The lack of which two prevents VTP information from propagating between switches? (Choose two.)
A.
A root VTP server
B.
A trunk port
C.
VTP priority
D.
VLAN 1
Explanation:
In Switch tow types of links are available, access and trunk. The interface is in access mode can carry the information of only one VLAN and trunk can carry the information of more than one VLAN. VTP carry the information of more than one vlan so Switch port should be in trunk mode. VLAN1 is the default VLAN on Cisco Switch, by default all interface belongs to VLAN 1.