New Horizon Scholars School and Neo kids Interview Questions and Answers

Q1. What are the challenges or risks associated with IoT?
Ans. 
IoT faces challenges like security risks, data privacy issues, interoperability, and reliance on connectivity.
• Security Vulnerabilities: IoT devices can be hacked, leading to unauthorized access. For example, a smart thermostat could be manipulated.

• Data Privacy Concerns: Personal data collected by IoT devices can be misused. For instance, health trackers may expose sensitive health information.

• Interoperability Issues: D...read more
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Q2. What do you mean by IoT Gateway? What is the role of a gateway in IoT?
Ans. 
An IoT Gateway connects IoT devices to the cloud, facilitating data transfer and device management.
• Acts as a bridge between IoT devices and the cloud.

• Processes and filters data locally before sending it to the cloud.

• Enables device management and configuration remotely.

• Supports various communication protocols (e.g., MQTT, HTTP).

• Example: A smart home hub that connects various smart devices to the internet.
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Q3. State the difference between IoT and M2M.
Ans. 
IoT connects devices to the internet for data exchange, while M2M focuses on direct device-to-device communication without internet.
• IoT (Internet of Things) involves a network of interconnected devices that communicate over the internet.

• M2M (Machine to Machine) refers to direct communication between devices, often using wired or wireless connections.

• IoT applications include smart homes, where devices like thermostats a...read more
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Q4. Explain how IoT works.
Ans. 
IoT connects devices to the internet, enabling them to collect and exchange data for smarter decision-making.
• Devices: IoT includes various devices like smart thermostats, wearables, and connected appliances.

• Connectivity: These devices connect to the internet via Wi-Fi, Bluetooth, or cellular networks.

• Data Collection: Sensors in IoT devices gather data (e.g., temperature, heart rate) for analysis.

• Data Processing: Collec...read more
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Q1. Tell me about yourself?
Ans. 
I am a recent graduate with a degree in Computer Science and a passion for coding and problem-solving.
• Recent graduate with a degree in Computer Science

• Passionate about coding and problem-solving

• Experience with programming languages like Java, Python, and C++

• Completed internships at tech companies
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Q2. What is mern ?
Ans. 
MERN is a full stack JavaScript framework that consists of MongoDB, Express.js, React, and Node.js.
• MERN stands for MongoDB, Express.js, React, and Node.js.

• It is used for building dynamic web applications.

• MongoDB is the database, Express.js is the backend framework, React is the frontend library, and Node.js is the runtime environment.
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Q1. Singleton Design Patten
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Q2. Super keyword
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Q1. Use of This Keyword
Ans. 
The 'this' keyword in Java refers to the current instance of a class.
• Used to refer to instance variables or methods within a class.

• Avoids naming conflicts between instance variables and local variables.

• Can be used to pass the current object as a parameter to another method.
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Q2. Describe difference between MVC and Hibernate.
Ans. 
MVC is a design pattern for organizing code in separate layers, while Hibernate is an ORM tool for mapping Java objects to database tables.
• MVC stands for Model-View-Controller and is used to separate the application into three interconnected components: the model (data), the view (UI), and the controller (logic).

• Hibernate is an ORM (Object-Relational Mapping) tool that maps Java objects to database tables, simplifying ...read more
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Q1. Data Given on Excel to Solve.
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Q2. Advanced Functions of Excel.
Ans. 
Advanced Excel functions enhance data analysis through powerful tools like VLOOKUP, INDEX, MATCH, and pivot tables.
• VLOOKUP: Searches for a value in the first column of a range and returns a value in the same row from a specified column. Example: =VLOOKUP(A2, B2:D10, 3, FALSE)

• INDEX & MATCH: A powerful combination for flexible lookups. Example: =INDEX(B2:B10, MATCH(A2, A2:A10, 0))

• Pivot Tables: Summarize large dataset...read more
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Q1. About myself and my working skills and my previous experience
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Q2. What is expected salary
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Q3. Are willing to reloacte
Ans. 
Yes, I am willing to relocate for the right opportunity.
• I am open to relocating for a position that aligns with my career goals

• I have relocated for previous job opportunities and am comfortable with the process

• I understand the importance of being flexible and adaptable in the tech industry
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C#,Dotnet MVC,Webform ,sql server, write code ,they give task ask about and explanation.

Q1. Policy term and conditions and expectation
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Q2. Why i am leaving privious organization
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