| Exam 300-320 | Question id=2621 | Network Services |
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 |