On which types of network will OSPF elect a backup designated router?（）A、point-to-point and multiaccessB、point-to-multipoint and multiaccessC、point-to-point and point-to-multipointD、nonbroadcast and broadcast multipointE、nonbroadcast and broadcast multiaccess
On which types of network will OSPF elect a backup designated router?（）
- A、point-to-point and multiaccess
- B、point-to-multipoint and multiaccess
- C、point-to-point and point-to-multipoint
- D、nonbroadcast and broadcast multipoint
- E、nonbroadcast and broadcast multiaccess
相关考题：
Which of the following three port types are valid Spanning Tree port types？（Choose the best threeanswers.）（）A、Designated portB、Nonswitch portC、Switch portD、Nonroot portE、Nondesignated portF、Root port
Which three message types are valid PIMv2 message types？（）A、RegisterB、Register-StopC、Join/PruneD、RejectE、Register-PruneF、Register-Join
Which of the following media types is the MOST durable in harsh environments?（）A、DiskB、TapeC、OpticalD、Flash
On which of the following transmission media types can LC connectors be found?（）A、UTPB、STPC、CoaxialD、Fiber
多选题Which of the following three port types are valid Spanning Tree port types？（Choose the best threeanswers.）（）ADesignated portBNonswitch portCSwitch portDNonroot portENondesignated portFRoot port
多选题Which three message types are valid PIMv2 message types？（）ARegisterBRegister-StopCJoin/PruneDRejectERegister-PruneFRegister-Join
多选题Which four are types of functions available in SQL? （）AstringBcharacterCintegerDcalendarEnumericFtranslationGdateHconversion