多项选择题
A. The type of application used on the network
B. The type of system bus used by the computers
C. The type of memory installed in each computer
D. The type of media used in the network topology
E. The type of protocols used in the network
F. The physical layout of the network hosts
多项选择题 On a Cisco network, which of the following modes of flow control are commonly used to mitigate the effects of busy data networks?（）
多项选择题 After replacing the NIC card of a PC on the LAN, your Cisco switch shows a new MAC address is attached to that port. Which of the following answer choices below correctly describe a MAC address?（）
多项选择题 Which of the following correctly describe the various functions and virtues of a router?（）