Dhanush InfoTech Technical Lead Interview Questions and Answers

Programming mandatory (c cpp java ...)

Q1. You should be technically sound as per mentioned in cv.
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Q1. Just a salary discussion
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Q1. Basic Question on C
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Q2. Linux basics, and domain specific
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Q1. Linux Internals
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Q2. Threads and processes
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Q1. Basic details, offer
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Q1. Most of questions related project base and Apache Hadoop, Spark fundamental and also indept question in above areas
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Spark and Hadoop architecture, Linux command , python , pyspark question

Q1. They were asking related CTC, location etc.
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Q1. Sql is the most important , Focus on Joins ,Sub query and Sql basics
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Q2. Joining tables with different joins
Ans. 
Joining tables with different joins in SQL
• Use INNER JOIN to return rows when there is at least one match in both tables

• Use LEFT JOIN to return all rows from the left table and the matched rows from the right table

• Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table

• Use FULL JOIN to return rows when there is a match in one of the tables
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1 hr test on testing basics

Q1. What is test bed
Ans. 
A test bed is a platform or environment where testing is conducted to evaluate the performance of software or hardware.
• Test bed is used to simulate real-world conditions for testing purposes.

• It allows testers to identify and fix issues before the product is released to the market.

• Examples of test beds include virtual machines, physical devices, and cloud-based testing environments.
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Q2. What is test case
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A test case is a set of conditions or variables under which a tester will determine whether a system under test satisfies requirements or works correctly.
• Test cases are designed to validate the functionality of a system or software.

• They include steps to be executed, expected results, and actual results for comparison.

• Test cases can be automated or manual, depending on the testing process.

• Examples: Login functionality,
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Q1. Package discussion
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Language and coding related

Q1. Experience and Expectations
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Q2. Great experience from previous organisation and i want best from that
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Q1. Its more about the previous roles & project
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