FREE PDF 2025 H12-831_V1.0-ENU: FANTASTIC HCIP-DATACOM-ADVANCED ROUTING & SWITCHING TECHNOLOGY V1.0 LATEST BRAINDUMPS FILES

Free PDF 2025 H12-831_V1.0-ENU: Fantastic HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Latest Braindumps Files

Free PDF 2025 H12-831_V1.0-ENU: Fantastic HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Latest Braindumps Files

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Huawei H12-831_V1.0-ENU certification exam is designed for IT professionals who specialize in data communication and networking. H12-831_V1.0-ENU exam focuses on advanced routing and switching technology and is intended to validate the candidate's knowledge and skills in this field. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification is offered by Huawei, one of the leading global providers of information and communications technology (ICT) infrastructure and smart devices.

The Huawei H12-831_V1.0-ENU exam consists of multiple-choice questions and requires candidates to demonstrate their ability to apply their knowledge to real-world scenarios. H12-831_V1.0-ENU exam is designed to test the candidates' ability to solve problems and make decisions in a fast-paced and dynamic environment. H12-831_V1.0-ENU Exam also includes simulations that require candidates to configure and troubleshoot complex network scenarios.

Huawei H12-831_V1.0-ENU certification exam is an important certification for networking professionals who wish to specialize in advanced routing and switching technologies. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification validates a candidate’s knowledge and skills in complex network design and implementation, which is essential for working with Huawei’s routing and switching products. Obtaining this certification provides a competitive edge in the job market and opens up opportunities for career advancement.

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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q146-Q151):

NEW QUESTION # 146
The figure shows the debugging information on an OSPF router. Which of the following is the router ID of this router?

  • A. 10.0.2.2
  • B. 10.0.12.2
  • C. 10.0.12.1
  • D. 10.0.1.1

Answer: A


NEW QUESTION # 147
The OSPF protocol runs between CE and PE, when CE1 advertises the route of the site to CE2. Which of the following description is wrong?

  • A. When PE2 receives the same Domain ID as the local BGP route sent by PE1, for Type3 LSA, PE2 will generate Type5 LSA
  • B. When PE2 receives a BGP route from PE1 that carries a different Domain ID from the local one, it is correct for all LSAs, and PE2 will generate Type5 LSA or Type7 LSA
  • C. When PE2 receives the same Domain ID as the local BGP route sent by PE1, PE2 will generate Type3 LSA for Type1 LSA and Type2 LSA
  • D. The Domain ID configured by PE1 can be used as an extended community attribute of BGP and sent along with the route to PE2.

Answer: A


NEW QUESTION # 148
In the hub-spoke networking shown in the figure, the Hub-PE can be configured to allow repetitive local AS numbers for correct route transmission.

Is this statement TRUE or FALSE?
Options:

  • A. TRUE
  • B. FALSE

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding the Hub-Spoke BGP Design
* Hub-Spoke topology is commonly used in MPLS Layer 3 VPNs, where:
* Hub-PE acts as a central router.
* Spoke-PEs connect to the hub but do not communicate directly with each other.
* eBGP (External BGP) is used between the Hub-PE and Spoke-PE routers.
2. The Role of AS Numbers in BGP Route Transmission
* By default, BGP prevents routes from being sent back to the same AS (Autonomous System) to avoid loops (via the AS_PATH loop prevention mechanism).
* However, in a Hub-Spoke MPLS VPN, the Hub-PE must be allowed to re-advertise routes learned from one spoke to another spoke.
* This requires allowing repetitive AS numbers within the same AS to avoid BGP rejecting valid routes.
3. Solution: Using "Allow-AS Loop" on the Hub-PE
* The allowas-in or allow-as-loop command must be used on Hub-PE to allow repetitive local AS numbers.
* This ensures that routes from Spoke-PE1 (AS65002) are advertised to Spoke-PE2 (AS65003) via Hub-PE, even if AS numbers are repeated.
Example Configuration on Hub-PE:
plaintext
CopyEdit
bgp 65001
peer Spoke-PE1 allow-as-loop 2
peer Spoke-PE2 allow-as-loop 2
* This allows Hub-PE to accept and propagate routes even if the AS number appears more than once.
4. Evaluating the Answer Choices
Option
Correct?
Reasoning
A: TRUE
# Correct
Hub-PE can be configured to allow repetitive AS numbers using the allow-as-loop feature.
B: FALSE
# Incorrect
BGP by default prevents repeated AS numbers, but this can be overridden.
# Correct answer: A. TRUE
Final Conclusion:
* By default, BGP prevents AS loopbacks.
* Hub-PE needs to allow repetitive AS numbers for proper route transmission in the hub-spoke model.
* The "allow-as-loop" command enables this functionality.
* Thus, the correct answer is: TRUE.


NEW QUESTION # 149
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 # 150
I-SPF and PRC can speed up ISIS route convergence. PRC does not calculate nodes. Instead, it updates routes based on the shortest path tree (SPT) calculated using the SPF algorithm.

  • A. TRUE
  • B. FALSE

Answer: A


NEW QUESTION # 151
......

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