Nvidia Senior Devops Engineer Interview Questions and Answers

Implement a custom MyPromise class that mimics JavaScript's built-in Promise functionality using polyfills.

• Define a MyPromise class with a constructor that accepts an executor function.

• Store the resolved value and state (pending, fulfilled, rejected) as properties.

• Implement 'then' method to handle fulfilled and rejected states.

• Use 'resolve' and 'reject' methods to change the state and trigger callbacks.

• Handle chaining ...read more

The question asks to find the memory of a given structure by considering struct padding.

• Struct padding refers to the unused bytes added to align the members of a structure.

• To find the memory of a structure, we need to consider the size of each member and the padding added.

• The total memory of a structure is the sum of the sizes of its members and the padding.

Code to find the position of a number in a BST

• Implement a recursive function to traverse the BST

• Compare the target number with the current node value

• If the target is smaller, go to the left subtree; if larger, go to the right subtree

• Repeat until the target is found or the subtree is null

A Trie is a tree-like data structure used for efficient retrieval of strings. It supports insertion and search operations.

• A Trie is also known as a prefix tree.

• Each node in the Trie represents a character.

• The root node represents an empty string.

• Each node can have multiple children, each representing a different character.

• Insertion involves traversing the Trie and creating new nodes as needed.

• Search involves traversing...read more

Check if a string containing parenthesis, curly brackets, and square brackets is valid.

• Use a stack to keep track of opening brackets

• Pop from stack when encountering a closing bracket, ensuring it matches the corresponding opening bracket

• Return false if stack is not empty at the end

Understanding basic managerial behaviors is crucial for effective team dynamics and project success.

• Effective communication: A manager should clearly convey expectations and feedback. For example, holding regular one-on-one meetings.

• Empathy: Understanding team members' challenges fosters a supportive environment. For instance, offering flexible work hours during personal crises.

• Decision-making: A good manager makes inf...read more