JN0-643 · Question #156
As shown in the exhibit, a router is receiving three external LSAs for the prefix 71.23.48.0. [edit] user@router# run show ospf database external lsa-id 71.23.48.0 extensive OSPF AS SCOPE link state…
The correct answer is C. The path through 67.176.255.8 is preferred. See the full explanation below for the reasoning.
Question
As shown in the exhibit, a router is receiving three external LSAs for the prefix 71.23.48.0. [edit] user@router# run show ospf database external lsa-id 71.23.48.0 extensive OSPF AS SCOPE link state database Type ID Adv Rtr Seq Age Opt Cksum Len Extern 71.23.48.0 67.176.255.5 0x80000001 114 0x22 0x171b 36 mask 255.255.248.0 Topology default (ID 0) TypE. 2, MetriC. 0, Fwd addr: 0.0.0.0, TaG. 0.0.0.0 Aging timer 00:58:06 Installed 00:01:53 ago, expires in 00:58:06, sent 00:01:53 ago Last changed 00:01:53 ago, Change count: 1 Extern 71.23.48.0 67.176.255.7 0x8000005a 487 0x22 0x587e 36 mask 255.255.248.0 Topology default (ID 0) TypE. 2, MetriC. 0, Fwd addr: 0.0.0.0, TaG. 0.0.0.0 Aging timer 00:51:52 Installed 00:08:01 ago, expires in 00:51:53, sent 00:07:59 ago Last changed 2d 19:33:58 ago, Change count: 1 Extern 71.23.48.0 67.176.255.8 0x8000005c 540 0x22 0xf73e 36 mask 255.255.248.0 Topology default (ID 0) TypE. 1, MetriC. 30, Fwd addr: 0.0.0.0, TaG. 0.0.0.0 Aging timer 00:51:00 Installed 00:08:59 ago, expires in 00:51:00, sent 00:08:59 ago Last changed 00:08:59 ago, Change count: 3 Which path is preferred?
Options
- AThe path through 67.176.255.5 is preferred.
- BThe path through 67.176.255.7 is preferred.
- CThe path through 67.176.255.8 is preferred.
- DThe paths through 67.176.255.7 and 67.176.255.8 become active to allow load- balancing.
How the community answered
(44 responses)- A11% (5)
- B2% (1)
- C80% (35)
- D7% (3)
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