Fortanix Software Developer Interview Questions and Answers

Q1. Data structures, Algorithm
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Basic question asked

Q1. Computer networking based question
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Q2. Dsa question based on graph and dp
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Q3. Based on operating system
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Q4. Function of oops
Ans. 
Object-oriented programming paradigm that focuses on objects and classes for code organization and reusability.
• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types
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Q1. Behavior question asked
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10 core subject MCQs along with 3 coding questions

1 Fizz Buzz questions
2 third largest string in array of strings
3 operation on numbers given by strings

Q1. Almost all Basic concepts retlated to OS ie process, threads, multitasking, multiprogramming
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Q2. Concepts related to AWS
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Q3. Coding questions like 1. second largest element in array 2. stack implementation and its real time uses 3. frequency of characters in string
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Q1. Deep concepts related to CNS , related to your own laptop its processor , cores etc
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Q2. Top View of binary treee
Ans. 
Top view of binary tree is the nodes visible when viewed from the topmost node.
• Top view shows the nodes visible from the root node's perspective.

• Nodes are printed in the order of their horizontal distance from the root node.

• If two nodes have the same horizontal distance, the node that appears first in the level order traversal is printed first.
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Q1. Check if the linked list is palindrome or not
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To check if a linked list is a palindrome, compare the first half of the list with the reversed second half.
• Traverse the linked list to find the middle node

• Reverse the second half of the linked list

• Compare the first half with the reversed second half to check for palindrome
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Q2. C string questions
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Q1. Operating systems questions
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Q2. Linked list and system design question
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Q1. Linked list and double pointers
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Binary search and design a data-structure to do insert, delete and get random in O(1)

Questions regarding JS concepts. JS and React specific rounds, closures, Promises, etc

Q1. Solve a js problem to traverse a directory. Simple question
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Q1. Managerial round to understand roles and responsibilities in previous orgs.
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Easy problem on java

Q1. Technical discussion
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