Dell interview questions
Online test → Technical → HR·65% entry level
CS fundamentals
Showing 35 of 139 reported in this area
Explain interfaces and friend functions in C++
How is a doubly linked list implemented in C++?
Explain the layers of the OSI Model
Explain Object-Oriented Programming (OOPS) concepts with examples
Explain ACID properties in DBMS
Explain CPU scheduling techniques
Explain the TCP/IP protocol suite.
Explain Spanning Tree Protocol (STP)
Explain multithreading concepts in Java
Explain Microsoft Azure and its services
Explain the concept of a Neural Network.
Predict the output of given code snippets
Explain busy wait, spin lock, and deadlocks
Explain different CPU scheduling algorithms
What is a page fault and what is thrashing?
Explain Linux file system structure and inode
Explain garbage collection in C++ and Python.
Explain Spanning Tree Protocol and its purpose
Explain the services offered by Microsoft Azure
How is content copied from disk to main memory?
Explain the concept of process forking in Linux.
What are system calls and how are they executed?
Write an SQL query to evaluate A - B using joins.
Explain process scheduling, schedulers, and dispatcher
Explain RAID levels 0, 1, 5, and 10 and their differences.
Write an SQL query to find the 3rd highest salary from a table
How can hashing be used to store IP addresses without collision?
Differentiate between Random Forest and Decision Tree algorithms.
Explain different types of SQL joins and write sample SQL queries
What are different data transmission formats in computer networks?
Explain Object-Oriented Programming (OOPS) concepts with an example
Explain how cloud computing works and how load balancing is handled.
What is deadlock in an operating system and how can it be prevented?
Explain the concepts of processes and threads in an operating system.
Write an SQL query using joins between employee and department tables.
DSA
Showing 13 of 51 reported in this area
Delete the Nth node from the end of a linked list
Design and implement a T9 dictionary.
Print a binary tree in vertical order
Implement Dijkstra's shortest path algorithm
Delete the last node in a circular linked list.
Explain and implement common sorting algorithms.
Merge overlapping intervals in a list of intervals
How would you sort words present in a very large file?
Merge overlapping intervals in a given set of intervals
Write a program to print the left view of a binary tree
Write a program to print the right view of a binary tree
Data structure questions on arrays, trees, and linked lists
Write optimized pseudocode to swap the contents of two stacks.
Aptitude
Showing 3 of 17 reported in this area
Aptitude questions involving numerical reasoning under time constraints (no verbal or comprehension).
Based on given properties of multiple cities, answer logical reasoning questions about their relationships.
Find the number of possible arrangements or selections using permutations and combinations for a given scenario.
Behavioural
Showing 3 of 14 reported in this area
How do you handle an angry client?
How do you handle conflicts within a team? Provide solutions to given conflicting problems.
As a first-time event manager with no senior support, how would you ensure the event is successful?
Puzzles
Showing 3 of 4 reported in this area
Estimate the number of laptops sold per day in Delhi and explain your approach.
If you have 9 coins and one of them weighs less, how can you identify the odd coin in minimum number of steps?
Describe an analogy between knight and rook movements in chess and how it could relate to code you have written.
System design
3 questions reported in this area
Design a vending machine system.
Design Spotify (music streaming system)
Design an application for a shortest-path problem and explain its features.
Showing 60 of 169 questions. Ranked by how often the same question came back across reports.
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What questions does Dell ask?
Candidate interview reports most often cover CS fundamentals (61%) and DSA (22%).
How many rounds does Dell interview have?
Candidate interview reports show an average of 3.8 rounds per experience, with a typical sequence of Online test → Technical → HR. Individual interview paths can vary.
Is the Dell interview hard?
Among questions with a reported difficulty, the mix is easy 51%, medium 46%, hard 2%.