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Dell Sdet Lead Interview Questions and Answers
Dell Sdet Lead Interview Experiences
1 interview found
I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.
It was easy - medium leetcode question
(2 Questions)
- Q1. Max in array with complexity
- Ans.
Find the maximum value in an array of strings with complexity
Convert strings to integers before finding the maximum value
Use a loop to iterate through the array and compare each value to find the maximum
Handle edge cases such as empty array or non-numeric strings
- Q2. Two sum in an array
- Ans.
Find two numbers in an array that add up to a specific target value.
Use a hashmap to store the difference between the target value and each element in the array.
Iterate through the array and check if the current element's complement exists in the hashmap.
Return the indices of the two numbers that add up to the target value.
Skills evaluated in this interview
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Selected
I applied via Shine and was interviewed in Oct 2024. There were 2 interview rounds.
10m aptitude and image questions
50m DSA, cp CPP AND leetcode proper hard
Interview Preparation Tips
(3 Questions)
- Q1. Find xpath for some elements in Selenium
- Ans.
XPath is a way to locate elements on a web page using their HTML structure.
Use Chrome DevTools to inspect elements and generate XPath
Avoid using absolute XPath as it can be brittle
Use relative XPath with unique attributes for better stability
- Q2. Java related questions. Why static, abstract, final etc?
- Q3. Define the automation framework worked on.
- Ans.
I have worked on a keyword-driven automation framework using Selenium and TestNG.
Utilized Excel sheets to store test cases and keywords
Implemented reusable functions for common actions like clicking, inputting text, etc.
Used TestNG for test case management and reporting
Integrated with Jenkins for continuous integration
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. If you have page with 10 records and verify if a record is deleted
- Ans.
To verify if a record is deleted from a page with 10 records, we can check if the record is no longer displayed.
Locate the record on the page
Verify that the record is no longer visible
Confirm that the total number of records displayed is now 9
Interview Preparation Tips
He was very rude and called me dumb for taking time to analyse his question. His name is Roopesh Shivana
SDE (Software Development Engineer) Interview Questions & Answers
Samsung Research
Anonymous
posted on 30 Jun 2022
I applied via Naukri.com and was interviewed in Jun 2022. There were 4 interview rounds.
(2 Questions)
- Q1. Coding question max sum subarray- DP
- Q2. Clone graph - coding
(2 Questions)
- Q1. Dp- grid problem- max no of coins picked and basic android development questions
- Q2. Project based questions
(1 Question)
- Q1. Basic hr questions such are why you want to join our organization
Interview Preparation Tips
Good it was nice information and Engineering
Good it was nice information and Engineering
Good it was nice information and Engineering
(2 Questions)
- Q1. Good it was nice information and Engineering
- Q2. Good it was nice information and Engineering
(1 Question)
- Q1. Good it was nice
Anjali Gupta
(2 Questions)
- Q1. Types of testing?
- Ans.
Types of testing include unit testing, integration testing, system testing, and acceptance testing.
Unit testing: Testing individual components or modules of the software.
Integration testing: Testing how multiple components work together.
System testing: Testing the entire system as a whole.
Acceptance testing: Testing to ensure the software meets the requirements of the end users.
- Q2. Coding problem - anagram type
Interview Preparation Tips
SDE (Software Development Engineer) Interview Questions & Answers
Samsung Research
Anonymous
posted on 15 Nov 2021
I applied via Hackerearth contest and was interviewed in Oct 2021. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. Reverse a linked list
- Ans.
Reverse a linked list
Iterate through the linked list and change the direction of the pointers
Use three pointers to keep track of the current, previous, and next nodes
Make sure to update the head and tail pointers accordingly
- Q2. Swap 2 numbers without using a third variable
- Ans.
Swap 2 numbers without using a third variable
Use the XOR operation to swap the numbers
Assign the first number to the second number using XOR
Assign the second number to the first number using XOR
- Q3. Height of a binary tree
- Ans.
Height of a binary tree is the maximum number of edges from the root node to any leaf node.
The height of an empty tree is 0.
The height of a tree with only one node is 1.
The height of a tree can be calculated recursively by finding the height of its left and right subtrees and adding 1 to the maximum of the two heights.
The time complexity of finding the height of a binary tree is O(n), where n is the number of nodes in
- Q4. Sum queries on a 2D matrix
- Ans.
Sum queries on a 2D matrix
Iterate through each query and calculate the sum of elements in the given range
Use prefix sum technique to optimize the solution
Preprocess the matrix to store the sum of elements in each row and column for faster calculation
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Shine and was interviewed in Oct 2024. There were 2 interview rounds.
10m aptitude and image questions
50m DSA, cp CPP AND leetcode proper hard
Interview Preparation Tips
I applied via Company Website and was interviewed in Aug 2024. There was 1 interview round.
Difficult coding question, and 30 MCQs. MCQs are mix of technical and QA Theory questions. Coding question is from dynamic programming.
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