单项选择题
A.IGP B.OSPF C.BGP D.RIP
At which of the following layers does the TFTP protocol...
单项选择题At which of the following layers does the TFTP protocol operate?（）
A.Layer 1 B.Layer 4 C.Layer 5 D.Layer 7
Which of the following is a multifunction device in a S...
单项选择题Which of the following is a multifunction device in a SOHO network?（）
A. Bandwidth shaper B. Proxy server C. Wireless router D. Load balancer
Which of the following utilities can be used to list th...
单项选择题Which of the following utilities can be used to list the routing table?（）
A.ipconficj B.nslookup C.netstat D.dig
