David Liu

Department: CIS
Recent Semesters Teaching: Fall 2026, Spring 2026
Typical Class Size: 24–30 students
Rating: 1.7/ 5· 3 ratings33% would take again · 4.7 / 5 difficulty
Fall 2026 Classes: View David Liu's Fall 2026 classes
Courses: CIS 135 - Certified Ethical Hacker CIS 136 - Introduction to Cybersecurity CIS 137 - Cybersecurity Essentials CIS 140 - Intro to Networks CIS 141 - Switching, Routing & Wireless CIS 142 - Enterprise Networking, Securit CIS 132 - Systems and Network Administra CIS 138 - CCNA Cybersecurity Operations