NetApp Senior Software Development Engineer Interview Questions and Answers

Q1. Threading: Write and use a mutex?
Ans. 
A mutex is a synchronization primitive that ensures only one thread can access a resource at a time.
• Create a mutex object using the appropriate library or language-specific function.

• Lock the mutex before accessing the shared resource to prevent other threads from accessing it.

• Unlock the mutex after finishing the operation on the shared resource to allow other threads to access it.

• Example: pthread_mutex_t mutex; pthread...read more
Answered by AI
Add your answer
Q2. Find the memory leak in a given set of code.
Ans. 
Identify memory leak in code
• Check for any dynamically allocated memory that is not being freed

• Look for any infinite loops or recursive functions that consume memory

• Use memory profiling tools like Valgrind to detect leaks

• Check for any global variables that are not properly managed
Answered by AI
Add your answer

Logical reasoning And aptitude test

C++, python and Java programming

Karat took 2 rounds of coding test

Q1. Tree based hard level question...
Add your answer
Q2. Diameter of tree but nodes are strings
Ans. 
To find the diameter of a tree with nodes as strings, convert strings to integers for calculations.
• Convert strings to integers for calculations

• Use depth-first search to find the longest path between two nodes
Answered by AI
Add your answer
Q3. Design question LRU cache
Add your answer

Basic question asked

Q1. Computer networking based question
Add your answer
Q2. Dsa question based on graph and dp
Add your answer
Q3. Based on operating system
Add your answer
Q4. Function of oops
Ans. 
Object-oriented programming paradigm that focuses on objects and classes for code organization and reusability.
• Encapsulation: bundling data and methods that operate on the data into a single unit (object)

• Inheritance: ability of a class to inherit properties and behavior from another class

• Polymorphism: ability to present the same interface for different data types
Answered by AI
Add your answer

Q1. Behavior question asked
Add your answer