H12-831_V1.0-ENU PASS4SURE PASS GUIDE - H12-831_V1.0-ENU FREE TEST QUESTIONS

H12-831_V1.0-ENU Pass4sure Pass Guide - H12-831_V1.0-ENU Free Test Questions

H12-831_V1.0-ENU Pass4sure Pass Guide - H12-831_V1.0-ENU Free Test Questions

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Huawei H12-831_V1.0: HCIP-Datacom-Advanced Routing & Switching Technology V1.0 is an advanced-level certification course designed for network engineers and IT professionals who want to gain expertise in advanced routing and switching technologies. H12-831_V1.0-ENU Exam provides a comprehensive understanding of the latest technologies and protocols used in the industry, ensuring that candidates are well-equipped to handle complex networking scenarios.

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H12-831_V1.0-ENU Free Test Questions | Latest H12-831_V1.0-ENU Test Report

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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q76-Q81):

NEW QUESTION # 76
In the hub-spoke networking shown in the figure, to ensure correct route transmission, an administrator must manually configure the peer 10.1.2.1 _____ command in the IPv4 address family view of the BGP- VPN_out instance on the Hub-PE.

(Enter the answer in lowercase letters only.)

Answer:

Explanation:
next-hop-self
Explanation:
To determine the correct command, we need to analyze BGP behavior in a Hub-Spoke topology and how routes are advertised in MPLS VPN environments.
1. Understanding the Hub-Spoke BGP/MPLS VPN Topology
* The network consists of Hub-PE and Spoke-PE routers, which are MPLS VPN PEs.
* Hub-PE is responsible for distributing routes between Spoke-PE1 and Spoke-PE2.
* Spoke routers do not have direct IBGP peering with each other; instead, they rely on the Hub-PE to relay routes.
* BGP next-hop handling is critical for proper route advertisement.
2. Why is the "next-hop-self" Command Required?
* By default, when BGP advertises a route, the next-hop remains unchanged (i.e., the original next- hop is retained).
* In Hub-Spoke topology, Spoke routers would receive routes with a next-hop IP that belongs to another Spoke-PE, which is not reachable directly.
* To solve this issue, we use the next-hop-self command on the Hub-PE, so that:
* Hub-PE updates the next-hop to its own address before advertising routes to the Spoke-PEs.
* This ensures that Spoke-PE routers use the Hub-PE as the next-hop, making routes reachable and preventing blackholing.
3. Correct Command Usage
The administrator must run the following command under the BGP IPv4 address family of the BGP- VPN_out instance on Hub-PE:
shell
CopyEdit
peer 10.1.2.1 next-hop-self
This ensures that the next-hop for advertised routes is changed to the Hub-PE's IP, allowing proper route transmission in the Hub-Spoke MPLS VPN environment.


NEW QUESTION # 77
In OSPF, the A, BR will convert all type 7 L SAs in the NSSA area to type 5 L SAs.

  • A. False
  • B. True

Answer: A


NEW QUESTION # 78
As shown in the figure, all interfaces of the router enable OSPF. Which of the following statements is correct?

  • A. The Type3 LSA generated by R2 in area 0 contains 10.0.2.2/32 routing information
  • B. The Type5 LSA generated by R2 in area 0 contains 10.0.2.2/32 routing information
  • C. The Type2 LSA generated by R2 in area 0 contains 10.0.2.2/24 routing information
  • D. The Type1 LSA generated by R2 in area 0 contains 10.0.2.2/32 routing information

Answer: D


NEW QUESTION # 79
In intra-domain MPLS VPN networks, data packets will be encapsulated with two layers of MPLS when they enter the public network and are forwarded.
Label, a description of the two-layer label in the following options. What is wrong is:

  • A. M PLS VPNThe outer layer is labeled as a private network label, and the inner layer label is called a public network label.
  • B. Layer labels are used inPEThe device sends the packet correctly to the correspondingVPNmiddle
  • C. MPLS VPNThe outer label is made byLDPprotocol or statically assigneD. the inner label is assigned by the correct end MP-BGPassigned by neighbors
  • D. By default, the outer label is popped before the packet is forwarded to the last hop device

Answer: A,B


NEW QUESTION # 80
According to this picture, we can judge that R4 is on?

  • A. 1 default route
  • B. 4 equivalent default routes
  • C. 2 default routes with different costs
  • D. 2 equal-cost default routes

Answer: D


NEW QUESTION # 81
......

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