FTD Infocom Software Manager Interview Questions and Answers

Q1. 2 sum in array
Ans. 
The Two Sum problem involves finding two numbers in an array that add up to a given target value.
• Iterate through the array and store the difference between the target and current element in a hashmap

• Check if the current element exists in the hashmap, if yes return the indices

• Time complexity can be reduced to O(n) using a hashmap
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Q2. Reverse a linked list
Ans. 
Reverse a singly linked list and return the reversed list.
• Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

• Use three pointers to keep track of the current, previous, and next nodes while reversing the list.

• Update the head of the list to be the last node after reversing.
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Q3. In given time slots , find conflicting time slots
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Q1. Asked about projects
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Q2. Longest palindrome
Ans. 
Find the longest palindromic substring in a given string.
• Iterate through each character in the string and expand around it to find palindromes

• Use dynamic programming to optimize the solution

• Consider both odd and even length palindromes
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This was a Take Home test. I got a coding assignment where in I had to make a simple iOS app which can fetch data from an API and display it as a list on the screen. I used SwiftUI as its faster to code there. It was not complicated at all if you know youur stuff and they asked me to include tests (both Unit and UI). I already had my code snippets ready (for example for a Network class) so I could write a lot more code quite easily. It was taken on Hackerrank and I had 120mins to complete it. I read the instructions carefully and did as asked. I added comments to everything and made it extremely neat and structured using all the best coding practices of a large scale iOS project. Submitted it and that was it.

This was a discussion of my assignment. Take Home Follow Up. It was taken by an SDE 3 from US and he asked all sorts of questions about my code. I explained everything in great detail and told him what all things I would do better if i had more time. Simple round. Be ready to explain everything, every word and line.

Q1. Design a Order and Cart Page in iOS. The user should be able to order an item, see it in cart, the limit of each item is set to 1. Show the various classes, network requests, APIs, information flow, etc. N...read more
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Q1. Mention a time where your had to deal with a challenging or difficult colleague and how did you deal with it?
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Q2. Mention a time where you had a conflict with your manager regarding a technical matter in your project? Where you had a different approach to a problem and had to come to a conclusion?
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Q1. A general discussion about the project and my interests. Discussing my roles and responsibilities and whether I'm comfortable with the location, commute and tech stack.
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Had 50 qsns in 45 min

Had 5 qsns to execute topics like tress and graphs

Q1. Sql queries and how to extract the data
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Q2. Oops concepts and their execution
Ans. 
Oops concepts are fundamental principles of object-oriented programming that help in organizing and designing code efficiently.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

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

• Polymorphism: Ability of objects to take on multiple forms or have multiple behaviors.

• Abstraction: Hiding the complex ...read more
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Coding Test was on Coderbyte. Consisted 4 questions. 1 coding and 3 of web developement.

Q1. General HR questions.
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Q1. General Techinal questions
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Q1. Spark architecture.
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Q2. Narrow and wide transformations
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Coding test duration is 30 to 40 min
on paper pen and topic is simple like related to string,pattern and number's

Q1. Introduction about yourself
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Q2. Salary expectation
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Q1. Related to the basic of html css and js
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Q2. Ask run time short code and explanation
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Q1. About yourself and other
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Q2. All about company your expectation and salary disscuced
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Q1. Automation testing with testing tools
Ans. 
Automation testing with testing tools involves using software to execute tests and compare actual results with expected results.
• Automation testing saves time and effort compared to manual testing

• Testing tools like Selenium, Appium, and TestComplete are commonly used for automation testing

• Automation testing can be used for regression testing, load testing, and performance testing

• Automation testing requires programming s...read more
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Q2. Integration with automation Devops process
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Integration with automation DevOps process is crucial for efficient software testing.
• Automation testing tools can be integrated with DevOps tools like Jenkins, Git, and Docker.

• Continuous integration and continuous delivery (CI/CD) pipelines can be set up for automated testing.

• Test cases can be triggered automatically with each code commit or deployment.

• Test results can be reported back to the development team for quick...read more
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