A network administrator is securing a new Cisco switch according to best practices. Which statement accurately describes a key characteristic of the default VLAN?
The default VLAN can be disabled by using the shutdown command in the VLAN configuration.
The default VLAN's ID can be changed to another number (e.g., VLAN 999) to enhance security.
The default VLAN cannot be deleted from the switch.
The default VLAN should be pruned from trunks, but it must be used for all management traffic.
The correct statement is that the default VLAN cannot be deleted. On Cisco switches, VLAN 1 is the default VLAN and is integral to the switch's operation for control plane traffic and initial setup. It cannot be deleted or shut down. While it is a security best practice to move all user and management traffic to other VLANs, the default VLAN itself remains. The default VLAN ID cannot be changed, and while some control protocols use it, it is not the exclusive VLAN for all control traffic.
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Cisco CCNA 200-301
Network Access
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