HARMAN Technical Lead Interview Questions, Process, and Tips

Q1. What is Neural Network.
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Neural network is a type of machine learning algorithm inspired by the human brain, consisting of interconnected nodes that process information.
• Neural network is composed of layers of nodes, each connected to nodes in the next layer.

• Nodes in a neural network perform mathematical operations on input data and pass the result to the next layer.

• Neural networks are trained using labeled data to adjust the weights of connect...read more
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Q1. Normal questions about previous work
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Q1. Basic C# questions
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Q2. Project Architecture
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Q1. Architecture round
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Q1. General project details
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Q1. Explain the Design Patters you worked
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I have worked with several design patterns including Singleton, Factory, Observer, and Decorator.
• Implemented Singleton pattern to ensure only one instance of a class is created.

• Used Factory pattern to create objects without exposing the instantiation logic to the client.

• Implemented Observer pattern to notify dependent objects of any state changes.

• Used Decorator pattern to add functionality to an object dynamically with
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Q2. Explain the Solid Design Pattern
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Solid Design Pattern is a set of principles for writing maintainable and scalable code.
• S - Single Responsibility Principle

• O - Open/Closed Principle

• L - Liskov Substitution Principle

• I - Interface Segregation Principle

• D - Dependency Inversion Principle
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Q3. Explain the ASP.Net Core Middleware
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ASP.Net Core Middleware is a pipeline that handles requests and responses.
• Middleware is a series of components that handle requests and responses in a pipeline

• Each middleware component can modify the request or response

• Middleware can be added to the pipeline using the Use() method

• Examples of middleware include authentication, logging, and routing
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Need to develop a employee portal using asp.net core and angular and share the code base to them.

Q1. More of related test complete tool questions and vb script basics
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Q1. 1. How mutex works 2. Howe do you share information between threads? 3. Questions inCompletableFuture? 4. Write a program to show the deadlock condition? 5.
Ans. 
Technical Lead interview questions on mutex, thread communication, CompletableFuture, and deadlock
• Mutex is a synchronization mechanism to prevent multiple threads from accessing shared resources simultaneously

• Thread communication can be achieved through shared memory, message passing, or synchronization primitives like semaphores

• CompletableFuture is a Java class that represents a future result of an asynchronous comput...read more
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