Final answer:
NAP (Network Access Protection) is the Microsoft technology that can verify client's Windows updates and antivirus software before network access.
Step-by-step explanation:
The Microsoft technology that can verify that a client has the newest Windows updates and an updated antivirus software package before being allowed access to the network is NAP, which stands for Network Access Protection.
NAP is a feature of Windows Server that helps to ensure the health and security of client computers that are connecting to a network. It checks if a client meets certain health requirements, such as having the latest updates and antivirus software, before granting network access.
This technology can help organizations enforce compliance with security policies and reduce the risk of network threats.