S&P Global Senior .NET Developer Interview Questions and Answers for Experienced

Q1. What is sas, on Prem
Ans. 
SAS on Prem refers to SAS software installed and operated on-premises rather than in the cloud.
• SAS on Prem stands for SAS software that is deployed and managed on the organization's own servers.

• It allows organizations to have full control over their data and infrastructure.

• SAS on Prem is often preferred by organizations with strict data security and compliance requirements.

• Examples of SAS on Prem solutions include SAS
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Q2. API automation explain?
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API automation involves using software tools to automatically test and interact with APIs.
• API automation involves using scripts or tools to send requests to an API and validate the responses.

• It helps in automating the testing of APIs to ensure they function correctly and meet requirements.

• API automation can be done using tools like Postman, SoapUI, or programming languages like Python with libraries like requests.
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Q3. Explain about iqbot
Ans. 
IQ Bot is an AI-powered cognitive automation solution that can learn from human behavior to handle unstructured data.
• IQ Bot uses cognitive technology to extract and process unstructured data like emails, PDFs, and images.

• It can learn from human corrections to improve accuracy over time.

• IQ Bot can be integrated with RPA platforms like UiPath to automate end-to-end processes.

• It is used in industries like finance, healthc...read more
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Q1. Ask questions related to CSS, Javascript, React, Node and Cloud stuff
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Q1. Basics on Java 8, MySql, Linux
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Q1. 1.Oops springboot 2.spring restful
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Q2. Coding question -find first unique
Ans. 
Find the first unique element in an array of integers.
• Iterate through the array and count the frequency of each element.

• Return the first element with a frequency of 1.

• If no unique element is found, return -1.
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Apt + coding questions, medium difficulty

Q1. Basics qs on oops and known programming language
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Q1. In-depth of oops and live coding questions
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Q1. Basics qs like y and what
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Q1. What are joins, given 2 tables, join them
Ans. 
Joins are used to combine data from two or more tables based on a related column between them.
• Use JOIN keyword followed by the name of the table to join

• Specify the columns to be selected using SELECT keyword

• Use ON keyword to specify the related column between tables

• Types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
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Q2. All C# OOPS Concepts, Inheritance, Overriding and Overloading
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Q1. Oops concepts, abstract
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Q2. Interface, polymorphism
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Q1. How is GIL and how python handle multi threading
Ans. 
GIL stands for Global Interpreter Lock in Python, which limits execution of multiple threads at once.
• GIL is a mutex that protects access to Python objects, preventing multiple threads from executing Python bytecodes at once.

• Due to GIL, Python threads are not suitable for CPU-bound tasks but are still useful for I/O-bound tasks.

• To handle multi-threading in Python, one can use multiprocessing module or asynchronous progr...read more
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Q2. Explain How React works under the hood.
Ans. 
React uses a virtual DOM to efficiently update the actual DOM based on changes in state or props.
• React creates a virtual DOM representation of the actual DOM.

• When state or props change, React compares the virtual DOM with the actual DOM to determine the minimal set of changes needed.

• React then updates the actual DOM efficiently to reflect the changes.
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