the process for setting up a master data set?
Ans. 
Setting up a master data set involves identifying data sources, cleansing data, defining data attributes, and establishing data governance.
• Identify all relevant data sources that will be included in the master data set

• Cleanse the data to ensure accuracy and consistency

• Define data attributes such as data types, formats, and relationships

• Establish data governance policies and procedures to maintain data quality and integ
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Q1. Royalty process
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Q2. Intercompany pricing process
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Q1. Team handing Experience and salary discussion
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Bachelor of Commerce degree with a GPA of 6.79 and an accompanying resume.

Q1. Location send Hyderabad komplly
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Q2. Hardwark honest project
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Q3. First introducedy
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Q4. Salarypackge and times
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Q5. Respect to office staff
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Q1. What's the CI/CD workflow that's followed in your team?
Ans. 
Our team follows a CI/CD workflow that includes automated testing, code reviews, and continuous integration.
• Automated testing is run on every code change to catch bugs early.

• Code reviews are conducted before merging changes to ensure code quality.

• Continuous integration is used to automatically build and test code changes in a shared repository.

• Deployment pipelines are set up to automate the release process.

• Version cont...read more
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Q2. Has there been any security incident and how have you handled those ?
Ans. 
Yes, there have been security incidents and I have handled them effectively.
• Implemented security protocols to prevent future incidents

• Conducted thorough investigation to identify the root cause

• Collaborated with IT team to strengthen security measures

• Communicated with stakeholders to ensure transparency and trust

• Provided training to employees on cybersecurity best practices
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Q3. Difference between authorization and authentication ?
Ans. 
Authentication verifies the identity of a user, while authorization determines what actions a user is allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics.

• Authorization determines the level of access or permissions a user has once their identity is confirmed.

• Authentication is the process of logging in, while authorization is the process of granting or denyin...read more
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Q4. LLD for an authentication and authorization system
Ans. 
LLD for an authentication and authorization system
• Separate modules for authentication and authorization

• Use of secure hashing algorithms for storing passwords

• Role-based access control implementation

• Audit logging for tracking user actions

• Integration with external identity providers
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Q1. Design a document managed storage like google drive as an E2E solution.
Ans. 
Design a document managed storage like Google Drive as an E2E solution.
• Implement user authentication and authorization for secure access.

• Create a user-friendly interface for uploading, organizing, and sharing documents.

• Include features like version control, file syncing, and search functionality.

• Utilize cloud storage for scalability and accessibility.

• Implement encryption for data security.

• Integrate with third-party app
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Q1. Qn on fin statements. Given a situation how it would impact three fin statements
Ans. 
Changes in a situation can impact financial statements differently
• Changes in revenue will impact income statement by affecting net income

• Changes in inventory levels will impact balance sheet by affecting assets

• Changes in debt levels will impact cash flow statement by affecting financing activities
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Q2. Qn on DCF
Ans. 
Discounted Cash Flow (DCF) is a valuation method used to estimate the value of an investment based on its future cash flows.
• DCF calculates the present value of expected future cash flows by discounting them back to their current value.

• It takes into account the time value of money, risk, and opportunity cost of capital.

• The formula for DCF is: DCF = CF1/(1+r)^1 + CF2/(1+r)^2 + ... + CFn/(1+r)^n, where CF is cash flow and...read more
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Q1. Case interview focused on calculating the financial aspects of a coffee shop, from fund sourcing to profit calculation,EDA (Excel or paper were not permitted for calculations). the interviewer aimed to a...read more
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Q1. How will you find loyal customers for a store like DMart , SmartBazar
Ans. 
Utilize customer transaction data and behavior analysis to identify loyal customers for DMart and SmartBazar.
• Use customer transaction history to identify frequent shoppers

• Analyze customer behavior patterns such as repeat purchases and average spend

• Implement loyalty programs to incentivize repeat purchases

• Utilize customer feedback and reviews to gauge loyalty

• Segment customers based on their shopping habits and preferenc
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Q2. Who is more valuable a customer who is making small transactions everyday or the customer who makes big transactions in a month
Ans. 
It depends on the business model and goals of the company.
• Small transactions everyday can lead to consistent revenue streams and customer engagement.

• Big transactions in a month can indicate high purchasing power and potential for larger profits.

• Consider customer lifetime value, retention rates, and overall business strategy when determining value.
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Q3. What will you do as a data scientist if the sales of a store is declining
Ans. 
I would conduct a thorough analysis of the sales data to identify trends and potential causes of the decline.
• Review historical sales data to identify patterns or seasonality

• Conduct customer surveys or interviews to gather feedback

• Analyze competitor data to understand market dynamics

• Implement predictive modeling to forecast future sales

• Collaborate with marketing team to develop targeted strategies
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Q4. We have to bundle the items together in the units of 2-3 as a single units like chips of 3 packets together. how to identify which items to bundle and number of units. Create a machine learning model for i...read more
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Q5. You are working in a project, where your approach towards problem is more innovative while the rest of the team is following conventional approach. how will you convince them to follow your approach.
Ans. 
I would showcase the potential benefits and results of my innovative approach to convince the team.
• Highlight the advantages of the innovative approach such as improved efficiency, accuracy, or cost-effectiveness.

• Provide real-world examples or case studies where similar innovative approaches have led to successful outcomes.

• Encourage open discussion and collaboration within the team to explore the potential of combining ...read more
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1. A store has promotional offers how will you analyse that offers are working in their favour.
2. What data will you require if you want to predict the sales of the chocolate in a store.
3. Why data is distributed normally in linear regression.
4. Difference between linear and logistic regression
5. A person who is senior to you and you are working on the same project. But that person has very bad reputation of misbehaving and being rude to people. And he is doing same with you. What will you do?

Q1. Can you provide a self-introduction?
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Q2. What are the fundamentals of Workforce Management (WFM)?
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Q1. Can you provide a self-introduction?
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Q2. What are the fundamentals of Workforce Management (WFM)?
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