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Huawei Exam H31-161 Topic 2 Question 88 Discussion

Actual exam question for Huawei's H31-161 exam
Question #: 88
Topic #: 2
[All H31-161 Questions]

All nodes in the topology belong to the same IGP are

a. They can learn routers from each other and have the TE capability. The tunnels configured below can be Up. Refer to the following configuration of RTA,Which of the following statements are true?

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mpls lsr-id 1.1.1.1

mpls

mpls te

mpls rsvp-te

mpls te cspf

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explicit-path pri-path

next hop 3.1.1.2

next hop 4.1.1.2

next hop 5.1.1.2

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explicit-path bypass-1

next hop 2.1.1.2next hop 6.1.1.1

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explicit-path bypass-2

next hop 2.1.1.2

next hop 7.1.1.2

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explicit-path bypass-3

next hop 8.1.1.2

next hop 9.1.1.2

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interface Tunnel1/0/0

ip address unnumbered interface LoopBack0

tunnel-protocol mpls te

destination 4.4.4.4

mpls te tunnel-id 100

mpls te record-route label

mpls te path explicit-path pri-path

mpls te fast-reroute

mpls te commit

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interface Tunnel2/0/0

ip address unnumbered interface LoopBack0

tunnel-protocol mpls te

destination 2.2.2.2

mpls te tunnel-id 101

mpls te record-route label

mpls te path explicit-path bypass-1

mpls te bypass-tunnel

mpls te protected-interface GigabitEthernet 3/0/0

mpls te commit

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interface Tunnel2/0/1

ip address unnumbered interface LoopBack0

tunnel-protocol mpls te

destination 3.3.3.3

mpls te tunnel-id 102

mpls te record-route label

mpls te path explicit-path bypass-2

mpls te bypass-tunnel

mpls te protected-interface GigabitEthernet 3/0/0

mpls te commit

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interface Tunnel2/0/2ip address unnumbered interface LoopBack0

tunnel-protocol mpls te

destination 4.4.4.4

mpls te tunnel-id 103

mpls te record-route label

mpls te path explicit-path bypass-3

mpls te bypass-tunnel

mpls te protected-interface GigabitEthernet 3/0/0

mpls te commit

#

Show Suggested Answer Hide Answer
Suggested Answer: A, B

Contribute your Thoughts:

Chaya
11 months ago
Haha, I hope the exam doesn't ask us to configure LDP FRR on our routers. That would be a nightmare!
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Sheron
11 months ago
I agree with Alease. The key purpose of LDP FRR is to provide fast recovery in case the primary LSP flaps.
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Ressie
11 months ago
I'm a bit confused about B and C. Does LDP FRR really work on both ingress and intermediate nodes? And can it back up multiple LSPs? This needs some clarification.
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Alease
11 months ago
A and D seem to be the correct statements. LDP FRR definitely generates a backup LSP to protect against primary LSP failures.
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Roselle
10 months ago
B) LDP FRR can be deployed on the ingress node and the intermediate node. The primary and backup LSPs are recorded in the ILM table on the intermediate node and in the FIB table on the ingress node.
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Karma
11 months ago
Yes, A and D are correct. LDP FRR does create a backup LSP for protection.
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Aileen
11 months ago
D) After LDP FRR is enabled, a backup LSP can be generated for a primary LSP to prevent serious packet loss during fast flapping of the primary LSP
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Mary
11 months ago
A) After LDP FRR is enabled, a backup LSP is generated. Both the primary and backup LSPs are stored in the forwarding table.
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Arlyne
11 months ago
Yes, LDP FRR does generate a backup LSP for protection.
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Sherrell
11 months ago
I think A and D are correct.
upvoted 0 times
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