Sony India Software Centre Interview Questions and Answers

Q1. Internal working of Hashmap
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Q2. Second largest element in array
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Q3. Reverse linked list
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Q1. Sort 0s and 1s
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Q2. Basic questions on springboot
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Q3. Previous projects
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10 basic questions in python. No need for DSA or anything.

Q1. What is cnn network,dropout,weight initialization techniques, why relu ?
Ans. 
CNN is a type of neural network commonly used for image recognition. Dropout is a regularization technique to prevent overfitting. Weight initialization techniques are methods to set initial weights in a neural network. ReLU is a popular activation function due to its ability to address the vanishing gradient problem.
• CNN (Convolutional Neural Network) is commonly used for image recognition tasks due to its ability to c...read more
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Q2. A scenario based question to test thinking capabilities
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Q1. It is just a form filling session
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Q1. What is your knowledge and experience with Python and selenium?
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Q2. What is your experience with automation and coding skills?
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Q1. Questions about JS and React
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Q1. Questions on my previous experience and scenario based questions
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Q1. Explain project architecture
Ans. 
Project architecture refers to the high-level structure of a software system, including components, relationships, and interactions.
• Project architecture defines how different components of a software system interact with each other.

• It includes the design decisions related to technologies, frameworks, databases, and communication protocols.

• Common architectural patterns include MVC, microservices, and layered architectur...read more
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Q1. JSON Response iteration
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Iterating through a JSON response involves accessing and processing its data structure effectively.
• Use a loop (e.g., for, forEach) to iterate over arrays in JSON.

• Access object properties using dot notation or bracket notation.

• Example: for (let item of jsonArray) { console.log(item.property); }

• Handle nested JSON by chaining accessors, e.g., jsonObject.parent.child.

• Consider using libraries like Lodash for more complex op...read more
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Q2. Unique Elements in a given String
Ans. 
Find unique elements in a given string
• Iterate through each character in the string

• Use a hash set to keep track of unique characters

• If a character is already in the set, it is not unique

• Return the set of unique characters as an array of strings
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Q3. Post method using rest assured
Ans. 
The POST method in Rest Assured is used to send data to a server to create a new resource.
• Use the given() method to set the base URI and path

• Create a request specification using the request() method

• Set the request body using the body() method

• Specify the content type using the contentType() method

• Send the POST request using the post() method

• Validate the response using assertions
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Q1. What is objectness loss?
Ans. 
Objectness loss is a loss function used in object detection models to penalize incorrect localization of objects.
• Objectness loss helps in determining how well the model localizes objects in an image.

• It penalizes the model for predicting bounding boxes that do not contain the object of interest.

• Commonly used in models like YOLO (You Only Look Once) for object detection tasks.
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Q2. What is vanishing gradient means how to avoid that
Ans. 
Vanishing gradient occurs when gradients become very small during backpropagation, leading to slow learning or stuck in local minima.
• Vanishing gradient is a common issue in deep neural networks, especially in deep architectures like RNNs.

• It occurs when the gradients of the loss function with respect to the weights become very small, making weight updates negligible.

• To avoid vanishing gradient, one can use activation fu...read more
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