Nutanix Interview Questions, Process, and Tips

1 hour, 2 questions based on DSA

It consists 50 question

Q1. What is Operating System
Ans. 
An operating system is a software that manages computer hardware and provides services for computer programs.
• Manages computer hardware resources such as CPU, memory, and storage

• Provides a user interface for interacting with the computer

• Supports running applications and managing processes

• Examples include Windows, macOS, Linux, iOS, Android
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Q2. Difference between HTTPS and HTTP
Ans. 
HTTPS is a secure version of HTTP that encrypts data transmitted between a website and a user's browser.
• HTTPS uses SSL/TLS encryption to secure data transmission

• HTTP sends data in plain text, making it vulnerable to interception

• HTTPS is indicated by a padlock icon in the browser's address bar

• Websites that handle sensitive information like banking or shopping use HTTPS
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Two leetcode questions were given.
1. Easy question, it was something like: you have n buildings and their heights are given. The ocean is on to the right most end of the array of buildings. One need to return the list of buildings from which there is an ocean view.
Problem: 1762 in leetcode

2. Medium to moderately hard question on graphs: Rotten oranges problem in Leetcode

This was an onsite round for me.
1. Find longest palindromic substring
2. Find maximum sum subarray

Q1. This was a HLD round. I was asked to design a employee reimbursement system which takes in receipts and gives reimbursement after approvals.
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Q1. This was final round with manager, there were some discussions on my previous projects and a LLD problem with focus on design patterns.
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Minimum Divisor, Medium level Binary Tree question were asked.

Q1. Low level design. Implement the append and pop method for a list. You must not use the standard method.
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Use Binary Search to find square root, Swap Linked List pair wise

Max Area of Rectangle in 01 Matrix

System design of Cloud based storage like Amazon S3

Q1. EVPN VXLAN BGP peering
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Q2. Underlay link - ebgp inet-unicast peering is done overlay link - ibgp evpn signalling
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Q3. GRE vs IPSEC and whats the difference
Ans. 
GRE and IPSEC are both protocols used for secure communication over networks, but they have different purposes and implementations.
• GRE (Generic Routing Encapsulation) is a tunneling protocol used to encapsulate a wide variety of network layer protocols inside virtual point-to-point links. It does not provide encryption or authentication.

• IPSEC (Internet Protocol Security) is a suite of protocols used to secure Internet ...read more
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