CSMA/CD的工作机制是什么

A. [Quidway-Ethernet0/1] port link-type trunk
B. [Quidway] port link-type trunk
C. [Quidway-Ethernet0/1] port trunk permit vlan all
D. [Quidway-Ethernet0/1] port trunk pvid vlan_id

A. Search Engine Marketing
B. Search Engine Optimization
C. Search Engine Tarketing
D. Search Engine Darketing

A. Click Through Blue
B. Click Through Rate
Click Through Yellow
D. Click Through Green