A systems administrator wants to provide for and enforce wireless access accountability during events where external speakers are invited to make presentations to a mixed audience of employees and…

Shared accounts eliminate individual accountability, as multiple users access the network with the same credentials, making it impossible to identify which person performed specific actions.

Preshared passwords provide no individual accountability, as all users share the same credential, preventing the identification of specific user actions on the network.

Least privilege is a security principle for granting minimal necessary access but does not inherently provide a mechanism for individual accountability for guest users.

Sponsored guest access mechanisms require an internal employee (sponsor) to create temporary, individualized accounts for external users. This system inherently provides accountability by linking each guest's network activity to a specific, identifiable account and potentially to their sponsor, directly addressing the need to track external speakers.