Refer to the exhibit.

What configuration is needed in order for "show LLDP configuration" to show this output?
Refer to the exhibit.
What configuration is needed in order for "show LLDP configuration" to show this output?
No additional configuration is needed because LLDP is enabled by default on Aruba switches. The exhibit shows the default LLDP settings that come pre-configured. Therefore, just making sure the switch is running with its default configuration would result in the output shown in the exhibit.
A is correct, because LLDP is the discovery protocol in aruba and enabled by default..
A and here is the documentation for it: https://www.arubanetworks.com/techdocs/AOS-CX/10.10/HTML/cli_4100i/Content/Chp_Dev_disc/LLDP_cmds/lld.htm