再保险是一种契约关系，确立这种契约关系的双方是（） ["被保险人与保险人","被保险人与分保接受人","投保人与保险人","保险人与分保接受人"]
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（） ["Each router has an identical link state database.","External routes are imported into a separate link state database.","Syn chronization of link state databases is maintained via floodingo f LSAs.","Information in the link state database is used to build a routing table by calculating a shortest-path tree.","By default,link state databases are refreshede very 10 minutes in the absence of topology changes."]
Which two statements are true about the function of CAC？ （） [" CAC provides guaranteed voice quality on a link."," CAC artificially limits the number of concurrent voice calls."," CAC is used to control the amount of bandwidth that is taken by a call on a link."," CAC prevents oversubscription of WAN resources that is caused by too much voice traffic."," CAC allows an unlimited number of voice calls while severely restricting， if necessary， other forms of traffic."," CAC solves voice congestion problems by using QoS to give priority to UDP traffic."]
常见金属矿物有
行政处罚法规定违法行为由哪个行政机关管辖？
什么是阶梯式凸模冲裁？
