NIELIT Intern Interview Questions and Answers

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

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.

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

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

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

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.