Huawei
H31-161 · Question #171
Refer to the exhibit. As shown in the figure, RTA, RTB, RTC, and RTD are connected through a switch. From small to large in order of the MAC address, the four routers are arranged as follows: RTB…
The correct answer is C. Level 2 IS-IS BFD sessions are set up between RTD and RTA as well as between RTD and RTC. See the full explanation below for the reasoning.
Question
Refer to the exhibit. As shown in the figure, RTA, RTB, RTC, and RTD are connected through a switch. From small to large in order of the MAC address, the four routers are arranged as follows:
RTB, RTA, RTD, and RTC. The Level-2 DIS priority is set to 100 on RTB and RTD, and IS-IS BFD is enabled on all these routers. When the links of RTB are down, how should IS-IS BFD sessions be set up?
Exhibit
Options
- ALevel 1 and level 2 IS-IS BFD sessions are set up among RTA, RTC, and RTD.
- BLevel 2 IS-IS BFD sessions are set up among RTA, RTC, and RTD, and a level 1 IS-IS BFD
- CLevel 2 IS-IS BFD sessions are set up between RTD and RTA as well as between RTD and RTC,
- DLevel 1 and level 2 IS-IS BFD sessions are set up only between RTC and RTD
How the community answered
(15 responses)- A13% (2)
- C80% (12)
- D7% (1)
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