CCNA 200 301 Network Access

Explanation/Reference:
Section: Network Access
VLAN 1 is a system default VLAN, you can use this VLAN but you cannot delete it. By default VLAN 1 is use for every port on the switch.
Standard VLAN range from 1002-1005 it's Cisco default for FDDI and Token Ring. You cannot delete VLANs 1002-1005. Mostly we don't use VLAN in this range.