What interview questions does Arista ask?

Candidates have reported 7 questions from Arista interviews to TrueInterview: 5 algorithm, 1 object-oriented programming and 1 study. Each one is filed under the round it came up in, with the month it was reported where a candidate gave one, and opens in the workspace that format calls for — an editor judged against hidden tests for coding and SQL, a whiteboard for system design.

How recent are these Arista interview questions?

The most recent Arista question on this page was reported in October 2026. A question shows the month a candidate reported it whenever that is known, so an entry that has gone stale is visible as one rather than presented as current.

Which Arista interview rounds do these questions come from?

The reported Arista questions on this page are filed under 3 rounds: Online Assessment, Phone Screen and Onsite. Filtering by a round gives you the questions candidates were asked at that stage rather than the whole bank at once.

How hard are Arista's interview questions?

Of the 6 rated Arista questions on this page, the spread is 2 easy and 4 medium. Difficulty is the rating on the question itself, not a prediction of how a particular loop will go.

Where do these Arista interview questions come from?

From candidates who sat the interview. Some send us their questions by email or upload; the rest we summarize from interview experiences, on the public board or published elsewhere, then verify and file by company, format and round. Nothing covered by an NDA is accepted, and the sourcing rules are published in full at /methodology.

Has anyone written up their Arista interview?

Yes — 4 candidates have published an account of a Arista loop, covering the rounds they sat, what they were asked and how it ended. Each write-up has its own page and links to the questions it mentions.

Is there a guide to the Arista interview process?

There is one guide filed under Arista on this page, written round by round: what each stage covers, what it is assessing, and what to practise before it.

Do I need an account to practise Arista questions?

Browsing this page needs no account, and 3 of the 7 Arista questions listed here open in full for free. The rest are part of a paid plan, and every row says which it is before you click it.

Arista Interview Questions: 7 Real Questions

About Arista

Arista Networks builds high-performance cloud and AI networking — data-centre switching and routing driven by its single EOS software image. Public since 2014, it is a leading supplier of high-speed Ethernet for large data centres and AI clusters.

Industry: Cloud & AI networking
Founded: 2004
Size: 5,000+ employees
HQ: Santa Clara, CA
Website: arista.com

Company research

Read it

Arista Networks builds high-performance cloud and AI networking — data-centre switching and routing driven by its single EOS software image. Public since 2014, it is a leading supplier of high-speed Ethernet for large data centres and AI clusters.

Cloud & AI networking
Santa Clara, CA
Founded 2004

Covered in the research, each with its source

Recent moves
Competitors and position

Read the Arista research

Arista hiring insights

Computed from candidates’ write-ups and our Arista questions.

Reported outcomes

0 / 2

decided loops ended in an offer. Too few for a rate (needs 8).

Outcome mix

Rejected50%(2)
Still waiting50%(2)

Across the 4 of 4 shared loops that stated an outcome.

Last 12 months: 4 loops
Most recent: Aug 2026

Self-reported by candidates who shared a Arista write-up. It describes those loops, not an application-to-offer rate. Read them.

What they ask

Topic mix

Binary Search20%(1)
Dynamic Programming20%(1)
Linked List20%(1)
Math & Geometry20%(1)
Other (1 topic)20%(1)

Across the 5 of 7 Arista questions tagged with a topic.

Difficulty mix

Easy33%(2)
Medium67%(4)

Across the 6 of 7 questions with a difficulty rating.

Practice this mix

Interview guides1

Arista Networks Interview Process & QuestionsFree

Open roles at Arista6

Show all 6 Arista roles

Interview experiences4

View all

Interview questions7

Filter & trackFilter

Algorithm5 OOP1 Study1 OA2 Phone Screen4 Onsite1 Easy2 Medium4

View all 7 Arista questions

Frequently asked: Arista interviews

What interview questions does Arista ask?: Candidates have reported 7 questions from Arista interviews to TrueInterview: 5 algorithm, 1 object-oriented programming and 1 study. Each one is filed under the round it came up in, with the month it was reported where a candidate gave one, and opens in the workspace that format calls for — an editor judged against hidden tests for coding and SQL, a whiteboard for system design.
How recent are these Arista interview questions?: The most recent Arista question on this page was reported in October 2026. A question shows the month a candidate reported it whenever that is known, so an entry that has gone stale is visible as one rather than presented as current.
Which Arista interview rounds do these questions come from?: The reported Arista questions on this page are filed under 3 rounds: Online Assessment, Phone Screen and Onsite. Filtering by a round gives you the questions candidates were asked at that stage rather than the whole bank at once.
How hard are Arista's interview questions?: Of the 6 rated Arista questions on this page, the spread is 2 easy and 4 medium. Difficulty is the rating on the question itself, not a prediction of how a particular loop will go.
Where do these Arista interview questions come from?: From candidates who sat the interview. Some send us their questions by email or upload; the rest we summarize from interview experiences, on the public board or published elsewhere, then verify and file by company, format and round. Nothing covered by an NDA is accepted, and the sourcing rules are published in full at /methodology.
Has anyone written up their Arista interview?: Yes — 4 candidates have published an account of a Arista loop, covering the rounds they sat, what they were asked and how it ended. Each write-up has its own page and links to the questions it mentions.
Is there a guide to the Arista interview process?: There is one guide filed under Arista on this page, written round by round: what each stage covers, what it is assessing, and what to practise before it.
Do I need an account to practise Arista questions?: Browsing this page needs no account, and 3 of the 7 Arista questions listed here open in full for free. The rest are part of a paid plan, and every row says which it is before you click it.

How these questions are sourced and verified