A vendor laptop obtained an IP on the library VLAN. Which defense-system logs best explain how that device joined?
Select an answer to reveal the explanation.
Short Explanation
How did the laptop get a seat on the library VLAN? Ask the bouncer. NAC and 802.1X logs are identity-on-the-wire—CMS authors, mailbox rules, and S3 policies never issued that IP.
Full Explanation
Network access control and 802.1X logs record authentication, authorization, and VLAN assignment when a device joins the wired or wireless network. That is the right source for the vector question of how a vendor laptop received an address on the library VLAN. Website CMS tables, mailbox audit, and cloud object-store policy events answer unrelated civic questions. Pair NAC with DHCP and switch logs if needed, but start with identity-on-the-wire.