Femtosoft Technologies Interview Questions and Answers

Q1. How would you utilize AWS or Azure services to create scalable web applications
Ans. 
Utilize AWS or Azure services for scalable web applications
• Use AWS Elastic Beanstalk or Azure App Service for easy deployment and scaling

• Leverage AWS Lambda or Azure Functions for serverless computing

• Utilize AWS Auto Scaling or Azure Autoscale to automatically adjust resources based on traffic

• Store data in AWS RDS or Azure SQL Database for scalable database solutions

• Use AWS CloudFront or Azure CDN for content delivery
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Q2. How would you tackle memory leaks if the system your working on was experiencing this issue?
Ans. 
I would use memory profiling tools to identify the source of the leaks and then fix them by properly managing memory allocation and deallocation.
• Use memory profiling tools like Valgrind or Instruments to identify the source of the leaks

• Review the code to ensure proper memory allocation and deallocation practices are being followed

• Implement smart pointers or garbage collection to automatically manage memory

• Use static co...read more
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Q3. Have you worked on legacy systems?
Ans. 
Yes, I have experience working on legacy systems.
• I have successfully maintained and upgraded legacy systems to meet current business needs.

• I have refactored legacy code to improve performance and scalability.

• I have integrated new technologies with legacy systems to enhance functionality.

• I have experience troubleshooting and debugging issues in legacy systems.
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Q1. Are you capable to work with cross functional teams and handle disputes effectively
Ans. 
Yes, I have experience working with cross functional teams and resolving disputes effectively.
• I have successfully collaborated with team members from different departments to achieve project goals.

• I am skilled at mediating conflicts and finding mutually beneficial solutions.

• I prioritize open communication and actively listen to all team members' perspectives.

• I have experience using conflict resolution techniques such a
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Q1. What is the difference between abstract class and an interface in Java?
Ans. 
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
• Abstract class can have constructors, member variables, and methods, while interface cannot.

• A class can implement multiple interfaces but can only extend one abstract class.

• Abstract classes are used to define a common behavior among subclasses, while interfaces are used to define a contract for classes to impl...read more
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Q2. An abstract class can have method implements and abstract method, while an interface only contains abstract method (before Java 8) . Abstract classes support single inheritance, whereas interfaces support ...read more
Ans. 
Abstract classes can have both implemented and abstract methods, while interfaces can only have abstract methods. Abstract classes support single inheritance, interfaces support multiple inheritance.
• Abstract classes can have both implemented and abstract methods, providing more flexibility in design.

• Interfaces can only have abstract methods, promoting a more strict contract for implementing classes.

• Abstract classes sup...read more
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Q1. Talk about your work experience. Detailed questions about projects that I worked on.
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Q2. Why are you interested in switching.
Ans. 
Seeking new challenges and growth opportunities in a dynamic field.
• Interested in leveraging my skills and experience in a new environment

• Excited about the potential to work on innovative products

• Looking for opportunities to expand my knowledge and expertise
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Q3. Do you use any food delivery apps frequently? What would you improve in Swiggy?
Ans. 
Yes, I frequently use food delivery apps like Swiggy.
• I use Swiggy at least a few times a week for ordering food.

• I appreciate the wide variety of restaurants and cuisines available on Swiggy.

• Improvement suggestion: Enhance the user interface for a smoother ordering experience.

• Improvement suggestion: Implement a more accurate delivery time estimation system.

• Improvement suggestion: Offer more personalized recommendations
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Q4. What is northstar metric, what would be northstar metric for Swiggy
Ans. 
Northstar metric is the key metric that drives the core value of a product. For Swiggy, the northstar metric could be Daily Active Users (DAU) or Orders per User.
• Northstar metric is the single metric that best captures the core value that your product delivers to customers.

• For Swiggy, the northstar metric could be Daily Active Users (DAU) as it represents the number of unique users who engage with the platform on a dai...read more
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Q1. Explain what you worked on, how did you grow the adoption of the feature.
Ans. 
I worked on improving the adoption of a new feature by conducting user research, implementing user feedback, and creating targeted marketing campaigns.
• Conducted user research to understand user needs and preferences

• Implemented user feedback to make necessary improvements to the feature

• Created targeted marketing campaigns to promote the feature to the right audience
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Q2. Design product to manage risks during an event. Sub-question- How would this change if the target market is tier 3 cities in India
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Mintu Babu lives in a smaller house than her brother and in a larger house than her parents. Her children reside with her, and she has no other relatives. If Mintu Babu's relative U lives in a larger house than her relative S, then all the following may be true except: \n\n1) S is U's father \n\n2) S is U's mother \n\n3) U is younger than S \n\n4) S is younger than U

Q1. 1. merge two linked list
Ans. 
Merge two sorted linked lists without creating new nodes by rearranging existing nodes.
• Traverse both linked lists simultaneously

• Compare the values of nodes and rearrange pointers accordingly

• Continue until one of the lists is fully traversed
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Q2. 2. reverse a linked list.
Ans. 
Reverse a linked list by changing the direction of pointers.
• Start with three pointers: current, previous, and next.

• Iterate through the linked list, updating pointers to reverse the direction.

• Update the head of the linked list to be the previous node once iteration is complete.
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Q1. What is react why it's used?
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Q1. What is virtual DOM in react?
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Filter and shot the filter block based on title using redux?

2 coding questions,20 mcq-from coderbyte

Q1. They told selected, but still not scheduled 1:1 round, never wait, they gave mail also selected, but not scheduled 1:1 , its having 2 months
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Q1. Still now not scheduled
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