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Companies / Zscaler

Zscaler interview questions

Explore questions associated with Zscaler. Review the source details, then use the workspace for code, notes, and diagrams.

15 questions in the library. A source association does not guarantee a future interview question.

Behavioral and leadership · Coding · System design

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Zscaler interview questions | SysRound

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15 questions

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System designDifficulty not specified
Design a Log Ingestion System for a SIEM Server
Design a resilient log ingestion system that collects and forwards logs from a product to customers' SIEM instances, optimizing for high availability, fault tolerance, and…
Companies: Zscaler
Last reported Oct 2026
Open workspace
System designDifficulty not specified
Design a Policy Delivery System for Cloud and Mobile Endpoints
Design a multi-tenant policy configuration and delivery system that allows administrators to define, manage, and distribute policies to nodes configured in the cloud as well…
Companies: Zscaler
Last reported Oct 2026
Open workspace
Behavioral and leadershipDifficulty not specified
Tell me about something you find interesting when working on a project

Companies: Zscaler

Last reported Oct 2026

CodingMediumLeetCode 102

Binary Tree Level Order Traversal

Return the values of a binary tree grouped by depth, from left to right for each level (i.e., a level-order / breadth-first traversal). For an…

Companies: Zscaler, Meta, Visa

Last reported Sep 2026

CodingMediumLeetCode 146

LRU Cache

Implement an LRUCache that supports O(1) average-time get(key) returning the value or -1 and put(key, value) which inserts or updates a key and, if capacity…

Companies: Zscaler, Adobe, Amazon, Anthropic +29

Data Structure Design · Design · Doubly-Linked List · Hash Table

Last reported Sep 2026

Behavioral and leadershipDifficulty not specified

If you could rebuild a significant part of your work that was created before AI, what would you do differently?

Companies: Zscaler

Last reported Apr 2026

Behavioral and leadershipDifficulty not specified

Tell me about a time when an emerging technology disrupted your industry and how you responded to it.

Companies: Zscaler

Last reported Apr 2026

Behavioral and leadershipDifficulty not specified

Tell me about a time you dealt with AI security concerns

Companies: Zscaler

Last reported Apr 2026

Behavioral and leadershipDifficulty not specified

Tell me about your experience working with agentic AI frameworks

Companies: Zscaler, Amazon

Last reported Apr 2026

Behavioral and leadershipDifficulty not specified

Tell me about yourself

Question: Tell me about yourself

Companies: Zscaler, Adyen, Amazon, Anthropic +13

Last reported Apr 2026

Behavioral and leadershipDifficulty not specified

Tell me about a project of your choice and its challenges

Companies: Zscaler, Apple, Atlassian, Bloomberg +7

Last reported Mar 2026

System designMedium

Design a URL shortener like Bitly

Read-heavy key-value service: unique short-code generation, hot-key caching, redirect semantics.

Companies: Zscaler, Amazon, Anduril, Apple +26

API Design · caching · hot-keys · http-redirects

Last reported Jan 2026

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CodingMediumLeetCode 3

Longest Substring Without Repeating Characters

Find the length of the longest contiguous substring that contains no repeated characters. This is a classic sliding-window / two-pointer problem where you track seen…

Companies: Zscaler, Amazon, Apple, Autodesk +12

Hash Table · Sliding Window · String

Last reported Jan 2026

Behavioral and leadershipDifficulty not specified

Tell me about one of the biggest accomplishments in your career so far.

Companies: Zscaler, Google, Meta, Oracle

Last reported Jan 2026

System designDifficulty not specified

Design an end-to-end RAG application with ingestion pipeline

Design a Retrieval-Augmented Generation (RAG) system that allows users to ingest documents, process them through an embedding pipeline, and query the knowledge base to receive…

Companies: Zscaler, SAP

Last reported Nov 2025