Infosys Interview Questions, Process, and Tips

Q1. What is software testing
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Q1. Tell me about yourself
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Coding test is a programming challenge that assesses a developer's coding skills and problem-solving abilities. Coding tests can be used in a variety of situations, such as during the hiring process, as part of a professional certification program, or to assess a developer's current skill level.
Here are some details about coding tests:
Types of coding tests
Coding tests can range from simple challenges that can be completed in minutes to more complex projects that can take hours or days.
What to expect
During a coding test, you may be given a problem to solve and asked to write code to solve it. You may also be asked questions about your thought process while you're coding.
How to prepare
To prepare for a coding test, you can practice coding on a whiteboard or blank sheet of paper. You can also get used to writing code without an integrated development environment (IDE) or compiler.
How to take the test
You may be given a link to a code editor and be able to choose your programming language. You should make sure to take the test in a quiet environment where you won't be distracted.
How recruiters use coding tests
Coding tests can help recruiters assess a large number of candidates effectively because they can use an auto-grading system.

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Q1. React Basics que
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Q2. Create a form and submit
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Q1. What are group COA
Ans. 
Group COA (Chart of Accounts) are a hierarchical structure of accounts used to organize financial transactions within an organization.
• Group COA categorizes accounts into different levels based on their nature and function.

• It helps in organizing financial data in a systematic manner for reporting and analysis.

• Example: Level 1 may include assets, liabilities, equity, revenue, and expenses; Level 2 may further break down ...read more
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Q1. What is Obk9 ?
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OBK9 is a transaction code in SAP used for posting incoming payments.
• OBK9 is used in SAP for configuring incoming payment methods.

• It is used to set up payment methods like checks, bank transfers, etc.

• OBK9 allows for customization of payment methods based on company requirements.
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Q1. What are your expectations
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I expect to learn and grow in a supportive environment, contribute to impactful projects, and develop strong relationships with clients and colleagues.
• Opportunity to learn from experienced consultants

• Engagement in challenging and meaningful projects

• Collaboration with clients and colleagues

• Professional development and growth opportunities
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Infosys conducts coding assessment on the HackWithInfy platform. The assessment includes a medium-level problem & the rest are hard-level similar to LeetCode's. The total duration of the test is 3 hours.

Q1. The question is based on string and it is a hard-level question. (I can't recognise it now)
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Q2. Reverse the linked list.. i solved it by floyed warshall algorithm then interviwer tell me solve it recursive way.
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Q3. What is deadlock in OS & how it overcome?
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Deadlock in OS occurs when two or more processes are unable to proceed because each is waiting for the other to release a resource.
• Deadlock happens when processes have acquired resources but are waiting for additional resources that are held by other processes.

• Four conditions must hold for deadlock to occur: mutual exclusion, hold and wait, no preemption, and circular wait.

• Deadlock can be prevented by using techniques ...read more
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Q4. Which are the process scheduling algorithms and explain each algorithm.
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Process scheduling algorithms determine the order in which processes are executed by the CPU.
• First Come First Serve (FCFS) - Processes are executed in the order they arrive.

• Shortest Job Next (SJN) - Process with the shortest burst time is executed next.

• Round Robin (RR) - Each process is assigned a fixed time slice for execution.

• Priority Scheduling - Processes are executed based on priority levels assigned to them.

• Multi...read more
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Q5. What are the joins in DBMS and explain each join
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Joins in DBMS are used to combine rows from two or more tables based on a related column between them.
• Inner Join: Returns rows when there is at least one match in both tables.

• Left Join: Returns all rows from the left table and the matched rows from the right table.

• Right Join: Returns all rows from the right table and the matched rows from the left table.

• Full Outer Join: Returns rows when there is a match in one of the ...read more
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Q6. Write a SQL query to print n'th highest salary with full details
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SQL query to retrieve the n'th highest salary with full details
• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to retrieve the n'th highest salary

• Join with the employee table to get full details
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Q7. What are late binding and early binding?
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Late binding and early binding are concepts in programming related to when the binding of a method to its implementation occurs.
• Early binding refers to the process of linking a method call to the method implementation at compile time.

• Late binding refers to the process of linking a method call to the method implementation at runtime.

• Early binding is also known as static binding, while late binding is also known as dynam...read more
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Q8. What is inheritance and explain each type
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, hierarchical inheritance, hybrid inheritance

• Single inheritance: a class inherits from only one base class

• Multiple inheritance: a class inherits from multiple base classes

• Multilevel inheritance: a class inherits ...read more
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Q1. Dimensions used in Data quality
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Dimensions used in data quality include accuracy, completeness, consistency, timeliness, and validity.
• Accuracy: ensuring data is correct and free from errors

• Completeness: ensuring all necessary data is present

• Consistency: ensuring data is uniform and matches across systems

• Timeliness: ensuring data is up-to-date and relevant

• Validity: ensuring data meets defined rules and standards
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Q2. Experience in working with Ataccama Data
Ans. 
I have 3 years of experience working with Ataccama Data Quality tools.
• Implemented data quality rules and workflows using Ataccama DQ Designer

• Performed data profiling and cleansing tasks with Ataccama DQ Analyzer

• Integrated Ataccama DQ with other data management tools like Informatica PowerCenter
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