Palo Alto Networks

Software Engineering Intern Interview Experience - United States

February 1, 2017

Positive ExperienceNo Response

Process

Three phone screens:

First phone screen on the basics of networking and scripting.
Second round with the hiring manager, where he took a topic and drilled into detail (it was on iptables for me).
Third round on dictionaries, JSON parsing, etc.

Interview Statistics

The following metrics were computed from 2 interview experiences for the Palo Alto Networks Software Engineering Intern role in United States.

Success Rate

50%

Pass Rate

Palo Alto Networks's interview process for their Software Engineering Intern roles in the United States is fairly selective, failing a large portion of engineers who go through it.

Experience Rating

Positive100%

Neutral0%

Negative0%

Candidates reported having very good feelings for Palo Alto Networks's Software Engineering Intern interview process in United States.

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