多项选择题
A.The number of collision domains would decrease.
B.The number of collision domains would increase.
C.The number of broadcast domains would remain the same.
D.The number of collision domains would remain the same.
E. The number of broadcast domains would increase.
单项选择题 Refer to the graphic.Host A is communicating with the seiver. What will be the source MAC address of the frames received by Host A from the server?（）
多项选择题 Which of the following correctly describe steps in the OSI data encapsulation process?（）
单项选择题 A receiving host computes the checksum on a frame and determines that the frame is damaged.The frame is then discarded.At which OSI layer did this happen?（）
