Dell EMC Interview Questions, Process, and Tips

1 Hour Test
Aptitude - Pure Logical & Problem Solving.
R. S. Agarwal good for preparation.

Q1. Sorting of employee ids.
Ans. 
Sorting employee ids in an array of strings.
• Use a sorting algorithm like quicksort or mergesort to sort the employee ids.

• Ensure the sorting is done in ascending or descending order based on requirements.

• Handle cases where employee ids are alphanumeric or have special characters.

• Consider using built-in sorting functions in programming languages like sort() in JavaScript.
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Q2. Performance of a function.
Ans. 
Performance of a function refers to how efficiently and effectively the function executes its tasks.
• Performance can be measured in terms of speed, memory usage, and scalability.

• Optimizing code can improve performance by reducing time complexity and space complexity.

• Examples of performance optimization techniques include caching, parallel processing, and algorithmic improvements.
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Q3. Java - Use primitive data types as per requirement. For ex. for any number - don't use integer for age, student id, etc. If input format is known, use most suitable data type to store & process information. Create & reuse functions. TreeMap for automatic sorting of inserted elements.
Ans. 
Use appropriate primitive data types in Java based on input format. Create and reuse functions, utilize TreeMap for automatic sorting.
• Use byte for age if age is between 0-127, short for student id, int for large numbers like marks, long for very large numbers like phone numbers

• Create functions for common tasks like input validation, data processing, etc. and reuse them throughout the code

• Utilize TreeMap to automaticall...read more
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Q4. For a cube filled with water, pour out enough water such that there is exactly half of initial volume is remaining.
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Q1. How to handle difficult situation in a team ?
Ans. If leading a team, and team member is troublesome, first try to have a discussion about issues & try to resolve, if issue still persists - take manager's help in understanding what can be done.
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Q2. Why Dell & no other company ?
Ans. TBH, because of brand at first site - from childhood only system that I have seen is Dell, so as a child - computer meant Dell. Also, because being a huge MNC, there is proper procedure of guidance & working in a team, if some mistakes are made, there will always be team members / peers who can help - which I think can be presented by E in Dell logo, other other letters (D, L, L) are peers that will come to help.
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