Palo Alto Networks vs Zoho Interview Questions
Palo Alto Networks lists 46 LeetCode interview questions while Zoho lists 168. They share 22 problems — 48% of Palo Alto Networks's bank and 13% of Zoho's. Focus on the overlap first, then drill into 24 Palo Alto Networks-only and 146 Zoho-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 22 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Palo Alto Networks and Zoho.
Step 2 — Company-specific depth: Add Palo Alto Networks-specific problems like Find the Longest Equal Subarray, Logger Rate Limiter, Design HashMap and Zoho-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Zoho skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
22 Shared Questions
High-priority problems to practice for both Palo Alto Networks and Zoho.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| String Compression | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Add Two Numbers | Medium |
| Search in Rotated Sorted Array | Medium |
| Group Anagrams | Medium |
| Decode String | Medium |
| Merge Intervals | Medium |
| Merge Sorted Array | Easy |
| Median of Two Sorted Arrays | Hard |
| Restore IP Addresses | Medium |
| Integer to Roman | Medium |
| Longest Common Prefix | Easy |
| Subarray Sum Equals K | Medium |
| Two Sum | Easy |
| Merge Two Sorted Lists | Easy |
| Sliding Window Maximum | Hard |
| Word Break | Medium |
| Valid Parentheses | Easy |
| Basic Calculator II | Medium |
| Multiply Strings | Medium |
| Longest Palindromic Substring | Medium |
Unique to Palo Alto Networks (24)
Problems in Palo Alto Networks's list that do not appear at Zoho.
| Problem | Difficulty |
|---|---|
| Find the Longest Equal Subarray | Medium |
| Logger Rate Limiter | Easy |
| Design HashMap | Easy |
| Minimum Number of Food Buckets to Feed the Hamsters | Medium |
| Min Stack | Medium |
| Binary Tree Level Order Traversal | Medium |
| Insert Delete GetRandom O(1) | Medium |
| Top K Frequent Words | Medium |
| Linked List Cycle | Easy |
| Design Twitter | Medium |
| Maximum Profit in Job Scheduling | Hard |
| Diameter of Binary Tree | Easy |
Unique to Zoho (146)
Problems in Zoho's list that do not appear at Palo Alto Networks.
| Problem | Difficulty |
|---|---|
| Spiral Matrix | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Climbing Stairs | Easy |
| Trapping Rain Water | Hard |
| Compare Version Numbers | Medium |
| Sort Even and Odd Indices Independently | Easy |
| Daily Temperatures | Medium |
| Number of Islands | Medium |
| Largest Number | Medium |
| Generate Parentheses | Medium |
| Find Winner on a Tic Tac Toe Game | Easy |
| Rotate Image | Medium |
Frequently Asked Questions
How many LeetCode questions do Palo Alto Networks and Zoho share?
Palo Alto Networks and Zoho share 22 LeetCode interview questions. 24 problems appear only in Palo Alto Networks's list and 146 appear only in Zoho's list.
What topics overlap most between Palo Alto Networks and Zoho?
The most common shared topics between Palo Alto Networks and Zoho are String (12 shared questions), Array (10 shared questions), Hash Table (7 shared questions), Math (4 shared questions), Linked List (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Palo Alto Networks or Zoho?
Palo Alto Networks has 12 Easy, 29 Medium, and 5 Hard questions. Zoho has 54 Easy, 94 Medium, and 20 Hard questions. Zoho has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Palo Alto Networks and Zoho?
Start with the 22 shared problems since they cover what both companies ask most often. Then add 20 Palo Alto Networks-specific and 20 Zoho-specific questions to round out your prep.