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Arista Networks interview questions

The most frequent LeetCode problems tagged to Arista Networks. This is a data-only page. For process and behavioral prep, use the coding guide and behavioral guide.

Based on 2 distinct problems tagged to Arista Networks in the last 6 months (2 in the last 30 days, 2 in the last 3 months, 43 all-time) across two open datasets of LeetCode company tags. Tags are user-reported, so treat frequency as a signal, not a promise.

Difficulty mix (last 6 months): Hard 100%

Most tagged topics (share of problems): Hash Table 50%, Linked List 50%, Design 50%, Doubly-Linked List 50%, String 50%, Binary Search 50%

Watch out: Arista Networks has thin LeetCode data. Weight the reported questions and the format notes above more than this list.

Most frequent problems

Ranked by frequency, weighted toward the last 30 days. Classics like Two Sum sit near the top of almost every company's list because users tag them everywhere. Solve those fast. The signature list below is more specific to this company.

# Problem Difficulty Last seen Topics
1 LFU Cache Hard 30 days Hash Table, Linked List, Design, Doubly-Linked List
2 Smallest Substring With Identical Characters II Hard 30 days String, Binary Search

Signature problems

Problems where Arista Networks accounts for a large share of all recent tags across companies. These are the most Arista Networks-specific questions in the data.

# Problem Difficulty Last seen Topics
1 Smallest Substring With Identical Characters II Hard 30 days String, Binary Search

Sources

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