What are three results of issuing the switchport host command? (Choose three.)

A.
disables EtherChannel

B.
enables port security

C.
disables Cisco Discovery Protocol

D.
enables PortFast

E.
disables trunking

F.
enables loopguard

Explanation:
The switchport host command disables channeling, enables spanning-tree portfast and
enables the switchport nonegotiate command to turn off DTP negotiation packets.
Reference:
http://www.cisco.com/en/US/products/hw/switches/ps700/products_tech_note09186a008015
bfd6.shtml#hostfix