Decision Point Senior Software Engineer 1 Interview Questions and Answers

Q1. Mostly on your experience. Azure, .net core, microservices.
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Q2. Coding round with basic programming questions. Easy level.
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It was an easy test. It consisted of MCQs and two coding qns. Prepare SQL well. It also had 2 programming question. Both were medium difficukty

Q1. It was mainly focussed on my projects. Be thorough with you resume. But it also depends on the interviewer.
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Q1. 1. Simple database query
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Q2. A small program for c++ as it was
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Q1. Multiprocessing
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Q1. Django ORM queries, python basic
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Q1. Company culture and compensation discussion
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Q1. Basic concept of c#,.net framework
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Q2. What is CFA and DFA in entity framework core
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CFA and DFA are Change-Tracking and Database-First Approaches in Entity Framework Core.
• CFA (Change-Tracking Approach) is used to track changes made to entities in memory and then save them to the database.

• DFA (Database-First Approach) is used to generate entity classes and DbContext from an existing database schema.

• CFA is useful when working with disconnected entities, while DFA is useful when working with an existing ...read more
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Q1. Basic questions
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Q1. Asked about projects. Quite aloberately.
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Q2. What is authorization and authentication?
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Authentication verifies the identity of a user, while authorization determines what actions they are allowed to perform.
• Authentication confirms the identity of a user through credentials like passwords or biometrics.

• Authorization determines the level of access a user has to resources or actions.

• Example: Logging into a system with a username and password is authentication, while being able to view or edit specific files
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1 coding test having a DP question and some spark based questions.

Q1. Fibonacci using DP
Ans. 
Fibonacci using Dynamic Programming
• Use an array to store calculated Fibonacci numbers to avoid redundant calculations

• Start with base cases of 0 and 1, then iterate to calculate subsequent Fibonacci numbers

• Time complexity can be reduced from exponential to linear using DP
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Q2. SQL questions ( ranks and partition)
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Q1. Design based questions
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Q1. Data structures
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Q2. Solid Principles
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Q3. Single responsibility principle
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Single responsibility principle states that a class should have only one reason to change.
• Each class should have only one responsibility

• Helps in making code more maintainable and easier to understand

• Promotes separation of concerns

• Example: A class that handles user authentication should not also handle file management
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Q4. Javascript question
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Q5. Object oriented concepts
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