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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 |
| Exam Number: | H12-831_V1.0 |
| Exam Format: | True/False, Single choice, Multiple choice |
| Passing Score: | 600/1000 |
| Exam Price: | USD 200 (varies by region) |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Related Certifications: | HCIP-Datacom-Core Technology HCIA-Datacom HCIE-Datacom |
| Available Languages: | English, Chinese |
| Real Exam Qty: | 60 |
| Recommended Training: | Huawei Talent Online Learning |
| Exam Registration: | Huawei Certification Official Portal |
| Sample Questions: | Huawei H12-831_V1.0 Sample Questions |
| Exam Way: | Online proctored or authorized testing center (onsite) |
| Pre Condition: | Recommended to hold HCIA-Datacom certification or equivalent networking knowledge. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/#/cert |
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Huawei H12-831_V1.0-ENU (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) Certification Exam is a professional-level certification exam offered by Huawei. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification exam is designed to test the candidate's knowledge and skills in advanced routing and switching technologies. H12-831_V1.0 exam is intended for network engineers and administrators who are responsible for designing, implementing, and managing complex network infrastructures.
Huawei H12-831_V1.0 exam covers a wide range of topics including advanced routing protocols, advanced switching technologies, network security, network management, and troubleshooting. Candidates are expected to have a deep understanding of these topics and be able to apply their knowledge to real-world scenarios. H12-831_V1.0 Exam is designed to test the candidate's ability to design, implement, and troubleshoot complex network infrastructures. Upon passing the exam, candidates will be awarded the HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification, which is recognized globally as a mark of expertise in the field of advanced routing and switching.
NEW QUESTION # 176
The concepts of RD and RT are introduced in BGP/MPLS IP VPN network. Which of the following descriptions about RD and RT are wrong? (Multiple choice)
Answer: A,D
NEW QUESTION # 177
An administrator runs the display mpls lsp command to view LSPs on a device. The command output is shown in the figure.
Which of the following statements is true ?
Options:
Answer: D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding MPLS Label Forwarding Information
The output of the display mpls lsp command shows the Label Forwarding Information Base (LFIB) used by the router to forward MPLS packets.
Each entry consists of:
* FEC (Forwarding Equivalence Class): The destination IP prefix.
* In Label / Out Label: Incoming label (received) and outgoing label (sent).
* In IF / Out IF: Incoming and outgoing interfaces.
2. Analyzing the Given LSP Table
FEC (Destination IP)
In Label
Out Label
Outgoing Interface
1.1.1.1/32
3
NULL
-
2.2.2.2/32
NULL
3
GE0/0/1
2.2.2.2/32
1026
3
GE0/0/1
3.3.3.3/32
NULL
1027
GE0/0/1
3.3.3.3/32
1027
1027
GE0/0/1
Key Observations:
* NULL means the label is removed (Penultimate Hop Popping - PHP).
* Label 3 is the implicit null label, meaning the label is removed before sending to the next router.
* For destination 3.3.3.3, the router adds label 1027 before forwarding it to GE0/0/1.
3. Evaluating Each Answer Option
* Option A: " Before forwarding a packet destined for 2.2.2.2, the device adds label 3 to the packet.
" # Incorrect.
* The output shows that packets destined for 2.2.2.2 have the NULL (label 3) entry , which means the label is removed before forwarding, not added.
* Option B: " Before forwarding a packet destined for 1.1.1.1, the device adds label 3 to the packet.
" # Incorrect.
* The entry 1.1.1.1 # 3/NULL means the label is removed (PHP) , so the device does not add label 3.
* Option C: " Before forwarding a packet destined for any IP address, the device removes labels from the packet. " # Incorrect.
* The device removes labels only for some destinations (e.g., 1.1.1.1 and 2.2.2.2), but it adds label 1027 for 3.3.3.3 .
* Not all IPs have their labels removed.
* Option D: " Before forwarding a packet destined for 3.3.3.3, the device adds label 1027 to the packet. " # Correct.
* The entry 3.3.3.3 # NULL/1027 means that the router adds label 1027 before forwarding packets to GE0/0/1 .
Final answer:
D: (Before forwarding a packet destined for 3.3.3.3, the device adds label 1027 to the packet).
HCIP-Datacom-Advanced Routing & Switching Technology References:
* Understanding MPLS LDP (Label Distribution Protocol) and LFIB
* Implicit Null (Label 3) and Penultimate Hop Popping (PHP)
* MPLS Label Swapping and Forwarding Process
NEW QUESTION # 178
As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO
Answer: A
NEW QUESTION # 179
In the BGP/MPLS IP VPN network shown in the figure, the administrator plans to use H-Spoke networking to achieve centralized control of VPN traffic at the Hub site. Please match the RT values of the following devices one by one.
Answer:
Explanation:
NEW QUESTION # 180
As shown in the figure, all interfaces of the router enable DSPF. The cost value of the link is marked in the figure. R2 The LoopbackD interface is advertised in area 1, then the cost of R1 reaching 10.2/32 is?
Answer: C
NEW QUESTION # 181
......
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