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[Networking Fundamentals - VLAN Trunking] What protocols are used to configure trunking on a switch? * VLAN Trunking Protocol * VLAN * 802.1Q * ISL
Correct Answer: B
The two actual trunking protocols used to carry VLAN-tagged frames across switch links are: * IEEE 802.1Q - Industry-standard trunking protocol * ISL (Inter-Switch Link) - Cisco proprietary trunking protocol VLANs themselves define broadcast domains but are not a trunking protocol. VLAN Trunking Protocol (VTP) is used to distribute VLAN configuration but not to trunk data. MTCNA Course Material - VLAN and Trunking Overview: "802.1Q is the standard VLAN trunking protocol. ISL is a Cisco-specific protocol. VTP is used for VLAN propagation, not actual trunking." Rene Meneses MTCNA Study Guide - VLAN Technologies: "802.1Q and ISL are trunking methods. VTP helps with VLAN configuration but is not a trunking protocol." Correct trunking protocols: 802.1Q and ISL Final