Complete, exam-focused prep for EC-Council's Computer Hacking Forensic Investigator v11 (exam 312-49v11). Covers the full digital-forensics lifecycle across five domains: forensic fundamentals and the investigation process (Locard's principle, chain of custody, order of volatility, legal admissibility and expert testimony); storage media, file systems and data acquisition (disks, MBR/GPT, NTFS/$MFT/ADS, ext4/APFS, write blockers, bit-for-bit imaging, hashing, and file carving); OS forensics and anti-forensics (Windows registry/prefetch/$MFT artifacts, memory forensics with Volatility, Linux/macOS artifacts, and defeating steganography/timestomping/wiping); network, malware, web, email and database forensics; and cloud, mobile, IoT and dark-web forensics plus professional reporting. Includes the real toolset (FTK Imager, Autopsy/Sleuth Kit, EnCase, Magnet AXIOM, Volatility, RegRipper, Wireshark, Cellebrite, YARA), exam-trap callouts, per-domain mastery checks, a 50-question blueprint-weighted mock, a full-length 125-question exam simulator, and a spaced-repetition flashcard deck. CHFI v11 is 150 multiple-choice questions in 4 hours; passing is 700/1000 (70%). For authorized, lawful investigative use only.