You want to minimize the number of IP addresses, subnets and policies in use. How should you you configure your tunnel interface?
A.
Configure the tunnel interface with an IP address with a 32 bit subnet mask
B.
Configure the tunnel interface as unnumbered but place the tunnel interface in a different zone than the designated interface
C.
Configure the tunnel interface with an IP address with a 30 bit subnet mask
D.
Configure the tunnel interface as unnumbered and place the interface in the same zone as the designated interface