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Infibeam Interview Questions and Answers

Updated 8 Feb 2023

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Analyst Interview Questions & Answers

user image Anonymous

posted on 3 Jul 2015

Interview Questionnaire 

19 Questions

  • Q1. How was your day?-Tell me about yourself
  • Ans. 

    My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.

    • I tackled several challenging tasks at work and made significant progress on each of them.

    • I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.

    • As for myself, I have a background in engineering and enjoy using my analytical skills to find cre...

  • Answered by AI
  • Q2. How to optimize the code that you had written in aptitude test - It was a discussion, he helped me in solving the problem
  • Ans. 

    Optimizing code involves identifying and removing bottlenecks to improve performance.

    • Identify the parts of the code that are taking the most time to execute

    • Use efficient algorithms and data structures

    • Minimize the number of function calls and loops

    • Avoid unnecessary calculations or operations

    • Use caching or memoization to avoid repeating calculations

    • Profile the code to measure performance improvements

  • Answered by AI
  • Q3. Now write an optimized version of that code
  • Ans. 

    Optimized version of given code

    • Use efficient data structures and algorithms

    • Avoid unnecessary loops and conditions

    • Minimize function calls and variable assignments

  • Answered by AI
  • Q4. How was your day?-Tell me about yourself?
  • Ans. 

    My day was productive and fulfilling. As for myself, I am a driven and detail-oriented individual with a passion for problem-solving.

    • I tackled several challenging tasks at work and made significant progress on each of them.

    • I also took some time to exercise and clear my mind, which helped me stay focused throughout the day.

    • As for myself, I have a background in engineering and enjoy applying my analytical skills to a var...

  • Answered by AI
  • Q5. Which language do you prefer to code in? "Have you read The C Programming Language book by Dennis Retchie?" Which technical book have you read recently?.-So you like C, have you ever thought of bringing up...
  • Ans. 

    Yes, I prefer coding in C and have read The C Programming Language book. I have also explored the concept of Inheritance in C.

    • I find C to be a powerful and efficient language for system programming.

    • Yes, I have read The C Programming Language book by Dennis Retchie and found it to be a great resource.

    • Recently, I have been exploring the concept of Inheritance in C through various online resources and tutorials.

    • While C do...

  • Answered by AI
  • Q6. What is the reason behind inventing the concept of inheritance? Write a program and explain
  • Ans. 

    Inheritance allows a class to inherit properties and methods from another class.

    • Inheritance promotes code reusability and saves time and effort in programming.

    • It allows for the creation of a hierarchy of classes with shared characteristics.

    • For example, a class Animal can be inherited by classes such as Dog, Cat, and Bird, which share common properties and methods.

    • Inheritance can be implemented using the 'extends' keywo

  • Answered by AI
  • Q7. What is Liskov substitution principle?
  • Ans. 

    Liskov substitution principle is a principle in object-oriented programming that states that objects of a superclass should be able to be replaced with objects of its subclasses without affecting the correctness of the program.

    • Subtypes must be substitutable for their base types

    • Derived classes must not change the behavior of the base class

    • Violating the principle can lead to unexpected behavior and errors

    • Example: A squar...

  • Answered by AI
  • Q8. Explain OOPs concepts with a program for each
  • Ans. 

    Explanation of OOPs concepts with programs

    • Encapsulation: Wrapping data and functions into a single unit. Example: Class in Java

    • Abstraction: Hiding implementation details and showing only necessary information. Example: Abstract class in C#

    • Inheritance: Acquiring properties and behavior of a parent class. Example: Child class extending parent class in Python

    • Polymorphism: Ability of an object to take many forms. Example:

  • Answered by AI
  • Q9. Write a code for dynamic polymorphism
  • Ans. 

    Dynamic polymorphism is achieved through virtual functions and inheritance in object-oriented programming.

    • Create a base class with virtual functions

    • Create derived classes that override the virtual functions

    • Use pointers or references of the base class to call the virtual functions

    • The appropriate derived class function will be called based on the object being pointed to or referred to

  • Answered by AI
  • Q10. What is the drawback of global variables?
  • Ans. 

    Global variables can lead to unexpected changes and make debugging difficult.

    • Global variables can be accessed and modified from any part of the code, making it difficult to track changes.

    • They can cause naming conflicts if multiple variables with the same name are used in different parts of the code.

    • Using global variables can make it harder to test and debug code, as it can be difficult to isolate the cause of errors.

    • Th...

  • Answered by AI
  • Q11. Why using 'goto' is a bad programming practice?
  • Ans. 

    Using 'goto' can make code hard to read, maintain and debug.

    • Goto statements can create spaghetti code that is difficult to follow.

    • It can make it harder to understand the flow of the program.

    • It can also make debugging more difficult.

    • There are usually better alternatives to using goto, such as using loops or functions.

    • Some programming languages, such as Java and Python, do not even have a goto statement.

    • Using goto can al...

  • Answered by AI
  • Q12. Which is your favourite subject? Why? Name a book for that subject
  • Ans. 

    My favorite subject is history because it helps me understand the present and learn from the past.

    • I enjoy learning about different cultures and how they have evolved over time

    • I find it fascinating to study the causes and effects of major historical events

    • One of my favorite books on history is 'Guns, Germs, and Steel' by Jared Diamond

  • Answered by AI
  • Q13. Bring modularity in the code that you had written in aptitude test
  • Q14. Told me to make changes as per his wishes in that code-What is DRY in software engineering?
  • Q15. Gave a puzzle (find the heaviest ball amongst 8 balls in an optimized way). Tell the logic and write code for it.-write Create, Update, Delete, Insert, Select, Join SQL queries for a given problem
  • Q16. Asked me one sentence questions about the technologies that I had mentioned in resume... What is..... HTML, CSS, JQuery, JSP?
  • Q17. What are implicit objects in JSP?
  • Ans. 

    Implicit objects are pre-defined objects in JSP that can be accessed without being explicitly declared.

    • Implicit objects are created by the JSP container during the translation phase.

    • They can be accessed using predefined names such as request, response, session, application, out, pageContext, config, and exception.

    • For example, the request object can be used to retrieve parameters from a form or URL.

    • The session object ca...

  • Answered by AI
  • Q18. Name a web server and an application server
  • Ans. 

    Apache is a popular web server and Tomcat is a widely used application server.

    • Apache is an open-source web server that supports multiple operating systems and is known for its stability and security.

    • Tomcat is a Java-based application server that is used to deploy Java web applications and supports servlets and JSPs.

    • Other popular web servers include Nginx and Microsoft IIS.

    • Other popular application servers include JBoss...

  • Answered by AI
  • Q19. How to deploy web application on apache tomcat?-What is Collections in Java?
  • Ans. 

    To deploy a web application on Apache Tomcat, the application needs to be packaged as a WAR file and then deployed to the Tomcat server.

    • Create a WAR file of the web application

    • Copy the WAR file to the Tomcat webapps directory

    • Start the Tomcat server

    • Access the web application using the URL http://localhost:8080/

    • Collections in Java are classes that implement collections of objects, such as lists, sets, and

  • Answered by AI

Interview Preparation Tips

College Name: IIT MADRAS

Skills evaluated in this interview

Top Infibeam Analyst Interview Questions and Answers

Q1. Which language do you prefer to code in? "Have you read The C Programming Language book by Dennis Retchie?" Which technical book have you read recently?.-So you like C, have you ever thought of bringing up the concept of Inheritance in C?
View answer (1)

Analyst Interview Questions asked at other Companies

Q1. N-th Fibonacci Number Problem Statement Given an integer ‘N’, your task is to find and return the N’th Fibonacci number using matrix exponentiation. Since the answer can be very large, return the answer modulo 10^9 + 7. Formula: F(n) = F(n-... read more
View answer (1)

UI Developer Interview Questions & Answers

user image Anonymous

posted on 8 Feb 2023

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Job Portal and was interviewed in Aug 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. There was a html and css basic questions with senior developer
Round 3 - Assignment 

One figma file was shared and asked to convert to html infront of senior developer and round took 1hr

Round 4 - One-on-one 

(1 Question)

  • Q1. Javascript round with corr javascript questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Offer not released after completing all the rounds

UI Developer Interview Questions asked at other Companies

Q1. Create 10 no. of Checkboxes in javascript and on-checked checkboxes count should be show at below. as you will un-check the checkbox count should also change. so means to say checked checkbox count should be print.
View answer (1)

I applied via Approached by Company

Round 1 - HR 

(1 Question)

  • Q1. Why are you looking for a change?

Interview Preparation Tips

Interview preparation tips for other job seekers - Hi my name is Tushar Manohar Penkar. I have 11 years work experience. My last Qualification is F.Y.B.com.

Assistant Manager Warehouse Interview Questions asked at other Companies

Q1. What is 5S rule and what they have
View answer (2)

I applied via Referral

Interview Questionnaire 

13 Questions

  • Q1. I was asked to derive the time complexity of my code from the written test. It was to print the elements of a binary tree in spiral order
  • Q2. Program to swap two pointers
  • Ans. 

    A program to swap two pointers.

    • Declare two pointers of the same data type

    • Assign the first pointer to a temporary variable

    • Assign the second pointer to the first pointer

    • Assign the temporary variable to the second pointer

  • Answered by AI
  • Q3. Program to determine whether a given binary tree is binary search tree. I was asked to solve this in two different ways
  • Q4. Two DBMS queries involving aggregate functions
  • Q5. Program to implement Dijkstra’s algorithm
  • Ans. 

    Dijkstra's algorithm finds shortest path between nodes in a graph

    • Create a graph with nodes and edges

    • Initialize distances from source node to all other nodes as infinity

    • Set distance from source node to itself as 0

    • Create a set of unvisited nodes

    • While unvisited set is not empty, select node with minimum distance

    • For each neighbor of selected node, calculate distance from source node

    • If calculated distance is less than curre...

  • Answered by AI
  • Q6. Program to implement Floyd­Warshall’s agorithm
  • Ans. 

    Floyd-Warshall's algorithm is used to find the shortest path between all pairs of vertices in a weighted graph.

    • Create a 2D array to store the distances between all pairs of vertices.

    • Initialize the array with the weights of the edges in the graph.

    • Use nested loops to iterate over all pairs of vertices and update the distances if a shorter path is found through a third vertex.

    • The final array will contain the shortest dist

  • Answered by AI
  • Q7. Program to print the elements of a matrix in spiral order recursively
  • Ans. 

    Program to print matrix elements in spiral order recursively

    • Create a recursive function to print the elements in spiral order

    • Define the boundaries of the matrix and traverse the matrix in spiral order

    • Call the recursive function to print the elements in spiral order

    • Handle edge cases such as empty matrix or matrix with only one row/column

  • Answered by AI
  • Q8. Given an unsorted array of numbers, find two numbers which add up to the given sum in O(n)
  • Ans. 

    Find two numbers in an unsorted array that add up to a given sum in O(n)

    • Use a hash table to store the difference between the sum and each element in the array

    • Iterate through the array and check if the current element is in the hash table

    • If it is, return the current element and the corresponding difference

    • If not, add the current element to the hash table

  • Answered by AI
  • Q9. Explain indexing in DBMS
  • Ans. 

    Indexing is a technique used in DBMS to improve the performance of queries.

    • Indexing creates a separate data structure that allows faster retrieval of data.

    • It works by creating a pointer to the location of data in the table.

    • Indexes can be created on one or more columns of a table.

    • Types of indexing include B-tree, hash, and bitmap indexing.

    • Indexes can also be clustered or non-clustered.

    • Clustered indexes determine the phy...

  • Answered by AI
  • Q10. Explain B and B+ trees
  • Ans. 

    B and B+ trees are data structures used for efficient searching and sorting of large datasets.

    • B trees are balanced trees used for disk-based storage systems.

    • B+ trees are similar to B trees but have all data stored in the leaf nodes for faster searching.

    • B trees have a variable number of keys per node, while B+ trees have a fixed number.

    • B trees have a higher fanout than B+ trees, making them more efficient for smaller da...

  • Answered by AI
  • Q11. Given a binary tree, write a program to determine whether there exists a root to leaf path having the given sum
  • Q12. Program to find the lowest common ancestor of two nodes in binary search tree as well as binary tree. I was also asked to give the brute force approach for the same
  • Ans. 

    Program to find lowest common ancestor of two nodes in binary search tree and binary tree with brute force approach.

    • For binary search tree, traverse from root to both nodes and store the path. Then compare paths to find LCA.

    • For binary tree, traverse from root to both nodes and store the path. Then compare paths to find LCA.

    • Brute force approach involves checking each node's descendants to see if they contain both nodes.

    • ...

  • Answered by AI
  • Q13. Program to print all ancestors of a node in a binary tree
  • Ans. 

    Program to print all ancestors of a node in a binary tree

    • Create a recursive function to traverse the binary tree

    • Check if the current node is the target node

    • If yes, print all the nodes in the call stack

    • If not, recursively call the function for left and right subtrees

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

Top Infibeam Software Engineer Interview Questions and Answers

Q1. Program to find the lowest common ancestor of two nodes in binary search tree as well as binary tree. I was also asked to give the brute force approach for the same
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (211)

Infibeam interview questions for popular designations

 UI Developer

 (1)

 Analyst

 (1)

 Software Engineer

 (1)

 Assistant Manager Warehouse

 (1)

Interview questions from similar companies

I appeared for an interview in Jun 2017.

Interview Questionnaire 

11 Questions

  • Q1. How does ajax call work
  • Ans. 

    Ajax calls allow for asynchronous communication between client and server without reloading the page.

    • Ajax stands for Asynchronous JavaScript and XML

    • Uses XMLHttpRequest object to send and receive data

    • Allows for partial page updates without reloading the entire page

    • Can handle data in various formats such as JSON, XML, HTML, and plain text

    • Example: $.ajax({url: 'example.com', success: function(data){console.log(data)}});

  • Answered by AI
  • Q2. Difference between REST and SOAP
  • Ans. 

    REST is lightweight and uses HTTP while SOAP is XML-based and has more features.

    • REST uses HTTP methods like GET, POST, PUT, DELETE while SOAP uses XML messaging.

    • REST is stateless while SOAP can maintain state.

    • REST is faster and easier to use while SOAP is more secure and reliable.

    • REST is used for web services while SOAP is used for enterprise-level services.

    • Example of REST: Twitter API. Example of SOAP: Amazon Web Serv

  • Answered by AI
  • Q3. What is GET and POST
  • Ans. 

    GET and POST are HTTP methods used for sending data to a server.

    • GET is used to retrieve data from a server

    • POST is used to submit data to a server

    • GET requests can be cached and bookmarked

    • POST requests are not cached and cannot be bookmarked

    • GET requests have length restrictions

    • POST requests have no length restrictions

    • GET requests are less secure than POST requests

  • Answered by AI
  • Q4. What is observer pattern
  • Ans. 

    Observer pattern is a design pattern in which an object maintains a list of its dependents and notifies them automatically of any state changes.

    • Also known as publish-subscribe pattern

    • Used in event-driven systems

    • Allows loose coupling between objects

    • Example: A weather station broadcasts weather updates to multiple displays

    • Example: A stock market ticker notifies multiple investors of stock price changes

  • Answered by AI
  • Q5. What is singleton
  • Ans. 

    Singleton is a design pattern that restricts the instantiation of a class to a single object.

    • Singleton ensures that only one instance of a class exists in the entire application.

    • It provides a global point of access to the instance.

    • Commonly used in scenarios where a single instance needs to coordinate actions across the system.

    • Example: Database connection manager, logger, configuration manager.

  • Answered by AI
  • Q6. What is immutable in java
  • Ans. 

    Immutable in Java refers to objects whose state cannot be changed after creation.

    • String, Integer, and other wrapper classes are immutable in Java.

    • Immutable objects are thread-safe and can be shared without synchronization.

    • To create an immutable class, make all fields final and private, and don't provide setters.

    • Examples of immutable classes in Java include LocalDate, LocalTime, and LocalDateTime.

  • Answered by AI
  • Q7. How do you create immutable in java
  • Ans. 

    Creating immutable in Java

    • Use final keyword to make variables immutable

    • Use private constructor to prevent object modification

    • Use defensive copying to prevent modification of mutable objects

    • Use enum to create immutable objects

    • Use String class to create immutable strings

  • Answered by AI
  • Q8. Where have you used immutable in java
  • Q9. What is dependency injection
  • Ans. 

    Dependency injection is a design pattern that allows objects to receive dependencies rather than creating them internally.

    • It helps to decouple the code and makes it more testable and maintainable.

    • It allows for easier swapping of dependencies without changing the code.

    • There are three types of dependency injection: constructor injection, setter injection, and interface injection.

    • Example: Instead of creating a database co...

  • Answered by AI
  • Q10. What is CORS
  • Ans. 

    CORS stands for Cross-Origin Resource Sharing. It is a security feature implemented in web browsers to restrict access to resources from different origins.

    • CORS allows web servers to specify which origins are allowed to access its resources

    • It is implemented using HTTP headers

    • CORS prevents malicious websites from accessing sensitive data from other websites

    • Examples of resources that may be restricted by CORS include cook

  • Answered by AI
  • Q11. How do you overcome CORS
  • Ans. 

    CORS can be overcome by configuring the server to allow cross-origin requests.

    • Configure the server to include the Access-Control-Allow-Origin header

    • Use JSONP (JSON with Padding) to bypass CORS restrictions

    • Use a proxy server to make the request on behalf of the client

    • Use a browser extension to disable CORS restrictions during development

    • Use a server-side proxy to forward requests to the target server

  • Answered by AI

Interview Preparation Tips

Skills: Java Programming

Skills evaluated in this interview

I appeared for an interview in Dec 2017.

Interview Questionnaire 

3 Questions

  • Q1. You need to find the maximum water pond formed in bw the building
  • Ans. 

    To find the maximum water pond formed between buildings.

    • Identify the lowest point between the buildings.

    • Calculate the area of the pond using the distance between the buildings and the depth of the pond.

    • Consider any obstacles or uneven ground that may affect the pond's shape.

    • Use a surveying tool or satellite imagery to get accurate measurements.

    • Take into account any drainage systems or natural water flow that may affect

  • Answered by AI
  • Q2. On mars you have to place n robots and they are connected via GPS. now you need to move each robot such that the whole mars is visited and each robot visit the minimum area(meaning no overlapping of area)...
  • Q3. Design dictionary using trie....having operations of inserting a word, updating and deleting (needed to write full running code)
  • Ans. 

    Design a dictionary using trie with insert, update and delete operations.

    • Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word

    • For insert operation, traverse the trie and add nodes for each character in the word

    • For update operation, delete the existing word and insert the updated word

    • For delete operation, mark the end of word flag as false and delete the node if it ...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3

College Name: IIT Guwahati

Skills evaluated in this interview

I appeared for an interview before Apr 2021.

Round 1 - Face to Face 

(4 Questions)

Round duration - 45 minutes
Round difficulty - Easy

This was a technical interview round.

  • Q1. How does AJAX work?
  • Ans. 

    AJAX allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes.

    • AJAX stands for Asynchronous JavaScript and XML.

    • It allows web pages to update content without reloading the entire page.

    • AJAX uses XMLHttpRequest object to send and receive data from a server.

    • Commonly used in web applications to provide a more responsive user experience.

  • Answered by AI
  • Q2. What is the difference between SOAP and REST?
  • Ans. 

    SOAP is a protocol, while REST is an architectural style for web services.

    • SOAP is a protocol that uses XML for message format and relies on a request-response model.

    • REST is an architectural style that uses standard HTTP methods like GET, POST, PUT, DELETE.

    • SOAP is more rigid and requires more bandwidth, while REST is lightweight and flexible.

    • SOAP has built-in security features like WS-Security, while REST relies on exte...

  • Answered by AI
  • Q3. What is the difference between GET and POST methods in APIs?
  • Ans. 

    GET is used to request data from a server, while POST is used to submit data to a server.

    • GET requests data from a specified resource, while POST submits data to be processed to a specified resource.

    • GET requests are cached by browsers, while POST requests are not.

    • GET requests can be bookmarked and shared, while POST requests cannot.

    • GET requests have length restrictions, while POST requests do not.

    • Example: Using GET to r...

  • Answered by AI
  • Q4. What is the Observer Pattern?
  • Ans. 

    The Observer Pattern is a behavioral design pattern where an object (subject) maintains a list of dependents (observers) that are notified of any state changes.

    • Allows for one-to-many dependency between objects

    • When the subject's state changes, all observers are automatically notified and updated

    • Commonly used in event handling systems and GUI frameworks

  • Answered by AI
Round 2 - Face to Face 

(4 Questions)

Round duration - 40 minutes
Round difficulty - Easy

This was the second technical interview round.

  • Q1. What is a singleton class?
  • Ans. 

    A singleton class is a class that can only have one instance created throughout the entire application.

    • Singleton classes have a private constructor to prevent multiple instances from being created.

    • They typically provide a static method to access the single instance.

    • Commonly used for logging, database connections, and configuration settings.

  • Answered by AI
  • Q2. What is meant by immutability in Java?
  • Ans. 

    Immutability in Java refers to the property of objects whose state cannot be changed once they are created.

    • Immutability ensures that once an object is created, its state cannot be modified.

    • Immutable objects are thread-safe and can be shared without the risk of data corruption.

    • String class in Java is an example of an immutable class.

    • To create an immutable class, make the class final, all fields private, and provide only

  • Answered by AI
  • Q3. What is dependency injection?
  • Ans. 

    Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.

    • Allows for easier testing by providing mock dependencies

    • Promotes loose coupling between components

    • Improves code reusability and maintainability

    • Examples: Constructor injection, Setter injection, Interface injection

  • Answered by AI
  • Q4. How do you create an immutable class in Java?
  • Ans. 

    To create an immutable class in Java, make the class final, make all fields private and final, provide only getter methods, and do not provide any setter methods.

    • Make the class final to prevent inheritance.

    • Make all fields private and final to prevent modification.

    • Provide only getter methods to access the fields.

    • Do not provide any setter methods to modify the fields.

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAVisa interview preparation:Topics to prepare for the interview - Java, AJAX, Web Development, Node js, DSA, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Apr 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions on DSA.

  • Q1. 

    Stock Buy and Sell Problem Statement

    You are given an array of integers PRICES where PRICES[i] represents the price of a stock on the i-th day, and an integer K representing the number of transactions you...

  • Ans. 

    Determine maximum profit with at most K transactions by buying and selling stocks on given days.

    • Iterate through the array of prices while keeping track of the maximum profit achievable with at most K transactions.

    • Use dynamic programming to store the maximum profit at each day and transaction count.

    • Consider buying and selling stocks at each day to calculate the maximum profit.

    • Return the maximum profit achievable with at

  • Answered by AI
  • Q2. 

    Sorted Order Printing of a BST Array

    Given a Binary Tree consisting of 'N' nodes with integer values, your task is to determine the in-order traversal of the Binary Tree.

    Input:

    The first line contains ...
  • Ans. 

    The task is to determine the in-order traversal of a Binary Tree given in level order.

    • Implement a function to perform in-order traversal of a Binary Tree

    • Use recursion to traverse left subtree, visit root, and then traverse right subtree

    • Handle null nodes denoted by -1 in the input

  • Answered by AI
Round 2 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAVisa interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Sep 2016. There were 4 interview rounds.

Interview Questionnaire 

7 Questions

  • Q1. Tell me about yourself
  • Ans. 

    I am a passionate software developer with experience in Java, Python, and web development.

    • Experienced in Java, Python, and web development technologies

    • Strong problem-solving skills

    • Team player with excellent communication skills

  • Answered by AI
  • Q2. Explain your resume
  • Ans. 

    My resume highlights my experience in software development and showcases my skills in various programming languages and technologies.

    • Worked on multiple projects using Java, Python, and C++

    • Developed web applications using HTML, CSS, and JavaScript

    • Experience with databases such as MySQL and MongoDB

    • Familiarity with Agile methodology and version control systems like Git

    • Participated in hackathons and coding competitions

  • Answered by AI
  • Q3. Questions on projects mentioned
  • Q4. Why do you want to go for VISA?
  • Ans. 

    I want to go for VISA to explore new opportunities and gain international experience.

    • To gain exposure to different cultures and work environments

    • To expand my skill set and learn new technologies

    • To work on challenging projects and contribute to the growth of the company

    • To build a global network of professionals and enhance my career prospects

  • Answered by AI
  • Q5. Code a basic binary tree
  • Ans. 

    A binary tree is a data structure in which each node has at most two children.

    • Start with a root node

    • Each node has a left and right child

    • Nodes can be added or removed

    • Traversal can be done in-order, pre-order, or post-order

  • Answered by AI
  • Q6. Code a basic linked list
  • Ans. 

    Code a basic linked list

    • Create a Node class with data and next pointer

    • Create a LinkedList class with head pointer

    • Implement methods to add, delete, and search nodes in the linked list

  • Answered by AI
  • Q7. Code a circular linked list
  • Ans. 

    A circular linked list is a data structure where the last node points back to the first node, forming a loop.

    • Create a Node class with data and next pointer

    • Initialize the head node and set its next pointer to itself

    • To add a node, create a new node and set its next pointer to the head node's next pointer, then update the head node's next pointer to the new node

    • To traverse the circular linked list, start from the head nod...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: It was a programming test hosted on hackerrank. A total of 3 questions. I could solve only one of them. That too only a few test cases. Still got shortlisted for the next round. :)
Tips: Do practice a few challenges on programming platforms. Brush up your programming knowledge.
Total Questions: 3

Round: Technical Interview
Experience: It was an HR cum Technical round for me as I came from a non CS background. I was able to convince them I am a perfect fit for VISA
Tips: Do prepare your resume well. If you have coding projects, make sure you are clear with whatever you write. They might quiz you hard on them. Strong knowledge on Data structures and Algorithms will give you an edge.

Skills: Presentation Of Facts In Resume, Basic Coding, Communication, Algorithms And Data Structures
Duration: 2
College Name: IIT Madras
Funny Moments: I am a part of the sponsorship team of our technical and VISA was an associate sponsor for the same the previous year. Hence I had specified this fact in my interview. :P

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

7 Questions

  • Q1. Given an array, Implement Binary search tree
  • Ans. 

    Implement Binary Search Tree using given array of strings.

    • Sort the array in ascending order

    • Find the middle element and make it the root of the tree

    • Recursively create left and right subtrees using the left and right halves of the array

    • Repeat until all elements are added to the tree

  • Answered by AI
  • Q2. Given the above Binary search tree, print in ascending order
  • Ans. 

    Print the given Binary search tree in ascending order

    • Traverse the left subtree recursively

    • Print the root node

    • Traverse the right subtree recursively

  • Answered by AI
  • Q3. Given an array of stock prices, find where to buy and where to sell for maximum profit in O(n)
  • Ans. 

    Find buy and sell points for maximum profit in an array of stock prices in O(n)

    • Iterate through the array and keep track of the minimum price seen so far

    • Calculate the profit at each index by subtracting the minimum price from the current price

    • Update the maximum profit and buy/sell points accordingly

    • Return the buy and sell points for maximum profit

  • Answered by AI
  • Q4. Resume based
  • Q5. What are three problems Chennai faces?
  • Ans. 

    Chennai faces problems related to water scarcity, traffic congestion, and pollution.

    • Water scarcity due to inadequate rainfall and poor management of water resources.

    • Traffic congestion due to the increasing number of vehicles and poor road infrastructure.

    • Pollution caused by industries, vehicular emissions, and improper waste disposal.

  • Answered by AI
  • Q6. Which one would you solve and how and why?
  • Ans. 

    Need more context on the question to provide an answer.

    • Please provide more information on the problem to be solved.

    • Without context, it is difficult to provide a solution.

    • Can you please provide more details on the problem statement?

  • Answered by AI
  • Q7. What is most interesting thing about Visa?
  • Ans. 

    Visa is a global payments technology company that connects consumers, businesses, banks and governments in more than 200 countries and territories.

    • Visa operates the world's largest retail electronic payments network.

    • VisaNet, the company's global processing system, handles more than 65,000 transaction messages a second.

    • Visa is constantly innovating to improve payment security and convenience, with initiatives such as Vi...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: 4 Coding questions on Hackerrank platform, one and half hour time. I am not going to reveal the questions here, but one was a basic binary tree implementation and the other three were algorithmic and mathematical problems. They were kinda hard to solve in an hour and half. I could do only 1 and half of the other one. I got 115/300 points on that. I was one of the 16 people selected for the interview.
Tips: It all depends on how well you can focus on the test day. Just practice a lot on hackerrank.
Duration: 1 hour 30 minutes
Total Questions: 4

Round: Technical Interview
Experience: The first two questions I was able to do fast enough. I was also asked a few questions on my resume and coding-related internship. The last one, I showed an O(n*n) algorithm first and then modified it to O(n). Around 45 minutes.
Tips: Be thorough on the coding part in your resume. Think out aloud!

Round: Technical + HR Interview
Experience: Just a few normal questions regarding my projects and my favorite course and it's application to Visa. 15 minutes.
Tips: Once again, be thorough on your resume.

Round: HR Interview
Experience: Once again a normal round, just random questions as to whether I am interested and good enough in communication. 15 minutes.
Tips: Don't get shaken. Be ready for all kinds of questions. Especially about Visa relation to what you do

Skills: Smart Coding
College Name: IIT Madras

Skills evaluated in this interview

Infibeam Interview FAQs

How many rounds are there in Infibeam interview?
Infibeam interview process usually has 2-3 rounds. The most common rounds in the Infibeam interview process are One-on-one Round, HR and Resume Shortlist.
What are the top questions asked in Infibeam interview?

Some of the top questions asked at the Infibeam interview -

  1. Which language do you prefer to code in? "Have you read The C Programming Langu...read more
  2. How to optimize the code that you had written in aptitude test - It was a disc...read more
  3. What is the reason behind inventing the concept of inheritance? Write a program...read more

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