Subhagruha Projects india Interview Questions and Answers

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
Ans. 
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?
Ans. 
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
Ans. 
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
Ans. 
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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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
Ans. 
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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Q1. Tell me about yourself?
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Q2. Are you the right fit for the job?
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