多项选择题
On router R1， which three of the following protocols will be forwarded to a host specified by the "iphelper-address" interface configuration command if the configuration has not been modified by the"ip forward-protocol udp" global configuration command？（）
A.BOOTP B.TFTP C.ARP D.DNS E.proxy-ARP F.FTP G.CDP
多项选择题 Refer to the exhibit. Which two statements are true？（）
单项选择题 Refer to the exhibit. Based upon the information in the exhibit， which statement is true？（）
单项选择题 Refer to the exhibit. Which statement is true about the information that is given？（）
