Final answer:
To display SYSLOG server settings for every AP joined to the WLC, access the WLC's web interface and go to the AP Join Statistics page where you will find a table with the necessary information.
Step-by-step explanation:
To display the SYSLOG server settings for every AP joined to the WLC, you need to access the Wireless LAN Controller (WLC) device. From the WLC's web interface, navigate to the AP Join Statistics page, where you can find a table listing all the Access Points (APs) joined to the WLC. In this table, you can view the SYSLOG server settings for each AP.