what is ABR?
Area Border Router (ABR) is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas?()
ABR R1 has been configured with an area 1 stub no - summary command. Which stubby area type is area 1?()
关于ABR系统说法正确的是:()
The following command output was gathered from Router R1, an ABR between areas 0 (backbone) and area 1. In this internetwork, area 0 contains all the subnets of cla ss A network 10.0.0.0. R1's OSPF process has a distribute - list prefix question in command configured. Assuming the subnets listed in the answers actually exist in area 0. Which of the following occurs on router R1?() R1#sh ip prefix - list ip prefix - list question: 4 entries seq 5 deny 10.1.2.0/24 ge 25 le 27 seq 15 deny 10.2.0.0/16 ge 30 le 30 seq 20 permit 0.0.0.0/0 le 32
R1, an ABR between backbone area 0 and area 1, has intra - area routes in area 0 for 10.1.1.0/24,10.1.2.0/24, and 10.1.3.0/24. These routes have metrics of 21, 22, and 23, respectively. An engineer then adds the area 0 r ange 10.1.0.0 255.255.0.0 command under the OSPF process of R1. Which of the following is true?()
Which IS - IS router is equivalent to an ABR in OSPF?()
ABR用来连接骨干区域和非骨干区域,它与骨干区域之间既可以是物理连接,也可以是逻辑上的连接。
()由区域边界路由器(ABR)产生,描述了区域间的目标网络。
Which of the following is an OSPF configuration parameter that is used on an ABR, but not on an internal router?()