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Dell Internship Trainee Interview Questions and Answers

Updated 10 Oct 2024

Dell Internship Trainee Interview Experiences

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Internship Trainee Interview Questions & Answers

user image kashish Kaushal

posted on 10 Oct 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Normal aptitude questions like Time and work, ratios etc etc

Round 2 - Technical 

(1 Question)

  • Q1. Questions like sorting (different types and ways to do them)
Round 3 - HR 

(1 Question)

  • Q1. What are your strengths and weeknesses
  • Ans. 

    My strengths include strong communication skills and attention to detail. My weaknesses include being overly critical of my own work and sometimes struggling with time management.

    • Strengths: strong communication skills

    • Strengths: attention to detail

    • Weaknesses: overly critical of my own work

    • Weaknesses: struggling with time management

  • Answered by AI

Interview questions from similar companies

I applied via Job Portal and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Overall good

I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.

Interview Preparation Tips

Round: Test
Experience: Tested basics in each subject

Round: Technical Interview
Experience: Had asked me about my projects in detail. Some DSA questions were asked. Asked to code in C for some questions.

Round: Technical Interview
Experience: Asked questions about data structures and some more algorithms. Tested in Probability and some quant.

College Name: IIT Madras

Interview Preparation Tips

Round: Resume Shortlist
Tips: It will be good to have a GPA of 8 and above

Round: Test
Experience: Questions were easy it were good at C and basic maths. Questions were distributed on all aspects of computer science such as Operating Systems, Few Output Question, Data Structures and Application layer networking . In basic aptitude most questions fall under Probability, distance and time and few others.
Duration: 60 minutes
Total Questions: 50

Skills: Communication, Basic Coding, Math Puzzle
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: The test was MCQ type. It comprised of questions from Operating Systems, Data Structures, Microprocessors, logical Reasoning, Aptitude and Computer Networks. No negative marking was there.
Tips: One needs to be fast as you can't spend much time on one question.
Duration: 60 minutes
Total Questions: 50

Round: Technical Interview
Experience: I was given 2 coding questions to solve and basics of oops, operating systems, data structures and networks were asked. 3-4 questions were asked in each topic mentions above. The interviewer also asked 2 puzzles which were the standard ones. He first asked me if I knew the topic or not, then only he asked me questions about it. But that doesn't mean that you can skip all the above mentions topics.
Tips: Be relaxed and confident and try to discuss your approach with the interviewer.

Round: Technical Interview
Experience: 2 Coding questions and 3-4 questions from operating systems and networks.Questions also from the mentioned projects.

Round: HR Interview
Experience: Standard HR interview with questions like what Cisco does and why they should hire you. He also asked me questions from the CV.

Tips: Be confident and mug up your cv well

Round: HR Interview
Experience: It was just a formality where he just asked about my background and whether I would be able to move to bangalore and Why I want to join Cisco.

Skills: Confidence, Problem Solving Skills, Operating System Basics, Coding Skills, Object Oriented Programming (OOP) Basics, Computer Networking, Data Strrutures
College Name: IIT Guwahati

I applied via Referral

Interview Questionnaire 

10 Questions

  • Q1. Program to print the elements of a binary tree in spiral order
  • Ans. 

    Program to print binary tree elements in spiral order

    • Use two stacks to keep track of nodes at odd and even levels

    • Push nodes from left to right in odd level stack and right to left in even level stack

    • Pop nodes from the stack alternatively and print them

    • Repeat until both stacks are empty

  • Answered by AI
  • Q2. Explain what happens underneath when you enter a URL in the browser
  • Ans. 

    Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.

    • The browser checks the cache for a previously stored copy of the webpage

    • If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address

    • The browser then sends a request to the web server at the IP address for the webpage

    • The web server responds with the requested webpage

    • The brows...

  • Answered by AI
  • Q3. Explain why MAC addresses are required despite having IP addresses
  • Ans. 

    MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.

    • MAC addresses are used for communication within a local network

    • IP addresses are used for communication across different networks

    • MAC addresses are assigned by the manufacturer and cannot be changed

    • IP addresses can be assigned dynamically or statically

    • MAC addresses are used in the...

  • Answered by AI
  • Q4. Solve the classical bridge and torch puzzle
  • Q5. Explain my internship project
  • Ans. 

    Developed a web application for tracking inventory and sales data

    • Used React.js for front-end development

    • Implemented RESTful APIs using Node.js and Express for back-end

    • Utilized MongoDB for database management

    • Integrated authentication and authorization features for secure access

    • Designed user-friendly interface with responsive design

  • Answered by AI
  • Q6. What is an arraylist in Java?
  • Ans. 

    An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.

    • ArrayList is a class in Java's Collection framework.

    • It implements the List interface and allows duplicate elements.

    • Elements can be added or removed using methods like add(), remove(), etc.

    • It can also be sorted using the sort() method.

    • Example: ArrayList names = new ArrayList<>();

    • names.add("John"); names.add("Mary"); names.remove(0);

  • Answered by AI
  • Q7. What is the difference between an arraylist and a linkedlist in Java?
  • Ans. 

    ArrayList is a resizable array while LinkedList is a doubly linked list.

    • ArrayList is faster for accessing elements while LinkedList is faster for adding or removing elements.

    • ArrayList uses contiguous memory while LinkedList uses non-contiguous memory.

    • ArrayList is better for random access while LinkedList is better for sequential access.

    • Example: ArrayList - List names = new ArrayList<>(); LinkedList - List names = new L

  • Answered by AI
  • Q8. “Java is not a pure OO language”. Justify (the answer expected was that the primitive types are not objects in Java!)
  • Ans. 

    Java is not a pure OO language due to primitive types not being objects.

    • Primitive types like int, boolean, etc. are not objects in Java

    • They do not have methods or inheritance like objects do

    • This violates the principle of everything being an object in pure OO languages

    • Wrapper classes like Integer, Boolean, etc. were introduced to provide object-like behavior for primitives

  • Answered by AI
  • Q9. What is the difference between an object oriented and object based language?
  • Ans. 

    Object-oriented languages support inheritance and polymorphism, while object-based languages do not.

    • Object-oriented languages allow for the creation of classes and objects, and support inheritance and polymorphism.

    • Object-based languages only support objects, but do not have the concept of classes or inheritance.

    • Examples of object-oriented languages include Java, C++, and Python, while JavaScript is an example of an obj

  • Answered by AI
  • Q10. Explain inheritance and abstraction with a concrete example
  • Ans. 

    Inheritance is a way to create new classes based on existing ones. Abstraction is a way to hide implementation details.

    • Inheritance allows a subclass to inherit properties and methods from a superclass.

    • Abstraction allows a class to provide a simplified interface to its users while hiding its implementation details.

    • For example, a Car class can inherit properties and methods from a Vehicle class, while also implementing i...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I applied via Referral

Interview Questionnaire 

14 Questions

  • Q1. How many interviews have I attended before?
  • Q2. What value would I add to Cisco?
  • Q3. What do I know about Cisco?
  • Q4. Am I ready to work as an IT manager?
  • Ans. 

    No, as a software engineer, you may not have the necessary experience or skills to work as an IT manager.

    • Software engineers typically focus on coding and technical aspects, while IT managers are responsible for overseeing projects, teams, and budgets.

    • IT managers need strong leadership, communication, and decision-making skills, which may not be the primary focus of a software engineer.

    • Consider gaining experience in pro...

  • Answered by AI
  • Q5. Mention the layers in OSI stack
  • Ans. 

    OSI stack has 7 layers that define how data is transmitted over a network.

    • OSI stands for Open Systems Interconnection

    • Each layer has a specific function and communicates with adjacent layers

    • Layers are: Physical, Data Link, Network, Transport, Session, Presentation, Application

  • Answered by AI
  • Q6. When would I go for a router to make two computers communicate?
  • Ans. 

    A router is needed to connect two computers in different networks or to share internet connection.

    • When two computers are in different networks, a router is needed to connect them.

    • A router can also be used to share internet connection between multiple devices.

    • Routers can provide additional security features like firewall and VPN.

    • Examples of routers include Cisco, Netgear, and TP-Link.

  • Answered by AI
  • Q7. Mention the number of bits in IPv4 and IPv6 addresses
  • Ans. 

    IPv4 has 32 bits and IPv6 has 128 bits.

    • IPv4 addresses are in the format of xxx.xxx.xxx.xxx where each xxx is an 8-bit number.

    • IPv6 addresses are in the format of xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx where each xxxx is a 16-bit number.

    • IPv6 addresses allow for a much larger number of unique addresses than IPv4.

  • Answered by AI
  • Q8. What is the need for IPv6?
  • Ans. 

    IPv6 is needed due to the exhaustion of IPv4 addresses and the need for more unique IP addresses.

    • IPv6 provides a significantly larger address space compared to IPv4.

    • It allows for the allocation of unique IP addresses to every device connected to the internet.

    • IPv6 supports improved security features and better network performance.

    • It enables the growth of Internet of Things (IoT) devices and services.

    • Transitioning to IPv...

  • Answered by AI
  • Q9. How many clients are possible for a /24 address?. What is the network address and broadcast address here?
  • Ans. 

    A /24 address can have 256 clients. Network address is the first IP and broadcast address is the last IP.

    • A /24 address has 256 IP addresses

    • The network address is the first IP in the range

    • The broadcast address is the last IP in the range

  • Answered by AI
  • Q10. What is the difference between anycast, unicast, and multicast?
  • Ans. 

    Anycast, unicast, and multicast are different ways of routing network traffic.

    • Unicast is one-to-one communication between a sender and a receiver.

    • Anycast is one-to-nearest communication where the sender sends a message to the nearest receiver.

    • Multicast is one-to-many communication where the sender sends a message to a group of receivers.

    • Anycast is used for load balancing and finding the nearest server.

    • Unicast is used f...

  • Answered by AI
  • Q11. What is virtual memory? What is its size in relation to main memory?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to use more memory than physically available.

    • Virtual memory is created by using hard disk space as an extension of RAM.

    • It allows running more programs than the physical memory can handle.

    • The size of virtual memory is typically larger than the size of main memory.

    • Virtual memory is divided into pages, which are swapped in and out of main memory as nee...

  • Answered by AI
  • Q12. How do I rate myself in C, web technologies on a scale of 10?
  • Ans. 

    I rate myself 8 in C and 7 in web technologies.

    • I have extensive experience in C programming and have worked on multiple projects using it.

    • In web technologies, I have a good understanding of HTML, CSS, and JavaScript, but there is always room for improvement.

    • I am constantly learning and improving my skills in both areas.

  • Answered by AI
  • Q13. What are my strengths?
  • Ans. 

    My strengths include problem-solving skills, attention to detail, and strong programming abilities.

    • Strong problem-solving skills - able to analyze complex problems and come up with effective solutions

    • Attention to detail - meticulous in writing code and ensuring it is error-free

    • Strong programming abilities - proficient in multiple programming languages such as Java, Python, and C++

  • Answered by AI
  • Q14. The classical 3l, 5l puzzle

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

Interview Preparation Tips

Round: Resume Shortlist
Experience: I had a standard resume for this company as per the norms of our institute’s placement cell. For Oracle I laid emphasis on my programming skills and projects related to it.

Round: Test
Experience: The first round was the written test that comprised of 5 sections – vocabulary, aptitude, pattern matching, logical reasoning and programming. The questions in the programming section were asked from data structures and C++. The questions in the programming section were mainly from trees (from data structures). Around 400 students appeared for their written test out of which around 100 were shortlisted.

Round: HR Interview
Experience: The next round was the interview round. They gave me some puzzles to solve and a program to write. One of the puzzles that I remember was that if I were to be given an egg then how would I determine its durability, i.e. how would I determine that from which floor do I need to throw the egg from so that the egg does not break if thrown from any floor below it.
For the coding question I was given a mathematical formula and I was asked to devise a code such that the program uses the formula and gives the output.
Tips: Prepare for Data Structures as well as the commonly asked puzzles for Oracle.

College Name: IIT ROORKEE
Motivation: Oracle is a reputed company in the space of software and ITeS. It had come to our campus with five profiles. The best means to know about all of them is to attend the pre-placement talk of the company.

I applied via Campus Placement

Interview Questionnaire 

2 Questions

  • Q1. You have a Binary tree having numbers>=0 and a numeber N. Print all downwards paths from any node having the sum of elements equal to N
  • Ans. 

    Print all downward paths from any node in a binary tree with sum of elements equal to N.

    • Traverse the binary tree and keep track of the sum of elements in the path from root to current node.

    • If the sum equals N, print the path from root to current node.

    • Recursively traverse the left and right subtrees with updated sum.

    • Use a stack to keep track of the current path being traversed.

    • Example: Binary tree with root 1, left chil...

  • Answered by AI
  • Q2. You have a cuboid (m*n*p) each block of the cuboid is having a metallic ball. Now we are passing X-ray from front face and getting a bool matrix1 of m*p the elements are set if there is a black spot.(as...
  • Ans. 

    Yes, it is possible to get the accurate result from the given data.

    • The coordinates (i,j,k) where metallic balls are present can be determined by finding the set elements in both matrix1 and matrix2.

    • Additional data is not required as the given data is sufficient to determine the coordinates.

    • The coordinates can be obtained by iterating through the elements of matrix1 and matrix2 and checking for set elements.

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Output questions
Tips: focus on basics
Duration: 30 minutes
Total Questions: 15

Round: Test
Experience: Two coding problems in one hour,on Cocobues.com

1. Given two arrays of numbers. The numbers are from 0-9 you have two maximize the first array by using the elements from the second array.
the elements can be used only once.
e.g. arr1[]={5,2,3,6,7};
arr2[]={9,2,8,4,5};
You should output the modified arr1 as {9,8,5,6,7}

2.Given a matrix of characters and a word.
you have to count the number of occurences of that word in that matrix. you can move to any of the eight valid directions from current position.
e.g. word="HELLO";
matrix[][5]={ {'H','E','L','L','O'},
{'E','H','E','A','B'},
{'L','L','O','C','D'}};
output should be : 5

Tips: DO AS MUCH AS PRACTICE
Duration: 60 minutes
Total Questions: 2

Round: Test
Experience: One Coding question was given to all the students ,You have to code and explain it.
You are given an string as input which represents a path. You have to normalize that path inplace(NO EXTRA SPACE).
e.g.
input : "\a\b\c\..\..\file.txt"
output: "\a\file.txt"
Hint: Double dot(..) means you have to skip the previous parent.
It was on paper.
Duration: 40 minutes
Total Questions: 1

Round: Technical Interview
Experience: The interviewer was very nice that was an amazing experience.
Tips: Be confident and relaxed.

Round: HR Interview
Experience: Again the interviewer was very nice. Firstly he asked me what i have done in technical till that time.
After the interview was over he looks impressed.
Tips: Don't see what others are doing . Take your time and try to short out the correct solution.

General Tips: Do coding as much as you can
Skills: Algorithm, Coding Skills And Knowledge On Data Structures
Duration: 2
College Name: NIT Bhopal
Motivation: It comes to our institute, and the name Microsoft is sufficient for motivation.
Funny Moments: The journey to Microsoft IDC Hydrabad was very beautiful.

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. Write the backend server code for a tic tac toe game
  • Ans. 

    Backend server code for a tic tac toe game

    • Create a RESTful API using a framework like Express.js

    • Implement game logic to check for winning conditions

    • Use a database to store game state and user information

    • Handle user authentication and authorization

    • Implement real-time updates using WebSockets

  • Answered by AI
  • Q2. Write a program to store a tree on a file. Also write code to reconstruct the tree from that file. Think of efficient techniques
  • Ans. 

    Program to store and reconstruct a tree from a file with efficient techniques.

    • Use a recursive approach to traverse the tree and write each node to the file

    • Include information about the node's parent and children in the file

    • Use a unique identifier for each node to reconstruct the tree from the file

    • Use a data structure like a hash table to store the nodes and their identifiers for efficient reconstruction

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: All types of C/C++ Aptitude and I/O questions were asked.
Was not a very easy round.
Tips: Prepare from -----/ and -----/
I had done everything in these 2 links.
Other than that, you can prepare from "Test your C Skills" by Yeshwant Kanetkar. PDF available online.
Duration: 30 minutes
Total Questions: 40-50

Round: Test
Experience: Two coding questions were asked. It was hosted on CoCubes website.
Questions were pretty basic.
First one was ad-hoc, requiring to count the number of set bits of a number.
Second one was the standard, minimum cost path DP problem.
Tips: Prepare from geeksforgeeks, careercup and ambitionbox.
If you know competitive programming, you should not have much of a problem.
Duration: 90 minutes
Total Questions: 2

Round: Test
Experience: Had to write code on paper. 2 questions.
First one was to rotate a matrix by 90 degrees. Pretty standard question.
Second one was to remove all negative elements in an array to the right end. Do it without extra memory.
Tips: Apart from correctness of solution, they check for code quality. Code written must be clean, indented and with properly named variables and functions.
Keep communicating your ideas to the people who will be supervising the test. They will understand your thought process that way.
Duration: 60 minutes
Total Questions: 2

Round: Technical Interview
Experience: Wrote the class in JAVA. Explained the methods, and optimized them. Variables were named properly.
Also generalized the class for an nxn matrix tic-tac-toe game.
Interviewer was very friendly. Wrote the code on paper.
Tips: Prepare on class design beforehand. They are quite likely to ask you questions on OOP.
Write clean code.

Round: Technical Interview
Experience: Just had to write the functions. Wrote code in C++.
The interviewer tested me on edge cases. Asked me to prepare test cases.
Tips: Make sure your code is ready to tackle those dirty edge cases.
Knowing standard library functions is beneficial. Make sure you learn some important ones. They can come in handy.
Write clean code. You can choose any language you are comfortable in.

General Tips: Stay calm. Prepare well.
Focus on the data structures that Microsoft usually asks about.
Skill Tips: A good internship helps in the process. I had interned at Google, so I got selected relatively easily as compared to other candidates. Make sure your resume is as impressive as you can make it.
Stay calm in the rounds. That way you can think better.
Communicate with the company officials. They will know you and your thought process that way.
Don't stay quiet in the interview rounds. If you have doubts, ask them. I had made this mistake when they came for internships and did not get selected because I didn't clear my doubts. The interview should be ideally like a discussion, where you present your thoughts and ideas, clear your doubts, and come up with a solution.
Skills: Resume, Communication, Analytical Skills, Algorithmic Approach To Problem Solving, Coding Skills And Knowledge On Data Structures
College Name: NIT Surathkal
Motivation: It is one of the biggest tech giants in the world. I definitely wanted to be a part of it.
Funny Moments: Since I had only 2 interviews, while others had 5, I came out so early that they thought I was rejected.
They later discovered, they were wrong.

Skills evaluated in this interview

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Dell Interview FAQs

How many rounds are there in Dell Internship Trainee interview?
Dell interview process usually has 3 rounds. The most common rounds in the Dell interview process are HR, Aptitude Test and Technical.

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