Complete, exam-focused prep for EC-Council's Certified Network Defender v3 (exam 312-38) — the blue-team, defense-in-depth companion to CEH. Covers the full network-defense program across five domains: network-defense fundamentals and security controls (defense in depth, administrative/technical/physical controls, AAA and access models, zero trust); perimeter and network defense (firewalls, IDS/IPS, VPNs, proxies/WAF, NAC and the DMZ); endpoint, application and data security (Windows/Linux/mobile/IoT hardening, patch and configuration management, encryption, DLP, 3-2-1 backups, and container security); cloud, wireless, traffic and log monitoring (shared responsibility, CSPM/CASB, WPA3/802.1X and WIPS, traffic baselining, SIEM and SOAR); and incident response, business continuity and disaster recovery, risk management, attack-surface analysis, and cyber threat intelligence. Includes the real blue-team toolset (Snort/Suricata, Zeek, Wireshark, Splunk/ELK/Sentinel, Nessus, EDR, CSPM), exam-trap callouts, per-domain mastery checks, a 50-question mock, a full-length 125-question exam simulator, and a spaced-repetition flashcard deck. CND v3 is 100 multiple-choice questions in 4 hours with a scaled passing score (60-85%). For authorized, defensive use.
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