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，VLAN10 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、VLAN10 on CAT1 and VLAN1 on CAT2 will send untagged frames.
• C、A native VLAN mismatch error message will appear.
• D、VLAN10 on CAT1 and VLAN1 on CAT2 will send tagged frames.