What will happen in this scenario?

Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13. An 802. 1Q trunk is configured between the two switches. On CAT1, VLAN 10 is chosen as native, but on CAT2 the native VLAN is not specified.

What will happen in this scenario?
A . 802.1Q giants frames could saturate the link.
B . VLAN 10 on CAT1 and VLAN 1 on CAT2 will send untagged frames.
C . A native VLAN mismatch error message will appear.
D . VLAN 10 on CAT1 and VLAN 1 on CAT2 will send tagged frames.

Answer: C