[单选] 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（）

风积作用定义及风积地貌类型？ 按生产组织的特点，工业企业生产可分为（）、（）和（）三种。 语音的本质属性是（）。 生理属性。 物理属性。 社会属性。 自然属性。 土粒密度 指出下列句子中通假字并说明意义。邹忌脩八尺有余。 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（）