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ServiceNow SDE Interview Questions and Answers
ServiceNow SDE Interview Experiences
1 interview found
Anonymous
Online coding test with 2 coding questions
(1 Question)
- Q1. What is storage differnece for files in ram
- Ans.
Files in RAM are stored temporarily for quick access by the CPU.
RAM (Random Access Memory) is volatile memory used for temporary storage of data and instructions.
Files stored in RAM are accessed much faster than files stored on a hard drive.
RAM is cleared when the computer is turned off, so files stored in RAM are not persistent.
Examples of files stored in RAM include open applications, running processes, and cached da
Skills evaluated in this interview
Interview questions from similar companies
Ayush Chikate
I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
4 sections verbal logical aptitude and coding(in C)
(2 Questions)
- Q1. Puzzles (GFG Puzzles)
- Q2. Making patterns of triangle and diamond
- Ans.
Creating patterns of triangle and diamond using characters
For triangle pattern, use nested loops to print spaces and characters in each row
For diamond pattern, divide the diamond into two triangles and print accordingly
Examples: Triangle pattern - * ** *** Diamond pattern - * *** ***** *** *
(2 Questions)
- Q1. Core java questions
- Q2. Depper into projects
- Ans.
Discussing past projects in depth to showcase skills and experience
Explain the problem statement and your approach
Discuss the technologies used and challenges faced
Highlight your contributions and the outcome
Mention any learnings or improvements for future projects
(1 Question)
- Q1. Basic and sone tricky hr questions
Interview Preparation Tips
Apti test was easy 30 min test
(2 Questions)
- Q1. How many year of experience
- Ans.
I have 5 years of experience in software development.
I have worked in various roles such as software engineer, senior software engineer, and team lead over the past 5 years.
During my time in the industry, I have gained experience in developing web applications, mobile apps, and backend systems.
I have also worked with technologies such as Java, Python, JavaScript, and SQL.
I have experience in Agile methodologies and hav...
- Q2. Your current ctc ?
- Ans.
My current CTC is $80,000 per year.
My current CTC is $80,000 per year.
I am currently earning $80,000 annually.
My current salary package is $80,000 per annum.
1 coding question, 19 mcqs on dsa, c++, java, cs fundamnetals
DSA,COMPUTER FUNDAMENTALS
(1 Question)
- Q1. TELL ABOUT TREE TRAVERSALS
- Ans.
Tree traversals are methods used to visit each node in a tree data structure in a specific order.
Inorder traversal: Visit left subtree, then root, then right subtree
Preorder traversal: Visit root, then left subtree, then right subtree
Postorder traversal: Visit left subtree, then right subtree, then root
Skills evaluated in this interview
Prashansa Chaudhary
Selected
I applied via Campus Placement and was interviewed before Jan 2023. There were 5 interview rounds.
Aptitude is pretty easy
Need to be good in communication skills
(1 Question)
- Q1. Focused more on Technical skills and behavioral + tech
(1 Question)
- Q1. Resume and project based questions
(1 Question)
- Q1. Current work and Salary
Interview Questionnaire
18 Questions
- Q1. Detail questions on copy constructors were asked
- Q2. Deep copy, shallow copy (need for explicitly writing copy constructor)
- Q3. Operating system concepts such as memory Management and semaphores, critical section
- Q4. Overloading, Overriding(Function and operator both)
- Q5. Virtual Functions
- Q6. Resume based interview
- Q7. Some more discussions on virtual classes and functions, overloading, overriding, copy constructors
- Q8. Puzzles such as no of 0s in 100!, and water- jug problem
- Q9. Merge two double linked list. What will be the difference if they are singly linked list
- Ans.
To merge two double linked lists, traverse to the end of the first list and connect it to the head of the second list.
Traverse to the end of the first list
Connect the last node of the first list to the head of the second list
If the lists are singly linked, we need to traverse to the end of the first list and connect it to the head of the second list. But we also need to keep track of the last node of the first list to ...
- Q10. Make a data structure such that it can store an image dynamically
- Ans.
A dynamic data structure for storing images as arrays of strings.
Use a 2D array of strings to represent the image pixels.
Implement resizing methods to adjust the size of the image.
Include methods for adding, removing, and modifying pixels.
Consider using compression techniques to reduce memory usage.
Support various image formats such as JPEG, PNG, and BMP.
- Q11. Copy fixed no of bytes from source to destination and its test cases( ex: copy(source, destination,bytes) so now command copy(a,a+3,8) will not give correct results in some cases and copy(a,a-4,8) will n...
- Ans.
Copying fixed number of bytes from source to destination and its test cases.
Ensure source and destination are not overlapping
Check if the number of bytes to be copied is greater than the available space in the destination
Handle cases where source or destination is NULL
Test cases should cover all possible scenarios including edge cases
- Q12. Some puzzles like weighing problem..N Balls given all of same weight except one..What is the max value of N so that u can figure out the ball with less weight in 2 rounds or 3 rounds
- Q13. Some HR questions about family and yourself
- Q14. Detail discussion on virtual functions
- Q15. Optimized fibonacci program
- Ans.
An optimized Fibonacci program computes Fibonacci numbers efficiently.
Use memoization to store previously computed values.
Use iterative approach instead of recursive approach.
Use bitwise operators to perform arithmetic operations faster.
Use matrix exponentiation to compute Fibonacci numbers in logarithmic time.
- Q16. Solution for solving problems generated by virtual functions
- Ans.
Virtual functions can cause problems due to their dynamic nature, but can be solved using various techniques.
Use pure virtual functions to ensure all derived classes implement the function
Use interface classes to define a common interface for all derived classes
Use smart pointers to manage memory and avoid memory leaks
Use virtual destructors to ensure proper destruction of objects
Avoid excessive use of virtual function
- Q17. Some good questions on compile time error check, link time error check and run time error check
- Q18. One Image puzzle
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed before Oct 2022. There were 2 interview rounds.
(2 Questions)
- Q1. What are the challenges you faced in your current role
- Q2. How did you overcome the challenges
Interview Preparation Tips
- Finance
- Order Management
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