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Arista Networks Interview Questions, Process, and Tips

Updated 21 Jan 2025

Top Arista Networks Interview Questions and Answers

View all 22 questions

Arista Networks Interview Experiences

Popular Designations

43 interviews found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. How does packet travel in switch network
  • Ans. 

    Packets travel in a switch network by being forwarded based on the destination MAC address.

    • Packets are received by the switch on an incoming port.

    • The switch looks up the destination MAC address in its MAC address table.

    • If the MAC address is found, the packet is forwarded out the corresponding port.

    • If the MAC address is not found, the packet is flooded out all ports except the incoming port.

    • Switches operate at Layer 2 o

  • Answered by AI

Skills evaluated in this interview

Softwaretest Engineer Interview Questions asked at other Companies

Q1. What is boundary value analysis? How do u perform boundary value testing for User ID & Password textfields in login page?
View answer (2)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Is Linkedlist palindrome or not
  • Ans. 

    A Linkedlist is not inherently a palindrome, but it can be checked for palindrome by comparing the elements from both ends.

    • To check if a Linkedlist is a palindrome, we can reverse the second half of the list and compare it with the first half.

    • Alternatively, we can use a stack to store the first half of the list and then compare it with the second half while popping elements from the stack.

    • For example, if the Linkedlist

  • Answered by AI

Skills evaluated in this interview

Platform Software Engineer Interview Questions asked at other Companies

Q1. is Linkedlist palindrome or not
View answer (1)

Software Interview Questions & Answers

user image Anonymous

posted on 12 Jun 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Memcpy implementation

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Questions around software design

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (169)

Arista Networks interview questions for popular designations

 Software Engineer

 (13)

 Software Developer

 (4)

 Intern

 (2)

 Senior Software Engineer

 (2)

 Software Developer Intern

 (2)

 Software Development Engineer II

 (2)

 Softwaretest Engineer

 (2)

 Decision Test

 (1)

Intern Interview Questions & Answers

user image Anonymous

posted on 6 Oct 2023

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Delhi College of Engineering (DCE), Delhi and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Quite easy, implementation questions were there

Round 3 - Technical 

(1 Question)

  • Q1. Implement Hash Maps
  • Ans. 

    Hash maps are data structures that store key-value pairs and provide efficient lookup, insertion, and deletion operations.

    • Hash maps use a hash function to convert keys into array indices.

    • Collisions can occur when multiple keys hash to the same index, requiring collision resolution techniques.

    • Common collision resolution methods include chaining and open addressing.

    • Hash maps have an average time complexity of O(1) for ba...

  • Answered by AI

Skills evaluated in this interview

Intern Interview Questions asked at other Companies

Q1. Case. There is a housing society “The wasteful society”, you collect all the household garbage and sell it to 5 different businesses. Determine what price you will pay to the society members in Rs/kg, given you want to make a profit of 20% ... read more
View answer (8)

Get interview-ready with Top Arista Networks Interview Questions

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Some program snippets were given in C language and told to debug it
  • Q2. Running median in stream
  • Ans. 

    Calculate the running median of a stream of numbers.

    • Use two heaps - a max heap for the smaller half of the numbers and a min heap for the larger half.

    • Keep the heaps balanced by ensuring the size difference is at most 1.

    • If the heaps are balanced, the median is the average of the top elements of the two heaps. Otherwise, it is the top element of the larger heap.

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. Why we use trie and its advantages and dis-advantages
  • Ans. 

    Trie is a tree data structure used for efficient retrieval of key-value pairs, commonly used in autocomplete and spell check applications.

    • Advantages: efficient prefix search, space optimization for storing keys with common prefixes, easy to implement autocomplete and spell check functionalities

    • Disadvantages: can be memory intensive for large datasets, complex to implement compared to other data structures like hash tab...

  • Answered by AI
  • Q2. Networking related questions

Skills evaluated in this interview

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (169)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed in Jun 2022. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Coding Test 

There were 2 DSA medium level questions

Round 3 - Technical 

(2 Questions)

  • Q1. Leetcode medium problem on hashmap
  • Q2. Binary search tree plus heap question
Round 4 - HR 

(2 Questions)

  • Q1. Basic HR question on why you want to work at this company
  • Q2. Technical questions on OOPS and a problem on system design

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well for DSA and OOPS. Give the interview with confidence

Software Developer Intern Interview Questions asked at other Companies

Q1. Sum Of Max And MinYou are given an array “ARR” of size N. Your task is to find out the sum of maximum and minimum elements in the array. Follow Up: Can you do the above task in a minimum number of comparisons? Input format: The first line ... read more
View answer (8)

SE2 Interview Questions & Answers

user image Anonymous

posted on 13 Oct 2022

I was interviewed in Sep 2022.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. This is for round 2: Design a Netflix feature to help find the 'm' top movies watched till date and 'n' top movies watched by an user for a given stream of data (User U, Movie M). Interviewer expected bot...
  • Q2. This is for Round1: There was a DS question on Tress.

Interview Preparation Tips

Interview preparation tips for other job seekers - Require good grasp on DS-Algo, LLD and HLD. Knows about scalability and Databases.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

I applied via Approached by Company and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Questions regarding JS concepts. JS and React specific rounds, closures, Promises, etc

Round 2 - Technical 

(1 Question)

  • Q1. Solve a js problem to traverse a directory. Simple question
Round 3 - One-on-one 

(1 Question)

  • Q1. Managerial round to understand roles and responsibilities in previous orgs.

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray SumGiven an array of numbers, find the maximum sum of any contiguous subarray of the array. For example, given the array [34, -50, 42, 14, -5, 86], the maximum sum would be 137, since we would take elements 42, 14, -5, and ... read more
View answer (39)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via campus placement at International Institute of Information Technology (IIIT), Allahabad and was interviewed in Jun 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all tips
Round 2 - Coding Test 

Two easy coding problems with few mcqs

Round 3 - Technical 

(2 Questions)

  • Q1. Design google contacts
  • Ans. 

    Google Contacts is a web-based address book application.

    • Users can add, edit, and delete contacts

    • Contacts can be organized into groups

    • Users can import and export contacts

    • Contacts can be searched and filtered

    • Integration with other Google services like Gmail and Calendar

  • Answered by AI
  • Q2. Problems related to C

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare core CS concepts and coding problems were easy

Skills evaluated in this interview

Software Developer Intern Interview Questions asked at other Companies

Q1. Sum Of Max And MinYou are given an array “ARR” of size N. Your task is to find out the sum of maximum and minimum elements in the array. Follow Up: Can you do the above task in a minimum number of comparisons? Input format: The first line ... read more
View answer (8)

Arista Networks Interview FAQs

How many rounds are there in Arista Networks interview?
Arista Networks interview process usually has 1-2 rounds. The most common rounds in the Arista Networks interview process are Technical, Coding Test and One-on-one Round.
How to prepare for Arista Networks interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Arista Networks. The most common topics and skills that interviewers at Arista Networks expect are C++, C, Python, Linux and WiFi.
What are the top questions asked in Arista Networks interview?

Some of the top questions asked at the Arista Networks interview -

  1. In a todo application a user's data is supposed to be synced in multiple device...read more
  2. Design a ticket booking platform(Core problem: How would you prevent concurrent...read more
  3. Find the memory of the given structure (Struct padding is the hi...read more
How long is the Arista Networks interview process?

The duration of Arista Networks interview process can vary, but typically it takes about less than 2 weeks to complete.

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Arista Networks Interview Process

based on 33 interviews

Interview experience

4.2
  
Good
View more

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Arista Networks Reviews and Ratings

based on 77 reviews

4.2/5

Rating in categories

4.1

Skill development

4.4

Work-life balance

3.9

Salary

4.0

Job security

4.0

Company culture

3.5

Promotions

4.0

Work satisfaction

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