# 279

Questions d'entretien pour Aws Engineer partagées par les candidats

## Principales questions d'entretien

Trier: Pertinence|Populaires|Date
On a demandé à un DevOps Data Engineer (AWS)...25 mars 2017

3 réponses

Yes

Yea

Yes

### Hardest Q was: Here's a binary tree: find the longest path within it. So, find a path between any two leaf nodes, where the path is the longest.

3 réponses

class Solution{ int ans[] = new int[1]; //O(n) public int efficientDia(TreeNode root) { if(root == null) return 0; int left = efficientDia(root.left); int right = efficientDia(root.right); ans[0] = Math.max(ans[0], 1 + left+ right); return 1+ Math.max(left, right); } //O(n^2) public int getDiameter(TreeNode root) { if(root == null) return 0; int leftHeight = getHeight(root.left); int rightHeight = getHeight(root.right); if(ans[0] &lt; 1 + leftHeight + rightHeight) { ans[0] = 1 + leftHeight + rightHeight; } return Math.max(getDiameter(root.left), getDiameter(root.right)); } Moins

int ans[] = new int[1]; //O(n) public int efficientDia(TreeNode root) { if(root == null) return 0; int left = efficientDia(root.left); int right = efficientDia(root.right); ans[0] = Math.max(ans[0], 1 + left+ right); return 1+ Math.max(left, right); } //O(n^2) public int getDiameter(TreeNode root) { if(root == null) return 0; int leftHeight = getHeight(root.left); int rightHeight = getHeight(root.right); if(ans[0] &lt; 1 + leftHeight + rightHeight) { ans[0] = 1 + leftHeight + rightHeight; } return Math.max(getDiameter(root.left), getDiameter(root.right)); } private int getHeight(TreeNode root) { // TODO Auto-generated method stub if(root == null) return 0; return Math.max(getHeight(root.left), getHeight(root.right))+1; } Moins

Indians at all companies always ask tree questions, it makes them giggle inside. I know, because I'm half indian and have interviewed people... tee hee hee Moins

### What happens when you delete the Sysvol folder?

1 réponses

Never delete the Sysvol File since it a critical file that regulate replication among domain controllers. It also manage File Replication Service to share files and Scripts as well as Group Policy to get applied in the domain. Once deleted please refer to your next backup DC to restore your PDC or the deleted DC's Sysvol. Moins

### how do you build your stack from cloudformtion

1 réponses

how do you orchestrate using kubenetes

1 réponses

### come avresti disegnato il seguente DB data le richieste dell'esercizio a casa?

1 réponses

DB relazionale con PKs e foreign key etc.

### Syntax of Linux and all

1 réponses

And profit loss questions , speed distance time questions

### Code the FizzBuzz algorithm

1 réponses

Created an algorithm using if/else statements for returning either "fizz", "buzz" or "fizzbuzz". Moins

### Given the following scenario, what would you recommend to the client? [An example scenario with minimal detail was provided, that is a chance to show your skills as a Cloud and DevOps engineer]

1 réponses

Asked further discovery questions, provided whiteboard solution, asking further questions as required. Moins

### -Write code for us in real time

1 réponses

I provided a back-end call to a MongoDB database.

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