312-39 Question #1: Real Exam Question with Answer & Explanation

The SOC team is tasked with enhancing the security of an organization's network infrastructure. The organization's public-facing web servers, which handle customer transactions, need to be isolated from the internal private network containing sensitive employee data and proprietary systems. The goal is to create a buffer zone that limits exposure of internal systems if the web servers are compromised during a cyberattack, such as a DDoS or SQL injection attempt. As a SOC analyst, which network architecture component would you recommend implementing to establish this isolated region?