WNS Director Transformation Interview Questions and Answers

Q1. What’s solace in term of messaging
Ans. 
Solace in messaging refers to finding comfort, peace, or relief through communication.
• Solace in messaging can be achieved through expressing emotions, seeking support, or sharing experiences with others.

• It can provide a sense of connection and understanding, helping individuals feel less alone in their struggles.

• Examples include sending heartfelt messages to loved ones during difficult times, participating in online su...read more
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Q1. Just basic profile info, salary expectations and experience.
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Q1. All cyber security basics
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Q1. Different Machine learning algorithms
Ans. 
Machine learning algorithms are models used to analyze data and make predictions or decisions without being explicitly programmed.
• Supervised learning algorithms: Decision Trees, Support Vector Machines, Linear Regression

• Unsupervised learning algorithms: K-means Clustering, Principal Component Analysis

• Reinforcement learning algorithms: Q-Learning, Deep Q-Networks
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Q1. Explain the working of neural networks
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Neural networks are a type of machine learning algorithm inspired by the human brain, consisting of interconnected nodes that process information.
• Neural networks consist of layers of interconnected nodes, including input, hidden, and output layers.

• Each node receives input, processes it using weights and activation functions, and passes the output to the next layer.

• Neural networks learn by adjusting the weights based on...read more
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Q2. Different cost function for regression
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Different cost functions for regression are used to measure the error between predicted and actual values.
• Common cost functions include Mean Squared Error (MSE), Mean Absolute Error (MAE), and Huber Loss.

• MSE penalizes larger errors more heavily, while MAE treats all errors equally.

• Huber Loss is a combination of MSE and MAE, providing a balance between robustness and sensitivity to outliers.
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Q3. SQL join operations on tables
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SQL join operations are used to combine rows from two or more tables based on a related column between them.
• Types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from th...read more
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Explaining the training strategy

Q1. Experience in Project management
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Q2. Types of projects being managed
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Q3. Skills and certification you have in Projects and how those helps you in management skills development.
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Q1. Illustration of end to end network connectivity process
Ans. 
End to end network connectivity process involves multiple steps.
• The process starts with the device sending a request to the network.

• The request is then routed through various network devices such as routers and switches.

• The destination device receives the request and sends a response back through the same path.

• The response is then received by the original device, completing the end to end connectivity process.
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Q2. Experience on data and network
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Q1. Finance related knowledge is must
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Q2. Excel related knowledge is also necessary
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Q1. Basics about presales, real time work experience with a large bid
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Q2. Why you want to join HCL
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