Infosys Senior Associate Interview Questions and Answers

Q1. Linux Commands explained in details
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Q2. Explain kafka architecture
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Kafka architecture is a distributed streaming platform that is used for building real-time data pipelines and streaming applications.
• Kafka is designed to be distributed, fault-tolerant, and scalable.

• It consists of Producers, Brokers, and Consumers.

• Producers publish messages to Kafka topics, which are then stored in partitions on Brokers.

• Consumers subscribe to topics and pull messages from partitions.

• ZooKeeper is used f...read more
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Q1. Salesforce , Batchjob , trigger,
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Q2. Sync async process
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Sync processes execute tasks sequentially, while async processes allow tasks to run concurrently, improving efficiency.
• Synchronous processes block the execution until the current task is completed. Example: A user waits for a file to download before proceeding.

• Asynchronous processes allow other tasks to run while waiting for a task to complete. Example: A web application can fetch data from a server while the user cont...read more
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Q1. What is clear, free and refresh
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Clear, free, and refresh refer to a state of mind or environment that is uncluttered, unrestricted, and rejuvenating.
• Clear - refers to having a lack of clutter or confusion, being easy to understand or see clearly

• Free - refers to being unrestricted, having the ability to act or choose without limitations

• Refresh - refers to rejuvenating or revitalizing, providing a new sense of energy or clarity
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Q2. FM generated when lock object is created?
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FM is generated when a lock object is created to manage concurrent access to shared resources.
• FM stands for Function Module in SAP systems.

• Lock objects are used to manage concurrent access to shared resources in SAP systems.

• When a lock object is created, a Function Module (FM) is automatically generated to handle the locking mechanism.

• The FM generated for a lock object can be used to enforce exclusive access to the sha...read more
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Coding question on basic stack

Q1. Oops concept , spring boot
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Q2. Rest api, security
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Q1. What is React Router? Give one example by writing code.
Ans. 
React Router is a popular routing library for React applications.
• React Router helps in managing navigation and rendering of components in React applications.

• It allows for declarative routing using components like and .

• Example:
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Q2. Different types of hooks in react and use of lifecycle methods in class components?
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Hooks in React include useState, useEffect, useContext, etc. Lifecycle methods in class components include componentDidMount, componentDidUpdate, componentWillUnmount, etc.
• Hooks in React include useState, useEffect, useContext, useReducer, etc.

• useState: Used to add state to functional components.

• useEffect: Used to perform side effects in functional components.

• useContext: Used to access context in functional components.

• ...read more
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Q1. Execute code to create form and send data to child component in react js?
Ans. 
Use React to create a form and send data to a child component
• Create a form component in React

• Pass data from the form component to the parent component using props

• Send the data from the parent component to the child component as props
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Q1. Trigger questions contact Rollup,LWC basics,
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Q2. How to stop DMin Batch Apex
Ans. 
To stop DML Batch Apex, use System.abortJob() method.
• Use System.abortJob() method to stop the DML Batch Apex job.

• This method can be called from a trigger, a Visualforce page, a custom button, or a custom link.

• Example: System.abortJob(jobId);
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Q3. Security questions
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Q4. API Questions max callout time
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