单项选择题
What does a Layer 2 switch use to decide where to forward a received frame?（）
A. source MAC address B. source IP address C. source switch port D. destination IP address E. destination port address F. destination MAC address
单项选择题 What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?（）
多项选择题 With regard to Ethernet media access methods, which of the following are true?（）
单项选择题 Which of the following are true of Ethernet technology?（）
