Spaulding Ridge DOT NET Developer Interview Questions and Answers

There was an OA on hackerearth of an hour. In that there were 20 MCQs and two DSA questions easy to medium on Heap, Hashmap and Subarray

Q1. Asked about previous worked project in last company
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Q2. Asked one medium DSA question (DNA sequencing) and asked to design some schema
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Q3. Asked one puzzle If there are 1000 bottles and one is poisonous, a rat will diw after one hour of drinking and you have only one hour to find out which bottle is poisonous, How many minimum rats you need ?
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Coding round is related to DSA

Q1. Java related questions
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Q2. Explain about your project
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Q1. Salary negotiation
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Q2. Why you want to join us?
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Q1. REST API for User CRUD
Ans. 
Design a RESTful API for CRUD operations on user resources.
• Use HTTP methods like GET, POST, PUT, DELETE for CRUD operations

• Create endpoints like /users for listing all users, /users/{id} for specific user

• Use status codes like 200 for success, 404 for not found, 400 for bad request

• Implement authentication and authorization mechanisms for security

• Include request and response body formats like JSON or XML
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Q2. Two Sum Leetcode problem
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Q3. Basic questions based on the candidate technical skills
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Q1. Basics to Intermediate level of questions based on the skills mentioned in the resume
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Q2. Projects related discussions
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Q1. I was informed to upload the supporting documents. ( They rejected me after this eventhough all my documents are genuine )
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It was ok. I was not able to solve all the questions.

Q1. Remove the last element from a linkedlist
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Q2. Some basic questions on oops dbms and os
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Simple question on maths

Q1. Explain OOPS concept
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve complex problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation ensures that the internal state of an object is hidden from the outside world

• Inheritance allows a class to inherit...read more
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Q2. Coding array questions
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Q1. 1. How we secure ur data through data security?
Ans. 
Data security is ensured through various measures such as encryption, access controls, regular backups, and security audits.
• Encryption: Data is encrypted using algorithms like AES or RSA to protect it from unauthorized access.

• Access controls: User authentication, role-based access control, and strong password policies are implemented to control data access.

• Regular backups: Data is regularly backed up to prevent loss or...read more
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Q2. 2.Where are how do we use Al in our day to day life ?
Ans. 
AI is used in various aspects of our daily lives, from virtual assistants to recommendation systems.
• Virtual assistants like Siri, Alexa, and Google Assistant use AI to understand and respond to voice commands.

• Social media platforms use AI algorithms to personalize our news feeds and suggest friends to connect with.

• AI-powered recommendation systems suggest products, movies, and music based on our preferences and browsin...read more
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Q3. 3.Explain about Artificial intelligence
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Artificial intelligence is a field of computer science that focuses on creating intelligent machines.
• AI involves the development of algorithms and models that enable machines to perform tasks that typically require human intelligence.

• It encompasses various subfields such as machine learning, natural language processing, computer vision, and robotics.

• AI applications can be found in areas like virtual assistants, autonom...read more
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Q4. 4.what is al and it functionality in machine learning
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AL stands for Active Learning and it is a technique used in machine learning to select the most informative data points for labeling.
• AL is used to reduce the amount of labeled data needed for training a model.

• It involves iteratively selecting the most uncertain or informative data points for annotation.

• AL can be used in various machine learning tasks such as classification, regression, and clustering.

• By actively select...read more
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Q5. 5.Short keys of copy, cut, paste, undo
Ans. 
Copy, cut, paste, undo are short keys used for manipulating text or objects in software applications.
• Copy: Ctrl+C (Windows) or Command+C (Mac)

• Cut: Ctrl+X (Windows) or Command+X (Mac)

• Paste: Ctrl+V (Windows) or Command+V (Mac)

• Undo: Ctrl+Z (Windows) or Command+Z (Mac)
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Q6. 6.how will short name in mx excel
Ans. 
In Excel, you can create a short name for a cell or range of cells using the Name Manager feature.
• Open Excel and go to the Formulas tab.

• Click on the Name Manager button.

• Click on the New button to create a new name.

• Enter a short name in the Name field.

• Specify the cell or range of cells you want to associate with the short name in the Refers to field.

• Click OK to save the short name.

• You can now use the short name in formu...read more
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Q7. 7.What do you know about artificial intelligence and Machine learning?
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Artificial intelligence (AI) is the simulation of human intelligence in machines that can learn and perform tasks without explicit programming.
• AI is a branch of computer science that focuses on creating intelligent machines

• Machine learning is a subset of AI that enables machines to learn from data and improve their performance

• AI and machine learning are used in various applications such as speech recognition, image cla...read more
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Q8. 8. Can you play any music instrument?
Ans. 
Yes, I can play the piano and the guitar.
• I can play the piano and the guitar.

• I have been playing the piano for 10 years.

• I have been playing the guitar for 5 years.
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Q9. 9.Data Base Administration knowledge line attributes and entities and ther m...
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Singleton Class in c++, Registration call flow.

Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment
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Q2. Short term goals
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