Palo Alto Networks

Apprentice Engineer Interview Experience - Bengaluru, Karnataka

July 1, 2025

Positive ExperienceNo Offer

Process

Online Assessment (OA)

Usually includes:

Aptitude (Quant + Logical Reasoning)
Basic Programming (C++/Java/Python)
Output prediction / Debugging
MCQs on OS, DBMS, DSA

Tips:

Practice on HackerRank, Codeforces, Leetcode Easy-Medium
Brush up topics: sorting, searching, recursion, arrays, strings, pointers

Interview Statistics

The following metrics were computed from 2 interview experiences for the Palo Alto Networks Apprentice Engineer role in Bengaluru, Karnataka.

Success Rate

50%

Pass Rate

Palo Alto Networks's interview process for their Apprentice Engineer roles in Bengaluru, Karnataka is fairly selective, failing a large portion of engineers who go through it.

Experience Rating

Positive50%

Neutral50%

Negative0%

Candidates reported having very good feelings for Palo Alto Networks's Apprentice Engineer interview process in Bengaluru, Karnataka.

Palo Alto Networks Interview Questions

Longest Common Prefix

Easy

Find the longest string that is a prefix of all strings in a given array. If no common prefix exists, return an empty string.

ArraysStrings

LRU Cache

Medium

Design a data structure that acts as a Least Recently Used (LRU) cache. Implement methods to get and put key-value pairs, evicting the least recently used entry when the cache is full.

Linked ListsArraysDynamic Programming

Find the Longest Equal Subarray

Medium

Given an array and a maximum allowed difference, find the longest subarray where the most frequent element appears at least the same number of times as all other elements combined. You can change elements by at most the allowed difference amount to achieve this.

ArraysTwo PointersSliding Windows