A network administrator has configured VLAN 99 as the management VLAN and has configured it with an IP
address and subnet mask. The administrator issues the show interface vlan 99 command and notices that the
line protocol is down. Which action can change the state of the line protocol to up?
A. Configure a transport input method on the vty lines.
B. Connect a host to an interface associated with VLAN 99.
C. Remove all access ports from VLAN 99.
D. Configure a default gateway.