The Digital Group Technical Lead Interview Questions and Answers

Q1. All AWS related questions
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Q2. Automation questions specific cloud automation using Python
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Q1. Overall infrastructure handling & Trouble shooting
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Q2. How you perform as Individual contributor/ get team lead opportunity how you handle it
Ans. 
I excel as an individual contributor and transition smoothly into a team lead role by leveraging my technical expertise and leadership skills.
• Demonstrate strong technical skills and consistently deliver high-quality work as an individual contributor.

• Proactively seek opportunities to mentor and guide team members, showcasing leadership potential.

• Communicate effectively with team members, fostering collaboration and driv...read more
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Q1. Fake Interview, Didn't expect this from virtusa
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Q2. FakeInterviews conducted, Didn;t expect this from virtusa
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Q3. Virtusa Scammers
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Q1. Questions about Interfaces,, Abstract Classes, Multi-Threading, Parallel Programming concepts, SQL Server
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Q1. Questions about Design Patterns, SOLID Principles, Extension Methods, LINQ, Entity Framework
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Q1. Questions about current project and my roles and responsibilities, my salary structure, my aspirations whether I want to be Architect or just Team Lead.
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Q1. My CTC and ECTC, and asked for negotiation, to which I said yes and accepted the compensation they can offer to me. But still offer letter not released without giving any reason.
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Q1. Java Collections
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Q2. Java8 Stream program
Ans. 
Java8 Stream program to filter even numbers and double them
• Use Stream to filter even numbers

• Use map to double the filtered numbers

• Use collect to collect the results into a list
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Q1. Completable future
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Q2. Microservice architecture
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Q1. Pega basics touch up
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Q2. Flows and au flows
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Simple array questions

Q1. Difference between spring jpa and hibernate
Ans. 
Spring JPA is a part of the Spring framework that provides an abstraction layer on top of JPA, while Hibernate is a standalone ORM framework.
• Spring JPA is a part of the Spring framework and provides additional features like transaction management, dependency injection, and aspect-oriented programming.

• Hibernate is a standalone ORM framework that provides mapping between Java objects and database tables, along with featu...read more
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Q2. What is cyclic barrier
Ans. 
Cyclic barrier is a synchronization aid that allows a set of threads to wait for each other to reach a common barrier point.
• Cyclic barrier is similar to CountDownLatch but can be reused after the barrier point is reached.

• It is initialized with a count of the number of threads that must invoke await() before the barrier is tripped.

• Threads wait at the barrier until all threads have invoked await(), then the barrier is re...read more
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Q1. Sql queries join and left join
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Q1. Introduce yourself
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Q1. SOA vs Micro Service
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SOA focuses on large, monolithic services while Microservices are small, independent services.
• SOA is a centralized architecture with shared services, while Microservices are decentralized with each service having its own database.

• SOA is typically implemented using ESB (Enterprise Service Bus), while Microservices communicate via lightweight protocols like HTTP or messaging queues.

• SOA is more suitable for large enterpri...read more
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