单项选择题
Which of the following is an EGP routing protocol?（）
A.IGP B.OSPF C.BGP D.RIP
单项选择题 At which of the following layers does the TFTP protocol operate?（）
单项选择题 Which of the following is a multifunction device in a SOHO network?（）
单项选择题 Which of the following utilities can be used to list the routing table?（）
