Which two options are the Layer 2 protocols? (Choose two.)
Which two options are the Layer 2 protocols? (Choose two.)
802.1Q is a protocol for VLAN tagging, and it operates at Layer 2, dealing with data link layer functions in networking. STP (Spanning Tree Protocol) is another Layer 2 protocol that prevents loops in network switches. Therefore, 802.1Q and STP are the two correct Layer 2 protocols.
Correct Answer:A,c https://www.cisco.com/en/US/docs/switches/lan/catalyst3850/software/release/3se/consolidated_guide/b_consolidated_3850_3se_cg_chapter_01001001.html https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/layer2/configuration/xe-16-12/layer2-config-16-12-book.pdf