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- A second router is elected as a backup designated router (BDR) to take over the duties of the DR if it should fail. 第二个路由器被选举来当备份指定路由器(BDR)以取代假如DR失效的责任。
- OSPF elects a designated router (DR) to be the focal point of all link-state updates and link-state advertisements. OSPF选举指定路由器(DR)来当作所有链路状态更新和链路状态广播的中心。
- Because the DR role is critical, a backup designated router (BDR) is elected to take over if the DR fails. 因为DR角色是重要，假如DR失效时，备份指定路由器(BDR)被选举来取代。
- A: DR means designated router, BDR means backup designated router, and DROTHER means a router that is neither the DR or the BDR. 答：博士手段指定路由器， bdr手段备份指定路由器和drother是指路由器，既不是博士，或bdr 。
- Refer to the exhibit. Why are two OSPF designated routers identified on Core_Router? OSPF的进程号只在本地有效。在一台路由器上需要为每个进程维护各自的OSPF数据库。
- To ensure that both the DR and the BDR see the link-states all routers send on the segment, the multicast address for all designated routers, 224.0.0.6, is used. 为保证DR和BDR两者知道在这区段所有路由器发送的链路状态，给所有指定路由器的多点广播位址224.;0
- Even an oversight in the design might issue in heavy losses. 设计中那怕是一点点疏忽也可能造成重大的损失。
- the state of the OSPF DR/BDR (designated router / backup designated router) election process? 下列哪个特权指令可以显示OSPF中的DR/BDR选举进程？
- The area has been designated as natural reserve. 该地区已被指定为一个自然保护区。
- The town has been designated a development area. 该城市已被定为开发区。
- There is an inherent weakness in the design. 这设计本身存在弱点。
- This dress is of the latest design. 这件衣服是最新设计。
- He did it whether by accident or design. 不知道他是偶然还是有意做了这件事。
- A Method for Designing Router Protocol of Mobile Wireless Ad Hoc Network 一种无线移动自组织网络路由协议设计方法
- Be careful to match this design with that. 注意把这个设计兴那个设计互相调配。
- He was designated to lead the expedition. 他被指派率领远征队。
- The ruler of a kingdom is designated a king. 王国的统治者称作国王。
- She was designated sportswoman of the year. 她被指定为本年度的体坛明星。
- A machine of faulty design will not sell well. 设计不良的机器销路不会好。
- The full range of type of the same design. 同一种图案的铅字的全范围
