Why does the implementation plan require a four-hour wait after removing the FHRP configuration?

Refer to the exhibit.

The organization is migrating away from FHRP. VSS has been implemented on a pair of Cisco Catalyst 6500 Series Switches. In order to avoid changes to end hosts, the default gateway is carried over to the SVI on the VSS.

Why does the implementation plan require a four-hour wait after removing the FHRP configuration?
A . The VLAN interface MAC address and the FHRP MAC address are different. It takes four hours for the VLAN interface to come up.
B . The SVI IP address and the FHRP IP address are different. It takes four hours for the SVI to come up.
C . The VLAN interface MAC address and the FHRP MAC address are different. It takes four hours for the ARP cache to time out.
D . The VLAN interface IP address and the FHRP IP address are different. It takes four hours for the VLAN interface to come up.
E . The VLAN interface IP address and the FHRP IP address are different. It takes four hours for the ARP cache to time out.

View Answer

Answer: C