Infosys Interview Questions, Process, and Tips

Q1. Basic spring boot questions
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Q2. Diff btw interface and abstract
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Q1. Agile ,sprints,
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Q2. Details about project
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I was provided with 2 DSA questions, and was given an option to pick one and solve in 45 mins duration. Since there were some problems in opening my coding assessment link, interviewer provided both questions in virtual meet chat.
Question1 - you are given N(len of arrays), X(int), Y(int), Z(int), A(int[]), B(int[]), sum = 0 and 3 arithmetic operations that can be performed using A, B, X, Y, Z upon sum. Any operations including X, Y, Z is possible only when their values are greater than 0. After N iterations you have to obtain the maximum sum value that can be obtained.
Question2 - Find K-most frequent element in an array

Q1. Provided a time&date API, asked to display the time on screen and update it every second like a clock using react.
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Q2. Design a promise wrapper that accepts two parameters - a promise function and integer timeout value. If the promise function resolve before timeout, resolve it else reject it.
Ans. 
Design a promise wrapper with timeout for resolving or rejecting a promise function.
• Create a function that takes a promise function and timeout value as parameters.

• Inside the function, create a new Promise that wraps the original promise function.

• Use Promise.race to race between the original promise and a timeout promise.

• If the original promise resolves before timeout, resolve the wrapper promise with the result.

• If the...read more
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Q3. Pros and cons of Monolith and microservice architecture.
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Monolith vs microservice architecture pros and cons
• Monolith: easier to develop and test, simpler deployment process

• Monolith: can be harder to scale and maintain as it grows

• Microservices: scalable and flexible, easier to update and maintain

• Microservices: complex to develop and deploy, requires more monitoring and management

• Example: Monolith - traditional web applications, Example: Microservices - Netflix, Amazon
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Q1. Asked mostly about project worked in 2 year
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Q2. Asked about month end and what all I worked kn
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Q3. A critical issue solved
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Q4. Interfaces worked on any? Explained about concur
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Q5. Accrual defferals
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Q1. Find Xpath for given webpage?
Ans. 
Xpath is a way to locate elements on a webpage using their HTML structure.
• Use Chrome DevTools to inspect elements and generate Xpath

• Start with double slash // to search the entire document

• Use attributes like id, class, text, etc. to narrow down the search

• Avoid using absolute Xpath as it can break easily
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Q2. Explain about Java OOPS concepts?
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Java OOPS concepts are the foundation of object-oriented programming in Java, including classes, objects, inheritance, polymorphism, encapsulation, and abstraction.
• Classes: Blueprint for creating objects, can have fields, methods, constructors, etc.

• Objects: Instances of classes, encapsulate data and behavior.

• Inheritance: Allows a class to inherit properties and behavior from another class.

• Polymorphism: Ability to prese...read more
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Q1. Basic questions of ABAP and debugging
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Q2. HR will ask whatever you are mentioned in the resume
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Q3. Alv, basic report, Smart forms, scripts, Enhancements, BDC, bapi
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Q1. In depth about what you done in the project
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Q2. Explain how to create OData and activate odata.
Ans. 
Creating and activating OData involves defining data models and enabling services in SAP Gateway.
• Define data model using transaction code SEGW in SAP Gateway

• Create entity types, entity sets, and associations in the data model

• Implement service provider class and define CRUD operations for entities

• Activate OData service using transaction code /IWFND/MAINT_SERVICE

• Assign the service to a system alias and publish the servic
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Q3. About t codes, how to create background job and how to debug
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Q4. Explain TMG, authentication t code
Ans. 
TMG is a Microsoft Forefront Threat Management Gateway used for secure web access. Authentication t code is a two-factor authentication method.
• TMG is a firewall and secure web gateway product developed by Microsoft.

• It provides protection against malware, spam, and other internet threats.

• Authentication t code is a two-factor authentication method where users enter a code along with their password for added security.

• Exam...read more
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Q1. Salary discussion
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Q2. Prefered location
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Q1. Question were based on js
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Q2. And react js, html, css, redux
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Q1. Some project related question
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Q2. Some technical questions were asked
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