Why is VLAN 99 missing based on the exhibited configuration and output?

1. Because there is a cabling problem on VLAN 99
2. Because VLAN 99 is not a valid management VLAN
3. Because VLAN 1 is up and there can only be one management VLAN on the switch
4. Because VLAN 99 needs to be entered as a VLAN under an interface before it can become an active interface
5. Because the VLAN 99 has not been manually entered into the VLAN database with the VLAN 99 command