Hll Biotech Interview Questions and Answers

Q1. No profesional HR
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Q2. Hr is not good need to fired this type of HR from the company it will affect to company reputation
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Q1. React Hooks and Project experience
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Q1. Performance Optimization Techniques
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Performance optimization techniques for React JS frontend development
• Use React.memo for optimizing functional components

• Avoid unnecessary re-renders by using shouldComponentUpdate or PureComponent for class components

• Implement code splitting to reduce initial load time

• Use lazy loading for components that are not immediately needed

• Optimize images and assets for faster loading times

• Minimize the use of inline styles and u...read more
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Q2. Lazy Loading and other ques related to that
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Q1. General HR Interview
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Q1. Explain your project
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Developed a predictive model for customer churn using machine learning algorithms
• Used R programming language to clean and preprocess customer data

• Implemented various machine learning algorithms such as Random Forest and Logistic Regression

• Evaluated model performance using metrics like accuracy, precision, and recall
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Q2. What metrics you used to test the models deployed
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I use metrics such as accuracy, precision, recall, F1 score, ROC-AUC, and confusion matrix to test the models deployed.
• Accuracy: measures the overall correctness of the model

• Precision: measures the proportion of true positive predictions among all positive predictions

• Recall: measures the proportion of true positive predictions among all actual positives

• F1 score: balances precision and recall

• ROC-AUC: measures the area u...read more
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Q3. How well versed are you with JavaScript?
Ans. 
I have a basic understanding of JavaScript and can work with it to some extent.
• Familiar with basic JavaScript syntax and concepts

• Able to manipulate DOM elements using JavaScript

• Have experience working with JavaScript libraries like jQuery
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Q4. Can you provide an example of integrating R with JavaScript?
Ans. 
Yes, R can be integrated with JavaScript using the 'shiny' package to create interactive web applications.
• Use the 'shiny' package in R to create interactive web applications

• Use the 'htmlwidgets' package to embed interactive R visualizations in web pages

• Utilize the 'r2d3' package to create D3 visualizations in R and embed them in web applications
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Q5. Which modules do you use in R to import Javascript?
Ans. 
The 'V8' package in R is used to import and execute JavaScript code.
• Use the 'V8' package in R to import and execute JavaScript code.

• Install the 'V8' package using install.packages('V8').

• Load the 'V8' package using library(V8).

• Use the v8() function to create a new V8 context and execute JavaScript code.
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Q1. What do you think about security in application?
Ans. 
Security in applications is crucial to protect sensitive data and prevent unauthorized access.
• Security in applications involves implementing measures to protect sensitive data from unauthorized access, such as encryption and access control.

• Regular security audits and penetration testing can help identify vulnerabilities in applications.

• Implementing secure coding practices, such as input validation and proper error hand...read more
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Q2. What was your last encounter with security related issue?
Ans. 
My last encounter with a security related issue was investigating a potential data breach in our company's network.
• Identified suspicious activity on the network

• Conducted forensic analysis to determine the extent of the breach

• Implemented security measures to prevent future incidents
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Q1. How do you handle conflict?
Ans. 
I handle conflict by addressing the issue calmly, listening to all parties involved, and finding a mutually beneficial solution.
• Remain calm and composed during conflicts

• Listen actively to all parties involved

• Seek to understand the root cause of the conflict

• Find a solution that is fair and beneficial for all parties

• Communicate effectively to resolve the conflict
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Q2. How do you proceed with your set of expertise?
Ans. 
I proceed with my expertise by staying updated on the latest security trends, conducting risk assessments, implementing security measures, and training staff.
• Stay updated on the latest security trends and technologies

• Conduct regular risk assessments to identify potential vulnerabilities

• Implement security measures such as access control systems, surveillance cameras, and cybersecurity protocols

• Train staff on security pr...read more
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Q1. Job profile and testing process
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Q2. Handling investigation and interconnected team for information cascade
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Q1. Data integrity principle
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Data integrity principle ensures data is accurate, consistent, and reliable.
• Data should be accurate and free from errors or inconsistencies.

• Data should be consistent and not contradict itself.

• Data should be reliable and trustworthy for decision-making.

• Examples: Using checksums to verify data integrity, implementing access controls to prevent unauthorized changes.
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Q2. HPLC Woking principle
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HPLC stands for High Performance Liquid Chromatography. It separates compounds based on their interaction with a stationary phase and a mobile phase.
• HPLC works by pumping a sample mixture through a column filled with a stationary phase, where different compounds interact differently with the stationary phase.

• Compounds with stronger interactions will move slower through the column, leading to separation based on their p...read more
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Q3. UV visible spectroscopy calibration
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Q1. Not applicable. Very bad culture of Company.
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Q2. Not applicable. No any employees benefit.
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Two coding questions, one is easy and the other is difficult. Who solved 2nd question was shortlisted for an interview.

Q1. Introduce yourself—questions from OS, DBMS, DSA, Project, and one coding problem.
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Q1. Work on excel knowingly
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Q2. Payroll work on monthly
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Q3. Daily base work
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Q1. New Joining purpose
Ans. 
To contribute my skills and experience to a dynamic team and help achieve company goals.
• Excited to join a new team and learn new technologies

• Looking forward to contributing my expertise in computer operations

• Eager to help the company achieve its objectives
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Q2. Documentation of new joining
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Documentation of new joining involves collecting and organizing necessary paperwork for new employees.
• Collect personal information such as name, address, contact details

• Obtain identification documents like passport, driver's license

• Gather educational certificates, work experience letters

• Complete necessary forms like tax declaration, bank account details
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