Refer to the exhibit.

The switches in the exhibit are all HP ProVision switches that run Multiple Spanning Tree Protocol (MSTP).
The network administrator wants all of the switch-to-switch links shown in the exhibit to be available for
forwarding routed traffic. What should the administrator do to accomplish this?

A.
Configure the switch-to-switch ports as MSTP auto-edge ports.

B.
Configure link-keepalive on the switch-to-switch ports.

C.
Configure BPDU filters on the switch-to-switch ports.

D.
Configure links on a switch as a standard link aggregation.