单项选择题 You have amulti-area OSPF network and you’re concerned because one of the sites is having connectivity problem to resources in a different area. Which IOS privileged mode command would you enter to confirm that your network ：A.has a path to itsABR，B.has a path to itsASBR，and C.the SPF calculation is functional（）

单项选择题 Which command should you use to verify what networks are being routed by a given OSPF process（）

多项选择题 While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）