Fampay Software Engineer Interview Questions and Answers

3 dsa questions medium level

Q1. 2 medium level dp questions based on string and stocks
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Q2. One hard question based on graph
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Q1. Hr questions and java , springboot questions etc
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Test was based on arrays and some dsa concepts.

Coding and aptitude round

Q1. Tree dsa questions
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Q1. Horse race question
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Q1. Location specific question
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Q1. Projects, previous work , dsa and database
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Q1. System design , dsa
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Q1. Behavioural, system design
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Q1. General discussion , salary
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Three fundamental questions related to Data Structures and Algorithms.

Q1. 2Sum DSA leetcode problem
Ans. 
2Sum problem involves finding two numbers in an array that add up to a specific target.
• Use a hashmap to store the difference between the target and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target.
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Q2. Spiral traversal of a Binary tree
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Spiral traversal of a Binary tree involves visiting nodes level by level alternating between left to right and right to left.
• Start by pushing the root node into a queue.

• While the queue is not empty, pop a node, print its value, and push its children into the queue.

• Alternate between popping nodes from the queue and printing their values in a spiral manner.
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Q1. A problem similar to coin change problem of leetcode
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Q2. Aggressive cows problem
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The aggressive cows problem involves finding the maximum distance between cows in a field while ensuring they are not too close to each other.
• Use binary search to find the maximum distance between cows.

• Sort the cows' positions and check if a certain distance is feasible.

• Consider the constraints of the problem such as the number of cows and the size of the field.
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Q1. Basic behavioural questions like why I am looking for a change and would I be able to handle the increased work pressure as I was shifting from MNC to a startup
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Q1. What is Jmeter and what is used of it?
Ans. 
JMeter is a load testing tool used to measure the performance of web applications.
• JMeter can simulate heavy loads on a server, allowing testers to identify performance bottlenecks.

• It can be used to test the performance of web applications, FTP servers, databases, and more.

• JMeter can generate reports and graphs to help analyze test results.

• It supports various protocols including HTTP, FTP, JDBC, SOAP, and more.

• JMeter ca...read more
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Q2. What is Defect life cycle?
Ans. 
Defect life cycle is the process of identifying, reporting, prioritizing, fixing, and verifying defects in software.
• Defect is identified by testers during testing or reported by users

• Defect is logged in a defect tracking tool with details like severity, priority, etc.

• Defect is assigned to a developer for fixing

• Developer fixes the defect and marks it as resolved

• Tester verifies the fix and either closes the defect or reo...read more
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Q3. How to do Integration of excel in Jmeter?
Ans. 
Integration of Excel in JMeter can be done using the Apache POI library.
• Download and add the Apache POI library to JMeter's classpath.

• Create a Test Plan and add a Thread Group.

• Add a Sampler and choose the appropriate request type.

• Add a Listener and choose the appropriate output format.

• Use the POI classes to read or write data to Excel files.

• Use JMeter variables to pass data between requests.
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Q4. What is xpath locator?
Ans. 
Xpath locator is a way to locate elements in HTML/XML documents using path expressions.
• Xpath is a language used to navigate through elements and attributes in an XML document

• It uses path expressions to select nodes or sets of nodes in an XML document

• Xpath locators can be used in automated testing to locate elements on a web page

• Example: //input[@id='username'] selects the input element with id='username'
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To generate 5000 data in Excel and import in Jmeter, then fetch the data from excel and apply in post Api's request body.

Q1. What is postman and API?
Ans. 
Postman is a tool for testing APIs. An API is a set of protocols that allows communication between different software applications.
• Postman allows developers to test APIs by sending requests and receiving responses.

• API stands for Application Programming Interface and is a set of rules that allows different software applications to communicate with each other.

• APIs can be used to retrieve data from a server, update data o...read more
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Q2. Can we use only one method for all operations in API?
Ans. 
No, different methods are required for different operations in API.
• Different methods are required for different HTTP verbs like GET, POST, PUT, DELETE.

• Methods should be designed to perform specific actions like fetching data, updating data, etc.

• Using a single method for all operations can lead to confusion and errors.

• For example, using GET method for updating data can cause security issues.
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Q3. How to do UI automation?
Ans. 
UI automation can be done using tools like Selenium, Appium, and TestComplete.
• Identify the elements to be automated

• Choose the appropriate tool for the technology stack

• Write test scripts using the tool's API

• Execute the scripts and analyze the results

• Maintain the scripts as the UI changes
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Q4. What is database testing?
Ans. 
Database testing is the process of verifying the data stored in the database and ensuring its accuracy, completeness, and security.
• It involves testing the database schema, data integrity, data validation, and performance.

• Testers use SQL queries to retrieve and manipulate data for testing purposes.

• Database testing can be automated using tools like Selenium, JMeter, and TestComplete.

• Examples of database testing include t...read more
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Q5. Can you explain any one of your project?
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Q6. What is security testing?
Ans. 
Security testing is the process of identifying vulnerabilities and weaknesses in a software system to prevent unauthorized access.
• It involves testing the system for confidentiality, integrity, authentication, authorization, and availability.

• Common security testing techniques include penetration testing, vulnerability scanning, and risk assessment.

• Examples of security testing tools include Burp Suite, OWASP ZAP, and Nes...read more
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Javascript,html, CSS and MySQL

Q1. Basic NodeJs and MySQL questions,scenario-based technical questions and basic interview questions
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Q2. What is an event loop, The second highest from the table
Ans. 
An event loop is a programming construct that waits for and dispatches events or messages in a program.
• Event loop is commonly used in asynchronous programming to handle tasks like I/O operations without blocking the main thread.

• It continuously checks for events in a queue and processes them one by one.

• Examples of event loops include Node.js event loop for handling asynchronous operations in JavaScript.

• Event loop helps ...read more
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Q1. Basic nodejs and SQL queries question
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Q1. Basic interview question and technology based
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