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Application development team users are having issues accessing the database server within the cloud environment. All other users are able to use SSH to access this server without issues. The network architect reviews the following information to troubleshoot the issue: Traceroute output from an application developer's machine with the assigned IP 192.168.2.7: * Application development gateway: 192.168.2.1/24 * Server segment gateway: 192.168.1.1/24 * Database server: 192.168.1.9 * Application developer machine IP: 192.168.2.7 * Traceroute ends at hop 4: 192.168.4.1 (server segment firewall), then times out Which of the following is the most likely cause of the issue?
Correct Answer: C
Comprehensive and Detailed Explanation From Exact Extract: The traceroute shows that the traffic successfully passes through the application development network (192.168.2.1), to the server segment gateway (192.168.1.1), and reaches the serversegment firewall (192.168.4.1). However, it times out immediately after hitting 192.168.4.1, indicating that the traffic is being dropped or filtered at that firewall. Because other users (outside of the application development segment) are able to SSH into the database server (192.168.1.9), the issue is not with the database server itself or the core network. This points to the server segment firewall blocking traffic originating from the application development subnet (192.168.2.0/24), which is a common practice in segmented network designs unless proper access rules are defined. Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Network Segmentation and Firewall Rules": "Firewalls between network segments may enforce security policies that restrict access based on source /destination IP and port. Lack of proper allow rules can result in blocked traffic even if routing is successful." Other options: * A. The core firewall is not in the traceroute path; it is irrelevant to this specific flow. * B. NSGs (Network Security Groups) apply to cloud workloads, but the behavior and hop-by-hop flow suggest it is a firewall-level issue, not NSG misconfiguration. * D. Bandwidth issues would typically show packet loss or high latency, not consistent timeouts at a specific hop.
