Coding - Firewall CIDR Rules - Databricks Interview Question | DarkInterview

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Firewall CIDR Rules

CodingOnsite, PhoneSoftware EngineerReported Jun, 2026High Frequency

Problem Overview

You are given a firewall configuration represented as a list of rules. Each rule contains:

An action: "ALLOW" or "DENY"
A CIDR block (IP range in CIDR notation, e.g., "192.168.1.0/24")

Given a...