多项选择题
A. The border router is using a proper seed metric for OSPF
B. The border ro uter is using a proper seed metric for EIGRP
C. The administrative distance is set for OSPF and EIGRP
D. The missing EIGRP routes are present in the routing table of the border router
E. The subnet keyword on the border router in the redistribute EIG RP command
单项选择题 You have implemented mutua l route redistribution between OSPF and EIGRP on a border router. When checking the routing table on one of the EIGRP routers within the EIGRP routing domain, you are seeing some, but not all of the expected routes. What should you verify to troubleshoot this problem?（）
单项选择题 What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?（）
多项选择题 Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office?（）