Security+ Training Course Index: Professor Messer’s Course Notes: Professor Messer's Practice Exams: Discount Exam Vouchers: Professor Messer Recommended Study Materials: - - - - - Network access control (NAC) is an important part of IT security. In this video, you’ll learn about posture assessments, compare persistent and dissolvable agents, and agentless NAC. - - - - - Subscribe to get the latest videos: Calendar of live events: Frequently Asked Questions: FOLLOW PROFESSOR MESSER: Professor Messer website: Discord chat: Twitter: Facebook: Instagram: LinkedIn: