TransfermaticProfessors at Crafton Hills College

    David Liu

    Department
    CIS
    Recent Semesters Teaching
    Fall 2026, Spring 2026
    Typical Class Size
    30–35 students
    Fall 2026 Classes
    View David Liu's Fall 2026 classes
    Courses
    CIS 135 - Certified Ethical HackerCIS 136 - Introduction to CybersecurityCIS 137 - Cybersecurity EssentialsCIS 140 - Intro to NetworksCIS 141 - Switching, Routing & WirelessCIS 142 - Enterprise Networking, SecuritCIS 132 - Systems and Network AdministraCIS 138 - CCNA Cybersecurity Operations