Moonfrog Labs Interview Questions and Answers

Q1. Tell me about your role as a Manufacturing Head?
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Q2. Describe about production Process es?
Ans. 
Production processes involve a series of steps to transform raw materials into finished products efficiently.
• Production planning to determine the resources needed

• Material sourcing and inventory management

• Manufacturing operations such as machining, assembly, and quality control

• Packaging and shipping of finished products

• Continuous improvement through feedback and analysis
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Q3. Responsibilities
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Q4. Salary negotiation
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Q1. Describe About Planning Process and Previous Experience?
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The planning process involves setting goals, creating strategies, allocating resources, and monitoring progress. Previous experience includes developing production schedules and optimizing workflows.
• Setting clear goals and objectives

• Creating detailed production schedules

• Allocating resources effectively

• Monitoring progress and making adjustments as needed

• Optimizing workflows to improve efficiency

• Implementing lean manufac...read more
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Q2. Your Contribution
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Q1. Do you have any experience working in data center
Ans. 
Yes, I have 5 years of experience working in data centers.
• Managed server hardware installations and upgrades

• Performed routine maintenance tasks such as cabling and rack mounting

• Troubleshooted network and server issues

• Implemented disaster recovery plans

• Monitored and optimized data center performance
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Q2. What’s component inside of server
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Components inside a server include CPU, RAM, hard drives, power supply, motherboard, and network interface cards.
• CPU (Central Processing Unit) - processes instructions and performs calculations

• RAM (Random Access Memory) - stores data and instructions that the CPU needs

• Hard drives - store data and programs long-term

• Power supply - provides electricity to the server components

• Motherboard - connects all the components toge...read more
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Q3. What’s should you do before turn off server?
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Before turning off a server, it is important to properly shut down all running applications and services to prevent data loss or corruption.
• Save any work in progress and close all applications

• Ensure all services are stopped gracefully

• Check for any pending updates or patches

• Backup important data if necessary

• Notify users or stakeholders about the planned shutdown

• Document the shutdown process for future reference
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Q4. Tell me different type of optical cables
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Different types of optical cables include single-mode fiber, multi-mode fiber, and plastic optical fiber.
• Single-mode fiber: used for long-distance communication, has a small core size and transmits infrared laser light.

• Multi-mode fiber: used for shorter distances, has a larger core size and transmits infrared LED light.

• Plastic optical fiber: used for short-distance applications like home networks, made of plastic inste
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Q1. Process of troubleshooting network issue
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Troubleshooting network issues involves identifying the problem, gathering information, isolating the cause, and implementing a solution.
• Identify the problem by gathering information from users and monitoring tools

• Isolate the cause by checking network configurations, hardware, and software

• Implement a solution by making necessary changes and testing the network

• Document the troubleshooting process for future reference
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Q2. What tools do you use to check optical fiber
Ans. 
I use tools like optical power meters, visual fault locators, and OTDRs to check optical fiber.
• Optical power meters measure the power level of the optical signal.

• Visual fault locators help identify breaks or bends in the fiber.

• OTDRs (Optical Time Domain Reflectometers) analyze the quality of the fiber by sending pulses of light and measuring reflections.
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Q1. Strategy to increase revenue
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Implementing targeted marketing campaigns, optimizing pricing strategies, and expanding product offerings can help increase revenue.
• Implement targeted marketing campaigns to reach specific customer segments

• Optimize pricing strategies to maximize profits without sacrificing customer loyalty

• Expand product offerings to attract new customers and increase sales

• Leverage data analytics to identify opportunities for upselling
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Q2. Resume questions
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Q1. SQL query writing
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Q2. Puzzle
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Case to give coupons to increase revenue

Case to stop users to move away from youtube to consume short content elsewhere

The test was conducted on HackerRank. One Javascript question and has to be solved.

Q1. Discussion on building a scalable system.
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Q1. Peer panel round - Discussion on how a feature has been built. What tradeoffs you thought of etc
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Q1. Behavioural and culture fit
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Q1. General discussion on what is expected from the role and what are my expectations etc
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Q1. All related to domain javascript/react,
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Q2. Fallback in lazy loading,optimization techniques/for API call
Ans. 
Fallback in lazy loading is important for optimizing API calls to ensure a smooth user experience.
• Implementing a loading spinner or placeholder while content is being loaded asynchronously

• Using a default value or cached data if the API call fails

• Implementing error handling to gracefully handle any issues with the API call
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Train,percentage,work

Array , string , basic

Q1. Basic dsa question and oops
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Q1. About company and traditaion question
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Coding related to java collections

Q1. Familiar with Design patterns ?explain few
Ans. 
Design patterns are reusable solutions to common problems in software design.
• Design patterns help in creating maintainable and scalable code.

• Examples of design patterns include Singleton, Factory, Observer, and Strategy.

• Singleton pattern ensures a class has only one instance and provides a global point of access to it.

• Factory pattern creates objects without specifying the exact class of object that will be created.

• Obse...read more
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Q2. What is Mutilthreading,explain with examples
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Multithreading is the ability of a CPU to execute multiple threads concurrently, allowing for improved performance and responsiveness.
• Multithreading allows multiple tasks to be executed simultaneously on a single CPU.

• Each thread has its own stack and program counter, but shares the same memory space.

• Examples include running multiple processes in a web server, handling user input while performing background tasks, and p
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