Wipro Interview Questions, Process, and Tips

Q1. SQL Question on window functions to find the highest sale amount per day of the stores
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Q2. Build an ETL Pipeline to read json files which are dropping at irregular times into storage. So how do you transform and match the schema etc.,
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Q3. Write a pyspark code to join two tables and explain broadcastjoin() & what it does?
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⚫Simple and compound interest
⚫ Ratio and proportion

Time management,
Domain knowledge
Understand the case

Communication skills
Team work
Critical Thinking
Leadership skills
Time management

Q1. Technology and AI
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Q2. Climate action
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Q1. If all roses are followers and some followers fade quickly, which of the following can be concluded
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Q2. What comes next in the sequence: 2, 6, 12, 20, 30, ---?
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Q1. Tell me about your self
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Q2. Why do you want to work for our company
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The first round was an interview conducted with a GENAI virtual bot.

Q1. Internal architecture of Spring boot, how enable autoconfiguration works
Ans. 
Spring Boot uses autoconfiguration to automatically configure the Spring application based on dependencies and properties.
• Spring Boot autoconfiguration is achieved through @EnableAutoConfiguration annotation

• Autoconfiguration classes are located in the org.springframework.boot.autoconfigure package

• Autoconfiguration classes are conditionally applied based on the presence of specific classes or properties
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Q2. Questions mostly on microservices and coding question on restTemplate
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Find out the repeated numbers in a string.

Q1. How to do parallel testing
Ans. 
Parallel testing involves running multiple test cases simultaneously to reduce overall testing time.
• Use a test automation tool that supports parallel execution, such as Selenium Grid or TestNG.

• Divide test cases into smaller, independent groups that can be run in parallel.

• Ensure that the test environment can handle the increased load of running multiple tests at once.

• Monitor the test execution to identify any issues or ...read more
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Q2. Explain about the Automation Framework
Ans. 
Automation framework is a set of guidelines, best practices, and tools used for automated testing.
• Automation framework provides structure and organization to automated tests

• It helps in reducing maintenance efforts by promoting reusability of code

• Common types of automation frameworks include data-driven, keyword-driven, and hybrid frameworks

• Examples of automation frameworks include Selenium WebDriver, TestNG, and Cucumb
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Q1. Java 8 features
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Q2. Garbage collector changes in java 11
Ans. 
Java 11 introduced a new garbage collector called Epsilon.
• Java 11 introduced a new experimental garbage collector called Epsilon, which is a no-op garbage collector.

• Epsilon is designed for applications that do not require garbage collection, essentially turning off the garbage collector.

• This can be useful for performance testing or short-lived applications where the overhead of garbage collection is not needed.
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Q3. SOLID principles
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Q4. Kafka basics like topic, partition, consumer group
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Q1. Microservices 12 factor methodology
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Q2. API gateway concepts, service discovery
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Q3. Microservices side car pattern
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Q1. Package expectation
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Q2. Notice period negotiation
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