Dell EMC Drive Interview Experience

The drive was conducted on their Dell EMC Office Bangalore. Around 50-60 people participated in this drive.

Round 1:  Written Test

  1. Predict the output.
    class A
    {
    public: A() { std::cout << “Constructor A\n”; }
    ~A() { std::cout << “Destructor A\n”; }
    };
    class B: public class A
    {
    public: B() { std::cout << “Constructor B\n”; }
    ~B() { std::cout << “Destructor B\n”;}
    }
    int main()
    {
    A *a = new A();
    B *b = new B();
    A *a = new B();
    return 0;
    }
  2. Implement counting sort (array elements ranges from 0-99)
  3. Print numbers from 1 to 100, odd numbers with one thread and even numbers with another thread.
  4. int arr[] = {1, 4, 6, 7}
    int n = 4
    Allocate 2d memory with rows as n and each row has column equal to the elements present in array.
    Like 1st row has 1 column
    2nd row has 4 column
  5. Can we play a game that require 4GB of RAM on a 1GB RAM. If so, how ?

Round 2: F2F Interview



  1. Implement custom string class.
  2. Write Recursive Binary Search.
  3. Sort a linked list of 0s and 1s.
  4. Copy Constructor and assignment operator.
  5. Reverse k nodes of a linked list

Round 3: F2F Interview

  1. Mutex vs Semaphore.
  2. Virtual Memory, Page, LRU.
  3. One designing Question : There are n processes such that they are sharing one block of memory and any process can be completed anytime. How will you design C++ class such that there is no memory leak ?
  4. Iterative Method to print Inorder of a Binary Tree.

Round 4: F2F Interview(Hiring Manager)

  1. Tell me about yourself.
  2. Do you have any other offers ? I said yes.
  3. Why are looking for a change ?
  4. Sync vs Async Operations.
  5. What do you understand by Data Recovery and Disaster Management w.r.t Cloud.

Round 5: HR
       1. Tell me about yourself.
       2. CTC about other offers in hand.

Prepare well. I prepared from this platform only.
Verdict : Selected..:)

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