Refer to the exhibit.

Which configuration ensures that the Cisco Discovery Protocol packet update frequency sent from DSW1 to ALS1 is half of the default value?

A.
DSW1(config)#cdp timer 90

B.
DSW1(config-if)#cdp holdtime 60

C.
DSW1(config)#cdp timer 30

D.
DSW1(config)#cdp holdtime 90

E.
DSW1(config-if)#cdp holdtime 30

F.
DSW1(config-if)#cdp timer 60