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Waveaxis Interview Questions and Answers
Ques:- We are trying to avoid that anybody see our script after we wrote it. Did anybody know how to do this? Is there any tool/way to read an .exe or .dll so we can make our script then compile it and then include in a QTP script and not allow anybody to see ou
Ques:- What is data normalization and why is it important
Right Answer:
Data normalization is the process of organizing data in a database to reduce redundancy and improve data integrity. It involves structuring the data into tables and defining relationships between them. Normalization is important because it helps eliminate duplicate data, ensures data consistency, and makes it easier to maintain and update the database.
Ques:- What is classification analysis and how does it work
Right Answer:
Classification analysis is a data analysis technique used to categorize data into predefined classes or groups. It works by using algorithms to learn from a training dataset, where the outcomes are known, and then applying this learned model to classify new, unseen data based on its features. Common algorithms include decision trees, logistic regression, and support vector machines.
Ques:- What is clustering in data analysis and how is it different from classification
Right Answer:
Clustering in data analysis is the process of grouping similar data points together based on their characteristics, without prior labels. It is an unsupervised learning technique. In contrast, classification involves assigning predefined labels to data points based on their features, using a supervised learning approach.
Ques:- What is the role of SQL in data analysis
Right Answer:
SQL (Structured Query Language) is used in data analysis to query, manipulate, and manage data stored in relational databases. It allows analysts to retrieve specific data, perform calculations, filter results, and aggregate information to derive insights from large datasets.
Ques:- What is the purpose of feature engineering in data analysis
Right Answer:
The purpose of feature engineering in data analysis is to create, modify, or select variables (features) that improve the performance of machine learning models by making the data more relevant and informative for the analysis.
Ques:- A luxury car manufacturer is debating offering a financing option to customers in order to stimulate sales. What is your take?
Right Answer:
Offering a financing option can attract more customers by making the luxury car more affordable, potentially increasing sales. It can also enhance customer loyalty and improve cash flow for the manufacturer. However, it's important to assess the risks of default and ensure that the financing terms are favorable for both the company and the customers.
Ques:- Company is failing, you have been brought in to save it, what do you do?
Right Answer:
Assess the current situation, identify key issues, engage with employees and stakeholders, streamline operations, focus on core products or services, improve cash flow, and develop a strategic plan for turnaround.
Ques:- The client is a high tech company that manufactures crystal giftware. The market for crystal giftware is growing at 3% a year yet the client is experiencing declining sales and shrinking market share. Why is market share declining? What can we do about it?
Right Answer:
The client's market share may be declining due to factors such as increased competition, changing consumer preferences, lack of innovation, poor marketing strategies, or pricing issues. To address this, the client can conduct market research to understand customer needs, improve product quality and design, enhance marketing efforts, explore new distribution channels, and consider competitive pricing strategies.
Ques:- What is the cover for column?
Right Answer:
The cover for a column is the layer of concrete that protects the steel reinforcement bars (rebar) from environmental factors, ensuring durability and preventing corrosion.
Ques:- What is the difference between HMI and Scada?
Right Answer:
HMI (Human-Machine Interface) is a user interface that allows operators to interact with machines or systems, while SCADA (Supervisory Control and Data Acquisition) is a system that monitors and controls industrial processes, often using multiple HMIs to gather data and provide oversight.
Ques:- Explain your methods for resource allocation.
Right Answer:
My methods for resource allocation include:

1. **Assessing Project Requirements**: Understanding the scope and specific needs of the project.
2. **Identifying Resources**: Listing available resources, including team members, tools, and budget.
3. **Prioritizing Tasks**: Determining which tasks are critical and need immediate attention.
4. **Matching Resources to Tasks**: Assigning the right resources based on skills and availability.
5. **Monitoring and Adjusting**: Continuously tracking progress and reallocating resources as needed to address any issues or changes in project scope.
Ques:- How do you estimate in the three point estimating method?
Right Answer:
In the three-point estimating method, you calculate the estimate using three values: the optimistic estimate (O), the pessimistic estimate (P), and the most likely estimate (M). The formula is:

Estimate = (O + 4M + P) / 6.

This gives more weight to the most likely scenario while considering the extremes.
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