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Arista Networks Interview | Set 3

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I had an telephonic interview with Arista Networks couple of days ago. To apply for Arista Networks (Internship) CGPA >=8.5, luckily i had. Here are the details of the company’s interview. 

Interviews were done using Shared editor and phone . 

Round 1 
1. Tell me something about yourself ? 
2. what do you know about arista networks ? 
3. output of given program 

void print()
  char s[10];
int main()

4. How you can check whether a machine is 64 bit or 32 bit ? 
5. Print number in reverse (descending) order in BST . 
6. Delete a node in DLL . 
7. struct hack , struct size . 
8. Do know backtracking algorithm ? 
9. What is DFS , BFS ,which datastructures are used to implement this then he asked me to print BFS,DFS of a tree(t) i don’t remember tree(t) . 
10.Define OOP in 4 sentences . 
11.Define Polymorphism . 
12.Merging of list or array is good for if they are sorted , algorithm for merging of two lists time complexity of this algorithm 
13.Following same question for array . 
14.Following same question for array having the property as one array have enough empty space such that one array can accommodate another one , as like we have a[100] and b[40]; now we can accommodate b in a, assume we have 40 empty spaces in a. 
15.sorting time of merge sort , heap sort , quick sort . 
16.Define max and min heap , search time of heap . 
17.Define Normalization in database . 
18.Difference b/w C and Java 
19.Do you have any questions ? 
Questions are not in correct order and some question may be from 2nd round sorry for that. 
Interviewer was very helpful . 

Round 2 
1. Tell me your interest subjects and grade . 
2. How will you implement phonebook such that we can search using first name? 
3. Following same question , How you will do if you have one more requirement as search with last name also ? 
4. Following same question if you have to search using phone number ? 
5. How can you show frequent calls list (list can have at most k items) for a phonebook ? 
6. Following same question , how you can solve if two or more calls have same count(and still maintaining k items only) ? 
7. Find duplicates in a file containing 6 digit number(like uid) in O(n) time . 
8. Implement bitArray in C . 
9. Why do you want to join our company ? 
10. do you have any questions ? 

I would like to thank GeeksforGeeks team for building such an awesome site and platform for interview preparation. After 4 days i got confirmation that you are selected for Arista Networks, feeling awesome . 

If you like GeeksforGeeks and would like to contribute, you can also write an article and mail your article to See your article appearing on the GeeksforGeeks main page and help other Geeks. 


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Last Updated : 28 Dec, 2021
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