Arista Networks vs Zeta Interview Questions
Arista Networks lists 39 LeetCode interview questions while Zeta lists 30. They share 4 problems — 10% of Arista Networks's bank and 13% of Zeta's. Focus on the overlap first, then drill into 35 Arista Networks-only and 26 Zeta-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 4 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Zeta.
Step 2 — Company-specific depth: Add Arista Networks-specific problems like Construct String With Repeat Limit, Find the Town Judge, Restore IP Addresses and Zeta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zeta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
4 Shared Questions
High-priority problems to practice for both Arista Networks and Zeta.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Word Break | Medium |
Unique to Arista Networks (35)
Problems in Arista Networks's list that do not appear at Zeta.
| Problem | Difficulty |
|---|---|
| Construct String With Repeat Limit | Medium |
| Find the Town Judge | Easy |
| Restore IP Addresses | Medium |
| Reorder List | Medium |
| Course Schedule II | Medium |
| Reverse Linked List II | Medium |
| Remove Linked List Elements | Easy |
| Contains Duplicate II | Easy |
| Inorder Successor in BST II | Medium |
| Maximum Depth of Binary Tree | Easy |
| Copy List with Random Pointer | Medium |
| Missing Number | Easy |
Unique to Zeta (26)
Problems in Zeta's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Apply Operations to Make Two Strings Equal | Medium |
| Split Array Largest Sum | Hard |
| Minimum Window Substring | Hard |
| Capacity To Ship Packages Within D Days | Medium |
| Trapping Rain Water | Hard |
| Palindrome Partitioning II | Hard |
| Task Scheduler | Medium |
| Remove Boxes | Hard |
| Next Greater Element II | Medium |
| Maximal Rectangle | Hard |
| Count Univalue Subtrees | Medium |
| Insert Delete GetRandom O(1) | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Zeta share?
Arista Networks and Zeta share 4 LeetCode interview questions. 35 problems appear only in Arista Networks's list and 26 appear only in Zeta's list.
What topics overlap most between Arista Networks and Zeta?
The most common shared topics between Arista Networks and Zeta are Hash Table (2 shared questions), String (2 shared questions), Array (2 shared questions), Dynamic Programming (2 shared questions), Linked List (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Zeta?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Zeta has 0 Easy, 20 Medium, and 10 Hard questions. Zeta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Zeta?
Start with the 4 shared problems since they cover what both companies ask most often. Then add 20 Arista Networks-specific and 20 Zeta-specific questions to round out your prep.