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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

Interview Preparation Tips

Round: Technical Interview
Tips: Have a good grasp of DS algo, java, etc.(Here CGPA doesn't matter)

General Tips: Do’s and Don’ts :
1. Be confident and to be confident prepare well.
2. Set the priority of your companies 
3. Don't start preparation at end. Don't ignore the content of resume.

Be confident and start preparation as soon as possible.
College Name: IIT Kanpur

Software Developer Interview Questions & Answers

Visa user image Pranav Bhat Thirthahalli

posted on 3 Dec 2015

Interview Questionnaire 

14 Questions

  • Q1. What is race condition and how can it be eliminated
  • Ans. 

    Race condition is a situation where multiple threads/processes access and manipulate shared data simultaneously.

    • It can be eliminated by using synchronization techniques like locks, semaphores, and mutexes.

    • Another way is to use atomic operations that ensure the data is accessed and modified atomically.

    • Using thread-safe data structures can also prevent race conditions.

    • Example: Two threads trying to increment a shared var...

  • Answered by AI
  • Q2. What is JCube?
  • Ans. 

    JCube is a Java library for creating and manipulating Rubik's Cube puzzles.

    • JCube provides classes for representing Rubik's Cube puzzles and algorithms for solving them.

    • It supports various cube sizes and can generate random scrambles.

    • JCube can be used in Java applications or as a standalone command-line tool.

    • It is open source and available on GitHub.

  • Answered by AI
  • Q3. What is regression testing?
  • Ans. 

    Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.

    • It is performed after making changes to the software

    • It ensures that existing functionality is not affected by the changes

    • It helps to catch any defects or bugs that may have been introduced

    • It can be automated using testing tools

    • Examples include retesting after bug fixes, testing after new

  • Answered by AI
  • Q4. Discussion on different sorting techniques
  • Q5. Discussion on SQL and SQL optimisaion
  • Q6. Software engineering principles
  • Ans. 

    Software engineering principles are the best practices and guidelines for developing high-quality software.

    • Software should be designed with modularity and scalability in mind.

    • Code should be well-documented and easy to read.

    • Testing and debugging should be an integral part of the development process.

    • Version control should be used to manage code changes.

    • Security and privacy should be considered throughout the development

  • Answered by AI
  • Q7. Java and OOP's question
  • Q8. Define Singleton class
  • Ans. 

    A Singleton class is a class that can only have one instance at a time.

    • It restricts the instantiation of a class to a single object.

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

    • It is often used in situations where a single object is required to coordinate actions across a system.

    • Example: Database connection manager, Configuration manager, Logger manager.

  • Answered by AI
  • Q9. Explain Testing principles and Design principles
  • Ans. 

    Testing principles ensure software quality, while design principles guide software development.

    • Testing principles include unit testing, integration testing, and acceptance testing.

    • Design principles include SOLID, DRY, and KISS.

    • Testing principles ensure that software meets requirements and is free of defects.

    • Design principles guide software development to be modular, maintainable, and scalable.

  • Answered by AI
  • Q10. Types of machine learning and methods and examples, they may give you a situation and ask you which technique is good and why
  • Q11. Why choose you for VISA?
  • Ans. 

    I have the necessary skills, experience, and passion to contribute to VISA's success.

    • I have a strong background in software development and have worked on projects similar to those at VISA.

    • I am a quick learner and can adapt to new technologies and programming languages easily.

    • I am passionate about creating high-quality software that meets the needs of users and exceeds their expectations.

    • I am a team player and can work...

  • Answered by AI
  • Q12. Which profile is good for you?
  • Ans. 

    A profile that challenges me to learn and grow while allowing me to contribute to a team.

    • A position that encourages continuous learning and development

    • A role that allows me to collaborate with a team and contribute to projects

    • A company culture that aligns with my values and work ethic

  • Answered by AI
  • Q13. About the work culture at VISA Inc
  • Q14. If u already have a placement, why this company
  • Ans. 

    I am interested in exploring new opportunities and challenges that this company can offer.

    • I am impressed with the company's reputation and growth potential.

    • I am excited about the projects and technologies this company is working on.

    • I believe this company can provide me with a better work-life balance and career growth opportunities.

    • I am looking for a company culture that aligns with my values and goals.

    • I am open to exp...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Online Test on mettl.com
- 2 coding questions ( 15*2 = 30 marks ) - Moderate level
- 10 MCQs on Programming and Java ( 1*10 = 10)
- 6 MCQs on Machine Learning and Hadoop ( 1*6 = 6 )
- 6 MCQs on Computer Networks ( 1*6 = 6 )
- 6 MCQs on Computer Infrastructure and Architecture ( 1*6 = 6)
- 6 MCQs on Application security and Cryptography ( 1*6 = 6)
15 shortlisted from here including 8 B.Techs and 7 M.Techs for F2F interviews, which were taken by VISA employees from their US and Singapore offices( since they don't have any office at India ).

Round: Technical Interview
Experience: They may give you a situation and ask you to explain which Software engineering principles will you use. They ask you how will you explain the concept of stacks and queues to a 7 year old, or to a granny, so as to encourage programming(like seriously ? )

General Tips: Nothing as such, since this was my second on-campus placement, I had good experience of interviews.
Keep your fundamentals in all computer science subjects open. Unlike other companies they don't focus much on coding alone. The only other company which also looks at perfection in all computer science aspects is Xerox Research Center India.
Challenging and Equally rewarding, but seriously a unique experience with no much tension
Skills:
College Name: NIT Surathkal

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Visa user image Pranali Yawalkar

posted on 14 Dec 2015

Interview Questionnaire 

7 Questions

  • Q1. Discussion on my internships and course projects.
  • Q2. My field of interest, how well have I fared in it.
  • Q3. Design a mvc controller system where given a url, I am able to invoke the right controller. Eg, given "xyz.com/a/b/c", I should be able to invoke c controller by going through a and b
  • Q4. Design autocomplete in IDEs
  • Ans. 

    Autocomplete in IDEs helps developers write code faster by suggesting code snippets and completing code as they type.

    • Autocomplete should suggest code snippets based on the context of the code being written

    • Autocomplete should prioritize suggestions based on frequency of use

    • Autocomplete should also suggest variable and function names

    • Autocomplete should be customizable to allow for user-defined snippets and suggestions

    • Exa...

  • Answered by AI
  • Q5. What is my weakness
  • Ans. 

    My weakness is public speaking.

    • I tend to get nervous when speaking in front of large groups.

    • I am working on improving my public speaking skills by practicing and seeking feedback.

    • I have taken courses and attended workshops to help me overcome my fear of public speaking.

  • Answered by AI
  • Q6. Given 2 game scenarios for basketball, and given p as the probability of making a basket in an attempt, I have to understand the condition where game1 would be preferable over game2. In first game, I have ...
  • Ans. 

    Comparing 2 basketball game scenarios with different number of trials and baskets required to win

    • Calculate the probability of winning in each game scenario using binomial distribution formula

    • Compare the probabilities to determine which game scenario is preferable

    • In game1, the probability of winning is p. In game2, the probability of winning is the sum of probabilities of making 2 or 3 baskets

    • If p is high, game1 is pref...

  • Answered by AI
  • Q7. Given a dictionary of words, I have to go from one word to another in least number of transitions where a transition is a defined as changing any letter of the current word such that the new word is also i...

Interview Preparation Tips

Round: Test
Experience: The test was on hackerrank.
Tips: * Fast coding and problem solving required
* Time crunch
* The test is valued a LOT in the hiring process
Duration: 120 minutes
Total Questions: 4

Round: Technical Interview
Experience: Question 1 : He tried to take the discussion to web based technologies to which I straightly told I don’t know. Not sure if that was a good decision. Nevertheless, he went over my resume a lot of times and asked about various projects.
Question 2 : Discussed the various projects related to it.
Question 3 : He asked this question because I had worked on django during my FB internship. I proposed a tree based structure. xyz.com/a/b/c ---> b is child of a, c is child of b.

Question 4 : Next he moved to a very interesting question. Given a simple text editor, I want to facilitate autocomplete feature. We discussed about syntactic methods using language specific keywords. I suggested a trie based implementation which he liked. Later he asked me to improve and redirected me to using scope of the variables, and grammar of the language. We discussed about all the steps I did in language translators lab (macrojava -> minijava -> typechecking -> miniIR -> microIR -> miniRA ->Mips) where we built a Java compiler in Java. We later hopped back to original question and I suggested that we can use grammar to to store multiple (nested kind of) tries for different scope. He asked me how would I define “scope”. He gave me a scenario which helped me come up with the nested trie structure
int a;
{
int b;
{
int c; //a b c can be used
}
{
int d; //a b d can be used
}
}
He then asked me details of how I would code. I said we could use the respective visitors and maintain the current trie root for scope. He liked it but I missed at 2 places :
1. He asked me about token generation used in a compiler and I said flex and bison. I was expected to elaborate a bit.
2. He asked me how the grammar is generated and how the visitors are invoked. I couldn’t explain properly because I was not thorough with it.
Tips: * Keep smiling in the interviews.
* My interviewer had hopped from Microsoft to Visa. We had a short detailed discussion on how the transition was and what drove him to do that.
* It’s always good to know about the company to pick up interesting discussions, read up latest articles and news
* The interviewers want to see if you are passionate about what they are building. Their PPT (Pre Placement Talk) was also focussed majorly on the technologies they are building.
* If you take a question in a direction, make sure you are very very thorough with it. I took it in the direction of compilers, but couldn't make the transition seamlessly because I wasn't thorough with a lot of things (like token generation, visitor invocation).
* Not sure if telling upfront that you don't know about web technologies when you are applying for a profile that might need it is a good idea or not.


Round: Technical Interview
Experience: I think he was a senior person and spoke very passionately about the work that is happening in visa Bangalore office.

Question 1 : I said maybe I should have learnt a little about web based technologies. I think he was looking for a more generic answer.
Question 2 : I went ahead with calculating the expected score where my score random variable = 1 with probability p, and 0 with probability (1-p). I conditioned that expected score of game1 > game2 which would give me the range of p. I goofed up the equations twice but he said he liked my approach and I was just there

Question 3 : I suggested building a graph where a node is a word and an edge means a transition, and then performing BFS. He said that was obvious and that he was more interested in knowing how I build the graph. I suggested a method to reduce the number of string comparisons by storing a count vector with each word. Count vector is a 26 length vector where count[i] = number of times that letter occurs in the word. I would do string comparison to identify neighbours only if the difference in count vectors in 2. Eg, cot = cat - a + o. String comparison is still needed because of false positives. Eg, oct = cat - a + o but cat -> oct is not a valid transition. He liked my approach and asked me to code, discussed the complexity.
Tips: * Don't be naive around a senior engineer. Be confident.
* Explain your approach before going ahead solving it. I missed that in Q1 and for a long time he didn't know what I was heading towards.
* Write clean code, practice coding on paper to make sure you write compilable code. Shabby code is a turn off.
* Show passion for the company you are applying for.

General Tips: * Be friendly and keep smiling.
* Know about the company, well in detail. Recent news, articles, acquisitions, organisational changes, new offices, new product, etc.
* Know about the volume the company handles, certain mind boggling figures, what the company *does not* do
* If you are introducing yourself as an expert in a certain field, be prepared for questions like "How will you contribute to our company with your expertise" type of questions.
* Be very very thorough with every single thing you write on your resume. A small point you weren't sure about might become the basis of your whole interview. Don't write things you are unsure of, or have worked very little on.
Skill Tips: * I think I didn’t take Visa very seriously. I was assuming they won’t take a undergrad and they won’t take me because I have 0 knowledge in web based technologies. I might have acted a little cocky.
* They had nice pie diagrams which shows that they had done thorough research about each and every candidate based on resume and the coding test.
* They value the coding test a lot.
* Be very thorough with the projects you write on resume. They will give you a problem which won't be straightforward and will map onto one of your course projects. You are expected to do the mapping seamlessly. Every bit of the discussion you have with the interviewer can be your next problem.
* Brush up on web based technologies if you can.
* There will be a HR round as well if you clear the technical interviews.

Skills: Maths(esp Probability), Design, Passion, Web Technologies, Technical Skill And Speaking Skill, Coding Skills
College Name: IIT Madras
Motivation: * Been the leader since more than half a century, been through the technological revolution.
* Revolutionising payments architecture. Building something of greatest need, so elegant and optimised, yet producing such consistent performance.
* Keeping up with the need of the generation by introducing features which are brand new. Eg, “all-purpose credit card”.
* Loved their PPT (Pre Placement Talk). Volume of the data and processing is IMMENSE. Billions of transactions in a year voluming up to trillions. More than 200 countries in the world --> these stats are HUGE.
* Fraud detection is a space I would have loved to work on given that I come from a Data Mining background.

Funny Moments: Chucked out before HR round :P

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. Why would you like to join Visa and why?
  • Q2. Tell me about yourself

Interview Preparation Tips

Round: Test
Experience: Coding Questions were fairly standard ones.
Duration: 75 minutes
Total Questions: 42

Round: Interview
Experience: Networks based questions, firewalls, TCP/IP and other OSI layers

Round: Interview
Experience: Coding questions. Asked to code on paper. Questions on Object Oriented Design.

Skills: Networks basics, OOPs basics, Coding Skills
College Name: IIT Guwahati
Motivation: Profiles offered, Package, Location

Interview Preparation Tips

Round: Test
Experience: Questions on
1. Programming: 10 Questions2. Machine Learning Hadoop MCQ: 6 Questions3. Networking MCQ: 6 Questions4. Operating System: 6 Questions5. Infrastructure: 6 Questions6. Application Security: 6 Questions
Tips: Questions were simple , except sections 2,5 unless you have a basic idea about it.
Duration: 75 minutes
Total Questions: 34+2

Round: Technical Interview
Experience: – Projects, Internship– Asymmetric and Symmetric encryption with some real world usage– Concepts behind Digital Signature and Digital Certificates– Detailed discussion on HTTPS– Basic OS concepts : Threads, Mutex , Semaphores– Basic OOPS concepts : Virtual functions , Function overloading and overriding , encapsulation.
Tips: Focus on Network Security concepts !

Round: Technical Interview
Experience: – Projects , Internship– Some discussion on Testing and how you would design a unit test case and a complete project test case. Discussion on Automated Testing.– How does a Web application work.– Software Development Models– Discussion on interpreted language and compiled language– Some DBMS basics for efficiency :- Indexing viz. B+trees , Hashing.– Some discussion on Apple Pay , VbV (Verified by Visa) (informal)

Round: HR Interview
Experience: Basic HR questions !

General Tips: Confidence is the key along with sufficient coding practice both on the IDE and pen-paper.
Skills: Network Security, Programming, Algorithms, Operating System
College Name: IIT ROORKEE

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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3.1/5

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2.4

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2.3

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2.4

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