CoS is applied for Layer 2 markings in an Ethernet environment. Which protocol must be configured on the Layer 2 switch port for CoS to work?
A. MPLS
B. IEEE 802.1W
C. IEEE 802.1Q
D. IEEE 802.1S
Answer:C
CoS is applied for Layer 2 markings in an Ethernet environment. Which protocol must be configured on the Layer 2 switch port for CoS to work?
A. MPLS B. IEEE 802.1W C. IEEE 802.1Q D. IEEE 802.1S