Straive Interview Questions, Process, and Tips

Q1. About joins in SQL.
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Q2. Get different values in table.
Ans. 
To get different values in a table, you can use SQL queries with DISTINCT keyword.
• Use SELECT statement with DISTINCT keyword to retrieve unique values from a specific column in a table.

• You can also use GROUP BY clause to group the data by a specific column and retrieve distinct values.

• If you want to get distinct values from multiple columns, you can use the combination of DISTINCT and CONCAT functions.

• Example: SELECT D...read more
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Q3. Find duplicate values in table.
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To find duplicate values in a table, you can use SQL queries with GROUP BY and HAVING clauses.
• Write a SQL query to select the columns that may contain duplicate values.

• Use the GROUP BY clause to group the rows based on the selected columns.

• Add the HAVING clause with a COUNT function to filter out the groups with more than one occurrence.

• Execute the query to retrieve the duplicate values.
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Q1. When should classical machine learning models, deep learning, and large language models be utilized?
Ans. 
Classical ML for small datasets, deep learning for complex patterns, large language models for NLP tasks.
• Classical machine learning models like SVM, Random Forest are suitable for small datasets with clear patterns.

• Deep learning models like CNN, RNN are ideal for tasks with complex patterns and large amounts of data.

• Large language models like GPT-3 are best suited for natural language processing tasks requiring underst...read more
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Q2. What is a Convolutional Neural Network (CNN), and what is its architecture?
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CNN is a type of deep neural network commonly used for image recognition tasks.
• CNNs use convolutional layers to extract features from input images.

• They also include pooling layers to reduce spatial dimensions and prevent overfitting.

• CNN architecture typically consists of convolutional layers, activation functions, pooling layers, and fully connected layers.

• Examples of CNN architectures include LeNet, AlexNet, VGG, and
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Q3. What is a Recurrent Neural Network (RNN), and how does it function?
Ans. 
RNN is a type of neural network designed to handle sequential data by retaining memory of previous inputs.
• RNNs are ideal for tasks like speech recognition, language translation, and time series prediction.

• They have loops within their architecture that allow information to persist.

• RNNs process inputs one at a time while maintaining a hidden state that captures information about what has been seen so far.

• They can suffer ...read more
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Q4. How does Long Short-Term Memory (LSTM) work, and how is it different from Recurrent Neural Networks (RNN)?
Ans. 
LSTM is a type of recurrent neural network designed to overcome the vanishing gradient problem and better capture long-term dependencies.
• LSTM has a more complex architecture with multiple gates (input, output, forget) that control the flow of information.

• LSTM can retain information over long sequences, making it suitable for tasks requiring memory of past inputs.

• RNNs suffer from the vanishing gradient problem, where gr...read more
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Q5. What are filters in Convolutional Neural Networks (CNNs), and how do they function?
Ans. 
Filters in CNNs are small matrices used to extract features from input data through convolution operations.
• Filters are small matrices applied to input data to extract specific features.

• During convolution, filters slide over the input data to perform element-wise multiplication and summing.

• Filters help CNNs learn patterns such as edges, textures, and shapes in images.

• Example: A 3x3 filter applied to a grayscale image to
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Q6. How does a Convolutional Neural Network (CNN) detect lines in an image?
Ans. 
CNN detects lines in an image by using filters to convolve over the image, capturing patterns of pixel values.
• CNN uses filters/kernels to convolve over the image, capturing patterns of pixel values.

• Filters detect edges by highlighting changes in pixel values along lines.

• Multiple convolutional layers learn to detect more complex patterns like curves or shapes.

• Pooling layers help reduce spatial dimensions while retaining...read more
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Q7. What is the vanishing gradient problem, and what steps can be taken to prevent it?
Ans. 
Vanishing gradient problem occurs when gradients become too small during backpropagation, leading to slow learning or stuck in local minima.
• Vanishing gradient problem is common in deep neural networks with many layers.

• It occurs when gradients become very small during backpropagation, making it difficult for the model to learn effectively.

• One way to prevent vanishing gradients is by using activation functions like ReLU ...read more
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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
Ans. 
Python function for hierarchical clustering on dataset to return k clusters
• Use scipy library for hierarchical clustering

• Use fcluster function to get cluster assignments

• Specify the linkage method and distance metric

• Example: scipy.cluster.hierarchy.linkage(data, method='average', metric='euclidean')

• Example: scipy.cluster.hierarchy.fcluster(Z, k, criterion='maxclust')
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Ask symbols of proof reading, front and back content aspects, book content matter like running head table and figure placement, quote and general style aspects like T1, T2, T3, T4 and sample books. Ask how to handle math code title for latec and 3b2 titles. How to read zero error pages and TOC blind folio pages etc.

I will give one simple and sample pages for reading and styling aspects and get the result

Coding test only conduct for candidate who have coming for paginators not for readers.

For experienced candidates go to meet the GD for concered department experts not for freshers

Q1. What about you? What is your native place? Why you select this field? What's your previous experience? Are you do extra OT work for job pressure times. And ready to work all shifts. What is your expected...read more
Ans. 
I am from XYZ city, passionate about this field, have X years of experience, willing to work extra hours and all shifts, expecting competitive salary.
• Native place is XYZ city

• Passionate about field, selected for interest and skills

• X years of experience in similar roles

• Willing to work extra hours and all shifts

• Expecting competitive salary

• Company rules and regulations include dress code, attendance policy, etc.

• Company pro...read more
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Q2. What is your father and native place?
Ans. 
My father is a retired engineer and my native place is a small town in the countryside.
• Father is a retired engineer

• Native place is a small town in the countryside
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Q3. Why should you select this field?
Ans. 
I have a passion for leading and motivating teams to achieve success.
• Enjoy working with and leading teams

• Strong communication and interpersonal skills

• Experience in team management or leadership roles

• Passionate about driving team success

• Ability to handle challenges and conflicts within a team
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Q4. What is your educational qualification and experience
Ans. 
I have a Bachelor's degree in Business Administration and 5 years of experience in team management.
• Bachelor's degree in Business Administration

• 5 years of experience in team management
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Q5. Ready to work OT for job pressure times
Ans. 
Yes, I am willing to work overtime during high-pressure times to ensure the success of the team.
• I understand the importance of meeting deadlines and delivering results, even if it means working extra hours.

• I have experience managing teams during crunch times and have successfully led them to achieve their goals.

• I am committed to supporting my team and ensuring that we meet our objectives, even if it requires working ov
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Q6. Ready to work all shifts
Ans. 
Yes, I am ready to work all shifts including nights, weekends, and holidays.
• I am flexible and willing to work any shift required by the team

• I understand the importance of being available during peak times

• I have previous experience working various shifts in a fast-paced environment
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Q7. What is your expected salary
Ans. 
My expected salary is negotiable and dependent on the responsibilities and opportunities offered by the position.
• My expected salary is flexible and open to discussion based on the job requirements and benefits package.

• I am looking for a competitive salary that reflects my experience and skills in team management.

• I am open to discussing salary options during the interview process.
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Q8. Finnally tell company rules and regulations and company providing benefits for employees.
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Q1. What are the basic concepts of chemistry?
Ans. 
Basic concepts of chemistry include atoms, elements, compounds, and chemical reactions.
• Atoms are the basic building blocks of matter, composed of protons, neutrons, and electrons.

• Elements are pure substances made up of only one type of atom, such as oxygen or gold.

• Compounds are substances made up of two or more different elements chemically bonded together, like water (H2O) or salt (NaCl).

• Chemical reactions involve the...read more
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Q2. Glucose and fructose difference
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Glucose and fructose are both simple sugars, but they have different chemical structures and metabolic pathways.
• Glucose is a monosaccharide with a six-carbon structure, while fructose is also a monosaccharide but with a five-carbon structure.

• Glucose is the primary source of energy for the body and is found in foods like bread, pasta, and fruits, while fructose is sweeter than glucose and is found in fruits, honey, and ...read more
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