LATEST UPDATED H12-831_V1.0 NEW BRAINDUMPS FREE & LEADER IN QUALIFICATION EXAMS & FREE PDF HUAWEI HCIP-DATACOM-ADVANCED ROUTING & SWITCHING TECHNOLOGY V1.0

Latest Updated H12-831_V1.0 New Braindumps Free & Leader in Qualification Exams & Free PDF Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0

Latest Updated H12-831_V1.0 New Braindumps Free & Leader in Qualification Exams & Free PDF Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0

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Candidates who pass the Huawei H12-831_V1.0 Certification Exam will earn the HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification is recognized globally and is highly regarded in the IT industry. It demonstrates the candidate's proficiency in advanced routing and switching technologies and their ability to design and implement complex network solutions.

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q116-Q121):

NEW QUESTION # 116
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 # 117
When encountering network failures, engineers often use layered failure handling methods. Because all models follow the same basic premise, when all the low-level structures of the model work normally, its high-level structures can work normally. Please match the following check items with the corresponding level according to the tiered method.
1. Is the TCP connection established correctly?
2. Whether the port opens the interface protocol
3. Whether the Layer 2 addressing is normal, whether the physical status of the interface is UP, and whether the cables and connectors are normal
4. Is the routing protocol working properly?

Answer:

Explanation:
1. Transport layer
2. Data link layer
3. Physical layer
4. Network layer


NEW QUESTION # 118
Configure ipv6 preference in IS-IS protocol view. The function of this command is to configure the priority of IPv6 routes generated by IS-Is protocol.

  • A. True
  • B. False

Answer: A


NEW QUESTION # 119
As shown in the figure, configure a backhaul summary route 10.0.0.0/24 on the border route RT1. next hop to RT2. At the same time, the default route to the external network is configured. At this point, a routing black hole will appear. The following is about routing Is the black hole statement correct? (multiple choice)

  • A. Configuring black hole routing can solve the routing black hole problem
  • B. Routing black hole has no impact on the network and can be ignored
  • C. If the terminal in the network sends data packets to the network segment that does not appear on the internal network, a loop will occur
  • D. Precise routing $ can always avoid routing black holes

Answer: A,C,D


NEW QUESTION # 120
In the figure, a network administrator configures a static LSP to implement MPLS data forwarding. The lower part of the topology shows the packet header information obtained from a device.
Which of the following statements are true?

Options:

  • A. If the device is R3, R3 forwards the packet from PC1 to PC2 over an IP route.
  • B. PC1 pings PC2.
  • C. Packets from PC1 to PC2 are forwarded based on MPLS labels in the MPLS domain.
  • D. Packets from PC2 to PC1 are forwarded based on the IP packet header in the MPLS domain.

Answer: B,C

Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding the MPLS Data Flow in the Figure
* PC1 (1.1.1.1) sends a ping to PC2 (3.3.3.3).
* The MPLS domain includes R1, R2, and R3.
* R1 pushes an MPLS label onto the packet (Label: 300).
* Packets from PC1 to PC2 are label-switched (MPLS forwarding).
* Packets from PC2 to PC1 do not carry an MPLS label (IP forwarding).
2. Evaluating Each Answer Option
* Option A: "If the device is R3, R3 forwards the packet from PC1 to PC2 over an IP route."
* Incorrect.
* The packet carries an MPLS label (Label 300) when entering the MPLS domain.
* This means that R3 forwards the packet using MPLS, not a standard IP route.
* If R3 were using an IP route, there would be no MPLS label in the packet.
* Option B: "Packets from PC1 to PC2 are forwarded based on MPLS labels in the MPLS domain.
"
* Correct.
* The packet capture shows an MPLS label (Label 300), proving that PC1's traffic is being forwarded using MPLS switching inside the MPLS domain.
* This confirms that MPLS is being used for forwarding in one direction (PC1 # PC2).
* Option C: "Packets from PC2 to PC1 are forwarded based on the IP packet header in the MPLS domain."
* Correct in concept but incorrect in context.
* The packet capture shows that the return traffic (PC2 # PC1) does not have an MPLS label.
* However, the phrase "in the MPLS domain" makes this statement misleading, as R3 is forwarding based on pure IP routing, not MPLS forwarding.
* Option D: "PC1 pings PC2."
* Correct.
* The packet capture clearly shows ICMP Echo Request (ping) from PC1 (1.1.1.1) to PC2 (3.3.3.3) and an ICMP Echo Reply from PC2.
* This confirms that PC1 is pinging PC2 successfully.
Final answer:
# B and D are correct.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* MPLS Label Forwarding and Static LSPs
* MPLS vs. IP Routing in Different Traffic Flows
* Packet Header Analysis in MPLS Networks


NEW QUESTION # 121
......

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