HashedIn by Deloitte Technology Architect Interview Questions and Answers

Q1. Landscape and Architect solution
Ans. 
Landscape and Architect solution involves analyzing the current technology landscape and designing a solution that aligns with business goals.
• Understand current technology infrastructure and systems

• Identify business goals and requirements

• Design a solution that integrates with existing systems and meets business needs

• Consider scalability, security, and performance

• Create a roadmap for implementation and migration
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Q2. Real time scenario on data processing and business reporting challenges
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Q3. Business reporting data issues/reporting
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Q4. Nrt/back log processing,business scenario
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Q5. Data modelling, infrastructure set up for data scenarios
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Q6. Data bricks processing on reporting layer on data latency
Ans. 
Data bricks processing on reporting layer impacts data latency.
• Data bricks processing can improve reporting performance by processing data in parallel.

• However, it can also introduce latency if not optimized properly.

• Optimizing data bricks processing involves tuning cluster configurations and optimizing queries.

• Using caching mechanisms can also help reduce data latency in reporting.

• Monitoring and analyzing data latency ...read more
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Q1. Technical questions
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Q1. Salary discussion and work location
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Coding we had related to Peoplecode and unix scripting

Q1. We had a basic technological round where they post common questions to the related area you worked.
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Q1. Data architecture questions
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Q2. Data security implemntations
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How to eradicate poverty? This was the topic of discussion

Q1. Explain binary search.
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• It works by repeatedly dividing the search space in half.

• Compare the target value with the middle element of the array.

• If the target value is smaller, search the left half of the array.

• If the target value is larger, search the right half of the array.

• Repeat until the target value is found or the search space is empty.
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Q1. What are the concepts of Object-Oriented Programming (OOP)?
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OOP is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• Encapsulation: Objects can encapsulate data and behavior within a single unit.

• Inheritance: Objects can inherit attributes and methods from other objects.

• Polymorphism: Objects can take on different forms or have multiple behaviors.

• Abstraction: Objects can represent real-world ent...read more
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Q2. What is dependency injection, and how does it work?
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by providing a way to mock dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of a class creating an ins...read more
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Q1. What are design patterns, including the Singleton pattern?
Ans. 
Design patterns are reusable solutions to common problems in software design. Singleton pattern ensures a class has only one instance and provides a global point of access to it.
• Design patterns are best practices for solving common design problems in software development.

• Singleton pattern restricts the instantiation of a class to one object, ensuring there is only one instance of the class.

• Singleton pattern provides a ...read more
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Q2. What are the advantages of using .NET Core?
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Advantages of using .NET Core include cross-platform compatibility, high performance, and open-source nature.
• Cross-platform compatibility allows for development on Windows, macOS, and Linux.

• High performance due to its modular architecture and optimized runtime.

• Open-source nature encourages community contributions and rapid updates.

• Support for modern development practices like microservices and containerization.

• Integrat...read more
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Q1. How do you manage a team of developers?
Ans. 
I manage a team of developers by setting clear goals, providing support and resources, fostering collaboration, and promoting a positive work culture.
• Set clear goals and expectations for the team

• Provide necessary support, resources, and training for team members

• Foster collaboration and communication among team members

• Promote a positive work culture and provide feedback and recognition for achievements
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