Nokia interview questions
Online test → Technical → Technical → HR·64% entry level
CS fundamentals
Showing 36 of 150 reported in this area
Explain the memory layout of a C program
Explain Object-Oriented Programming (OOP) concepts
What is the diamond problem in C++?
Explain all the normal forms in DBMS.
Explain deadlock in operating systems.
What is the Spanning Tree Protocol (STP)?
How do routers route packets in a network?
Answer in-depth questions on computer networks
Print output without using the println function
Explain process scheduling in an operating system.
Give an example of inheritance in C++ (write code)
Design a simple database schema for a given use case
Explain the OSI model and the function of each layer.
Explain deadlock in an operating system with examples.
What is normalization? Explain Second Normal Form (2NF).
Explain dynamic memory allocation in C and how it is done
Explain how memory management works in an operating system.
Explain DBMS transaction management and concurrency control.
How do you count the number of objects created in a program?
How do you calculate the memory size of a structure in C/C++?
Explain the OSI model and the importance of the Data Link Layer
Explain in detail how one network is connected to another network.
Implement the Least Recently Used (LRU) Page Replacement algorithm
How does data switching happen between different layers in a network?
What are the differences between Machine Learning and Data Analytics?
Describe how a voice call connection is established between two phones.
Explain the difference between TCP/IP model layers and OSI model layers.
Create a custom exception class and catch all exceptions using that class
Explain the evolution of mobile communication technologies from 2G to 5G.
What is a static variable? Difference between static and global variables
Given a situation, which programming language would be most suitable and why?
Explain the detailed process of how one network is connected to another network.
What is a static function? How can we call a function without creating an object?
Explain Object-Oriented Programming (OOP) concepts and their real-world applications
Explain pointers in C, including const pointers, void pointers, and function pointers.
Explain the Physical layer in detail and list networking devices that work at this layer.
DSA
Showing 15 of 62 reported in this area
Find the diameter of a binary tree.
Implement a linked list using C or C++.
Write code to detect a loop in a linked list.
Minimize the maximum difference between the heights.
Find the intersection point of two singly linked lists.
Sort the elements of an array by frequency of occurrence.
Explain the coding approach for the Snake and Ladder problem.
Minimum Number of Platforms Required for a Railway/Bus Station
Sort elements of an array based on the frequency of occurrence.
Find the first and last position of an element in a sorted array.
Minimum number of jumps to reach the end of the array (O(n) solution)
Print the reverse of a string such that alternate characters are capitalized
Write pseudocode to find the middle element of a linked list in one iteration
Explain real-time applications of data structures like trees, graphs, and hashmaps
Given a linked list, rotate it starting from index n so that the nth node becomes the head
Aptitude
Showing 3 of 18 reported in this area
Solve aptitude and logical reasoning problems within a fixed time limit
Quantitative aptitude problems
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Logical and reasoning ability questions
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Behavioural
Showing 3 of 10 reported in this area
How would you manage work in a situation where there is no team leader?
What would you do if you are asked to develop a feature but you believe it is not a good idea?
Suppose you face a critical problem at the eleventh hour before a major project submission. How will you manage the situation and communicate it to your mentor?
Puzzles
Showing 3 of 6 reported in this area
Measure exactly 4 liters of water using only 3-liter and 5-liter jugs.
Given 7 balls of identical weight and 1 ball with a different weight, find the minimum number of weighings needed to identify the different ball
Generate a 4-digit number such that the sum of the squares of the first half and second half equals the number itself (e.g., 1233 since 12^2 + 33^2 = 1233)
Showing 60 of 173 questions. Ranked by how often the same question came back across reports.
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What questions does Nokia ask?
Candidate interview reports most often cover CS fundamentals (61%) and DSA (25%).
How many rounds does Nokia interview have?
Candidate interview reports show an average of 3.6 rounds per experience, with a typical sequence of Online test → Technical → Technical → HR. Individual interview paths can vary.
Is the Nokia interview hard?
Among questions with a reported difficulty, the mix is easy 52%, medium 47%, hard 1%.