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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 |
| Exam Number: | H12-831_V1.0 |
| Exam Duration: | 90 minutes |
| Exam Price: | USD 180 |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple-answer questions, Drag-and-drop items, Short response items, True or false, Single-answer questions |
| Passing Score: | 600/1000 |
| Related Certifications: | HCIP-Datacom-Core Technology V1.0 HCIE-Datacom |
| Available Languages: | Japanese, Chinese, English |
| Recommended Training: | HCIP-Datacom-Advanced Routing & Switching Training |
| Exam Registration: | Huawei Talent Portal Pearson VUE Registration |
| Sample Questions: | Huawei H12-831_V1.0 Sample Questions |
| Exam Way: | Online or onsite via Pearson VUE test centers |
| Pre Condition: | HCIA-Datacom certification or equivalent knowledge recommended; HCIP-Datacom-Core Technology knowledge is highly recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/#/cert/exam-detail?code=H12-831_V1.0 |
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Huawei H12-831_V1.0 Exam is a great way for IT professionals to demonstrate their expertise and knowledge in advanced routing and switching technologies. By passing H12-831_V1.0 exam, professionals can earn the HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification, which is highly valued in the industry. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification can help IT professionals advance their careers and increase their earning potential. With extensive knowledge of advanced routing and switching technologies, IT professionals can help organizations build and maintain secure, high-performance networks that meet the demands of today's business environment.
NEW QUESTION # 104
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 # 105
As shown in the figure, when a network engineer is troubleshooting, he draws a schematic diagram of a multicast network. The IGIP version enabled by R1 and R2 is 2, PIM-SM is used as the multicast routing protocol, and other configurations are default configurations. The querier in the multicast network is ().
Answer:
Explanation:
R1
NEW QUESTION # 106
Use the "display version | begin uptime" command on the router, and the first word in the output information is "uptime"
Answer: A
NEW QUESTION # 107
According to this picture, cooked I'] can be judged?
Answer: B,D
NEW QUESTION # 108
On the network shown in the figure, IS-IS IPv6 runs on R2, R6, and R3, and the IPv6 address of Loopback0 on R6 is 2000::6/128. OSPFv3 runs on other links. Area 1 is a common area, and area 2 is an NSSA. IS-IS routes are imported to OSPFv3 on R2 and R3. Which of the following statements are true?
Answer: A,B,C
Explanation:
# Topology Breakdown:
* IS-IS IPv6 is running between R2, R3, and R6.
* R6's loopback0 address is 2000::6/128 .
* R6 is in Area 2 , which is an NSSA , and R2/R3 are Level-1-2 routers.
* OSPFv3 runs in other parts of the network (R1, R4, R5) .
* IS-IS IPv6 routes are being redistributed into OSPFv3 by R2 and R3.
# Option A: The routing table of R1 contains the route 2000::6/128.
# True
* R3 redistributes IS-IS into OSPFv3.
* R3 is connected to Area 0, so the route reaches R1 via normal OSPFv3 inter-area routing.
# Option B: The routing table of R6 contains the route ::/0.
# False
* Area 2 is an NSSA , which does not receive Type-5 external LSAs by default.
* R6 is in the IS-IS domain only and is not part of the OSPFv3 backbone.
* Unless a default route (default-information originate) is configured in redistribution from OSPFv3 to IS- IS (not stated), R6 will not have ::/0 .
# Option C: The routing table of R4 contains the route 2000::6/128.
# True
* R2 is a Level-1-2 router and redistributes IS-IS routes into OSPFv3.
* Area 1 is a normal/common OSPF area , so R4 receives the route from R2 via OSPFv3 Type-5 or Type-3 LSAs.
# Option D: The routing table of R5 contains the route 2000::6/128.
# True
* R3 redistributes IS-IS into OSPFv3 in Area 2 (which is NSSA).
* OSPFv3 uses Type-7 LSAs in NSSA , which are converted into Type-5 LSAs by the NSSA ABR (R3).
* R5 is in Area 2 and will receive the Type-7 LSA directly or the Type-5 LSA after conversion, so it can learn the 2000::6/128 route.
# Final answer: A, C, D
Official Huawei Extract:
" When IS-IS routes are imported into OSPFv3, they are advertised as external routes using Type-5 LSAs in standard areas, and as Type-7 LSAs in NSSAs. NSSA ABRs convert Type-7 LSAs into Type-5 LSAs for propagation into other areas. "
" Common areas can receive redistributed external routes, and routing propagation from IS-IS into OSPFv3 is supported via import-route. "
- [Huawei HCIA-Datacom Certification Guide - IPv6, IS-IS, and OSPFv3 Redistribution Sections]
NEW QUESTION # 109
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