_VOIS Senior Lead Interview Questions and Answers

Q1. Domain and Technical
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Interview was smooth and question was related to Coding and Java

Q1. How did you design HMI screens?
Ans. 
I designed HMI screens by first understanding user requirements, creating wireframes, selecting appropriate design tools, and conducting user testing.
• Understand user requirements before starting the design process

• Create wireframes to visualize layout and functionality

• Select appropriate design tools such as Adobe XD or Sketch

• Conduct user testing to gather feedback and make necessary adjustments
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Q2. What is CV2X, CV2I, CV2G?
Ans. 
CV2X, CV2I, CV2G are different communication technologies used in the automotive industry for vehicle-to-everything communication.
• CV2X stands for Cellular Vehicle-to-Everything and uses cellular networks for communication between vehicles, infrastructure, pedestrians, and other devices.

• CV2I stands for Cellular Vehicle-to-Infrastructure and focuses on communication between vehicles and infrastructure such as traffic lig...read more
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Q1. Explain your experience at onsite
Ans. 
I have extensive experience working onsite at various client locations, collaborating with cross-functional teams to deliver successful projects.
• Managed onsite team to ensure project milestones were met

• Facilitated communication between onsite and offsite teams

• Resolved technical issues on-site to keep project on track
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Q2. What sort of bench testing did you perform
Ans. 
I performed bench testing on various components to ensure functionality and reliability.
• Tested electronic components for voltage and current levels

• Conducted stress tests on mechanical parts to assess durability

• Analyzed data from bench tests to identify any issues or improvements needed
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Q1. Will you be willing to travel to Trivandrum
Ans. 
Yes, I am willing to travel to Trivandrum for the role of Lead Engineer.
• I am open to travel for work opportunities

• I have previous experience traveling for work

• I am excited about the prospect of working in Trivandrum
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Q2. What other companies have you appeared for
Ans. 
I have appeared for interviews at companies like Google, Amazon, and Microsoft.
• Google

• Amazon

• Microsoft
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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. Remove duplicates in an array
Ans. 
Use a hash set to remove duplicates in an array of strings
• Create a hash set to store unique elements

• Iterate through the array and add each element to the hash set

• Convert the hash set back to an array to get the unique elements
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Q2. What is react virtual DOM
Ans. 
React virtual DOM is a lightweight copy of the actual DOM, used for efficient updates and rendering in React applications.
• Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

• React uses virtual DOM to efficiently update and render components without directly manipulating the actual DOM.

• When changes are made to the virtual DOM, React calculates the most efficient way to update the act...read more
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Q3. React hooks with example
Ans. 
React hooks are functions that let you use state and other React features without writing a class.
• React hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.

• useState() is a hook that allows you to add state to functional components.

• useEffect() is a hook that allows you to perform side effects in functional components.

• useContext() is a hook that allows you to use the con...read more
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Q1. Performance optimisation
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Q1. Lods,parameters
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Q1. Sql queries on analytical queries
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Q2. Different constraints and join methods
Ans. 
Different constraints and join methods in database queries
• Constraints in database queries ensure data integrity and enforce rules on data

• Join methods in database queries are used to combine rows from two or more tables based on a related column between them

• Examples of constraints include primary key, foreign key, unique key, and check constraints

• Examples of join methods include inner join, outer join (left, right, full
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It was mostly on sub queries.

Hacker Rank test, problem solving. Java 8

Q1. Java 8 feature related questions.
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Q2. Jvm architecture and memory management
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Q3. Sql self join query and query tuning
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Q4. Spring boot microservices design pattern discussion
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Q1. Problem solving based on java and case study
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Q2. Team handling and management skills
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Q3. Docker and Orchetratetion framework
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Q4. Aws cloud and cicd and related technologies
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Q1. General coding questions.
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Q2. General experience questions
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Q1. How are you doing
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Q2. Which was your previous institution
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