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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 |
| Exam Number: | H12-831_V1.0 |
| Available Languages: | English, Chinese, Japanese |
| Exam Price: | USD 180 |
| Related Certifications: | HCIE-Datacom HCIP-Datacom-Core Technology V1.0 |
| Real Exam Qty: | 60 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Exam Format: | Single-answer questions, True or false, Multiple-answer questions, Short response items, Drag-and-drop items |
| Exam Duration: | 90 minutes |
| 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-ENU exam covers a broad range of topics, including advanced IP routing protocols, MPLS VPN technology, IP multicast technology, IPv6 technology, and more. Candidates who successfully Pass H12-831_V1.0 Exam demonstrate their expertise in designing, deploying, and maintaining complex networks using Huawei data communication products.
NEW QUESTION # 142
Regarding the MPLS forwarding process, which of the following description of Ingress node forwarding is correct? (Multiple choice)
Answer: A,D
NEW QUESTION # 143
On the OSPF network shown in the figure, the cost values of links are marked, and OSPF IP FRR is enabled on R1. Which of the following statements is false?
Answer: A
NEW QUESTION # 144
On the OSPF network shown in the figure, drag the values on the left to the correct positions so that:
* Traffic from PC1 to PC2 follows the path: PC1 - > R1 - > R3 - > R2 - > PC2
* Traffic from PC2 to PC1 follows the path: PC2 - > R2 - > R1 - > PC1
Which of the following OSPF cost values should be assigned to Cost-A, Cost-B, and Cost-C to achieve this routing behavior?
Answer:
Explanation:
Explanation:
* A = 50
* B = 10
* C = 20
Comprehensive and Detailed In-Depth Explanation:
Understanding OSPF Path Selection and Cost Calculation:
* OSPF selects the shortest path (lowest cost) to the destination.
* The OSPF cost is determined by the cumulative sum of interface costs along a path .
* By assigning specific costs to A, B, and C , we can influence OSPF's path selection to meet the desired routing behavior.
Step-by-Step Analysis of Required Traffic Flow:
1. Traffic from PC1 to PC2 must take the route:
PC1 - > R1 - > R3 - > R2 - > PC2
* To force traffic through R3 , the cost of the direct link R1 - > R2 (Cost-A) must be higher than the alternative path via R3 .
* We assign Cost-A = 50 (high cost) to discourage direct routing from R1 - > R2 .
* The cost of R1 - > R3 (Cost-C) should be lower , so we assign Cost-C = 20 .
* The cost of R3 - > R2 (default Cost-20) remains unchanged.
* Total cost via R3: 20 (R1- > R3) + 20 (R3- > R2) = 40 , which is less than the direct link of 50 , so OSPF prefers this path.
# Traffic follows: PC1 - > R1 - > R3 - > R2 - > PC2
2. Traffic from PC2 to PC1 must take the route:
PC2 - > R2 - > R1 - > PC1
* We need to make R2 - > R1 (Cost-B) the best (lowest cost) route for return traffic .
* Assign Cost-B = 10 (low cost).
* This ensures that R2 prefers the direct path R2 - > R1 instead of R2 - > R3 - > R1 (which costs
20+20=40).
# Traffic follows: PC2 - > R2 - > R1 - > PC1
Final Cost Assignments for Correct Routing Behavior:
Cost
Assigned Value
Reason
Cost-A (R1 - > R2)
50
High to discourage direct R1- > R2 routing
Cost-B (R2 - > R1)
10
Low to ensure PC2- > PC1 prefers direct R2- > R1
Cost-C (R1 - > R3)
20
Medium to encourage R1- > R3- > R2 path
Key Takeaways:
* Higher OSPF cost discourages path selection.
* Lower OSPF cost encourages path selection.
* By manipulating OSPF cost values, we achieve asymmetric routing between PC1 and PC2.
* This aligns with OSPF path selection principles covered in HCIP-Datacom certification.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* Huawei HCIP-Datacom Official Certification Guide , Chapter on OSPF Cost Calculation and Path Selection .
* Huawei Enterprise Networking Training Materials , OSPF Path Optimization Techniques.
* Huawei Datacom Configuration Guide , OSPF Cost and Traffic Engineering.
NEW QUESTION # 145
In the network shown in the figure, adjacent routers use directly connected interfaces to establish EBGP neighbor relationships. The Router ID of each device is 10.0.XX, and the AS number is
6500x, where X is the router number. R1 and R4 both have static routes to 192.168.1.0/24, which are introduced into BGP through import.
By default, among the routes received by R6 regarding 192.168.1.0/24, which of the following has the longest AS_path?
Answer: D
NEW QUESTION # 146
When an IP packet passes through an MPLS network, an MPLS device processes the TTL value in the packet.
If the pipe mode is used in the topology shown in the figure, which of the following is the TTL value in the IP packet?
Answer: C
NEW QUESTION # 147
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