多项选择题
Which two mechanisms can be used to detect IPsec GRE tunnel failures？（）
A.Dead Peer Detection （DPD） B.CDP C.isakmp keepalives D.GRE keepalive mechanism E.The hello mechanism of the routing protocol across the IPsec tunnel
单项选择题 Refer to the exhibit. Which statement is true about the partial MPLS configuration that is shown？（）
单项选择题 Refer to the exhibit. Which statement is true about the configuration of split tunnels using SDM？（）
多项选择题 WhichtwostatementsabouttheCiscoAutoSecurefeaturearetrue？（）
