Cisco Certified Network Professional 2026 Complete Practice Test

The description of extended VLANs is accurate in stating that they range from 1001 to 4094. Extended VLANs are a concept used within the IEEE 802.1Q standard for VLAN tagging in Ethernet networks. While standard VLANs are numbered between 1 and 1005, extended VLANs provide a larger range for defining VLANs, allowing network administrators more flexibility in segmenting traffic across the network.

These extended VLANs can be utilized for various purposes, such as separating large numbers of broadcast domains within a single network or when managing complex network topologies. This capability becomes particularly valuable in larger enterprise environments where multiple VLANs may be necessary.

The other choices focus on different aspects of VLAN functionality that do not accurately describe extended VLANs. For example, while the concept of spanning switches can pertain to both standard and extended VLANs, it does not specifically define what extended VLANs are. Similarly, extended VLANs can indeed be leveraged in various VTP (VLAN Trunking Protocol) modes, but being applicable in specific modes does not encapsulate their broader identification by range. Limiting extended VLANs to a single switch also misrepresents their purpose and functionality, as they are designed to provide extended options across switches in