Arista Networks vs Oracle Interview Questions
Arista Networks lists 39 LeetCode interview questions while Oracle lists 314. They share 27 problems — 69% of Arista Networks's bank and 9% of Oracle's. Focus on the overlap first, then drill into 12 Arista Networks-only and 287 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 27 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Arista Networks and Oracle.
Step 2 — Company-specific depth: Add Arista Networks-specific problems like Construct String With Repeat Limit, Find the Town Judge, Reorder List and Oracle-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Oracle skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
27 Shared Questions
High-priority problems to practice for both Arista Networks and Oracle.
| Problem | Difficulty |
|---|---|
| Reverse Nodes in k-Group | Hard |
| Restore IP Addresses | Medium |
| Course Schedule II | Medium |
| Reverse Linked List II | Medium |
| Remove Linked List Elements | Easy |
| Maximum Depth of Binary Tree | Easy |
| Copy List with Random Pointer | Medium |
| Missing Number | Easy |
| LRU Cache | Medium |
| Search in Rotated Sorted Array | Medium |
| Simplify Path | Medium |
| Remove Duplicates from Sorted List II | Medium |
| Permutations | Medium |
| Merge In Between Linked Lists | Medium |
| Palindromic Substrings | Medium |
| Path Sum II | Medium |
| Longest Palindromic Substring | Medium |
| Word Search | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Maximum Subarray | Medium |
| Swap Nodes in Pairs | Medium |
| Word Break | Medium |
| Top K Frequent Elements | Medium |
| Edit Distance | Medium |
| Valid Palindrome | Easy |
| Decode String | Medium |
| Merge Two Sorted Lists | Easy |
Unique to Arista Networks (12)
Problems in Arista Networks's list that do not appear at Oracle.
Unique to Oracle (287)
Problems in Oracle's list that do not appear at Arista Networks.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Two Sum | Easy |
| Group Anagrams | Medium |
| Sliding Window Maximum | Hard |
| Valid Parentheses | Easy |
| Merge k Sorted Lists | Hard |
| Merge Intervals | Medium |
| Meeting Rooms II | Medium |
| Spiral Matrix | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
| Asteroid Collision | Medium |
Frequently Asked Questions
How many LeetCode questions do Arista Networks and Oracle share?
Arista Networks and Oracle share 27 LeetCode interview questions. 12 problems appear only in Arista Networks's list and 287 appear only in Oracle's list.
What topics overlap most between Arista Networks and Oracle?
The most common shared topics between Arista Networks and Oracle are String (10 shared questions), Linked List (9 shared questions), Array (7 shared questions), Hash Table (6 shared questions), Recursion (5 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Arista Networks or Oracle?
Arista Networks has 12 Easy, 26 Medium, and 1 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Oracle has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Arista Networks and Oracle?
Start with the 27 shared problems since they cover what both companies ask most often. Then add 12 Arista Networks-specific and 20 Oracle-specific questions to round out your prep.