HUAWEI H12-831_V1.0-ENU PRACTICE EXAMS FREE | H12-831_V1.0-ENU LATEST MATERIALS

Huawei H12-831_V1.0-ENU Practice Exams Free | H12-831_V1.0-ENU Latest Materials

Huawei H12-831_V1.0-ENU Practice Exams Free | H12-831_V1.0-ENU Latest Materials

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To be eligible to take the H12-831_V1.0 certification exam, candidates must have a valid HCIA-Datacom certification and at least two years of relevant work experience. H12-831_V1.0-ENU exam is a three-hour computer-based test and consists of 60 multiple-choice questions. The passing score is 600 out of 1000 points.

Huawei H12-831_V1.0-ENU exam is a challenging certification that requires a deep understanding of advanced routing and switching technologies. To succeed in H12-831_V1.0-ENU Exam, candidates need to have hands-on experience with Huawei equipment and understand the various configuration options and troubleshooting techniques. Candidates should also have a good understanding of networking protocols and technologies.

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Huawei H12-831_V1.0 (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) Certification Exam is designed for professionals who want to demonstrate their skills and knowledge in advanced routing and switching technology. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification exam is intended for those who have already gained the HCNA-Datacom certification and are ready to take their expertise to the next level. The Huawei H12-831_V1.0 certification exam is a significant step in achieving the HCIE-Datacom certification, which is the highest level of certification in Huawei's data communication field.

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q79-Q84):

NEW QUESTION # 79
On the OSPFv3 network shown in the figure, OSPFv3 is enabled on the interfaces connecting R1, R2, and R3. The router ID of each router is 10.0.X.X, where X is the number of the router.
If you check detailed information about an LSA on R3, the command output shows that R1 and R2 are DRs on the network.
Options:

  • A. FALSE
  • B. TRUE

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding OSPFv3 and DR/BDR Election
* In OSPFv3, on broadcast and non-broadcast networks, routers elect a Designated Router (DR) and a Backup Designated Router (BDR) to reduce LSA flooding.
* The DR is responsible for generating Network LSAs (Type 2 LSAs) for the subnet.
* The BDR takes over if the DR fails.
* Other routers (DROther) only form adjacencies with the DR and BDR but still receive LSAs.
2. Understanding the LSA Output in the Figure
* The LSA shown in the figure is a Type 1 (Router LSA).
* The originating router is R2 (Router ID: 10.0.2.2).
* The LSA lists two "Transit Network" links connected to R2.
* The Neighbor Router IDs listed are 10.0.1.1 (R1) and 10.0.2.2 (R2).
3. Why the Statement is FALSE
* A transit network (broadcast network) should have only ONE DR.
* R1 and R2 both being DRs is incorrect, as only one DR per subnet should exist.
* The presence of two "Transit Network" entries in the LSA suggests that there are two separate OSPF broadcast networks, each with its own DR.
* This means R1 and R2 are each DRs on separate networks, but not both DRs on the same network.
Final Answer:
HCIP-Datacom-Advanced Routing & Switching Technology References:
* OSPFv3 DR/BDR Election Process
* OSPFv3 LSA Types and Their Roles
* OSPFv3 Network Topology and LSA Interpretation


NEW QUESTION # 80
CutoverThe previous information collection can be used to determine whether the services before and after the cutover are normal.

  • A. right
  • B. wrong

Answer: A


NEW QUESTION # 81
Regarding sham link, which of the following description is wrong?

  • A. The sham link is a link between two VPN instances. Each VPN instance must have an endpoint address of the sham link, which must be a Loopback with a 32-bit mask in the VPN address space on the PE router. interface address
  • B. The sham link can be configured in any area and needs to be configured manually, and there must be a route to the sham link destination address (the sham link endpoint address of the peer PE) in the local VPN instance
  • C. The endpoint address of the sham link is advertised as a VPhv4 address by BGP. Routes that have passed sam1ik can also be imported into BGP in the form of VPNv4 routes
  • D. In order to forward the VPN flow through the MPLS backbone network, the routing cost of the sham link should be less than the OSPF routing cost of the backdoor road

Answer: C


NEW QUESTION # 82
Regarding BGP/MPLS IPVPN data forwarding, which of the following descriptions is wrong?

  • A. The data sent by the PE to the CE is an IPv4 packet
  • B. When data is transmitted on the BCP/MPLS IPVPN backbone network, it always carries two layers of labels
  • C. The outer label during data forwarding can be allocated by LDP
  • D. The inner label during data forwarding is assigned by MP-BGP

Answer: B


NEW QUESTION # 83
On the OSPF network shown in the figure, the cost values of links are marked. OSPF IP FRR is enabled on R1, and the maximum load-balancing 8 command is configured in the OSPF process. If a service passes through the path R1 # R5 # R3 to reach 10.0.3.3/32, which of the following is the backup outbound interface for the service?

  • A. GE0/0/2
  • B. There is no backup outbound interface.
  • C. GE0/0/2 and GE0/0/3
  • D. GE0/0/3

Answer: D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Step 1: Identify the Primary Path
* The shortest OSPF cost to 10.0.3.3/32 from R1 is through R5:
* R1 # R5 (Cost 10) # R3 (Cost 10) = Total Cost 20
* The primary outbound interface from R1 to R5 is GE0/0/1.
Step 2: Identify the Backup Path (OSPF IP FRR & ECMP)
* OSPF IP Fast Reroute (FRR) provides a backup next-hop in case the primary link (R1 # R5) fails.
* A feasible backup path must have a cost equal to or close to the primary path, but it must avoid the same failure point.
Alternative Path Calculation:
* Path 1 (R1 # R2 # R3)
* R1 # R2 (Cost 10), R2 # R3 (Cost 10) # Total Cost = 20 #
* Uses interface GE0/0/2 on R1.
* Path 2 (R1 # R4 # R3)
* R1 # R4 (Cost 10), R4 # R3 (Cost 10) # Total Cost = 20 #
* Uses interface GE0/0/3 on R1.
Final Decision on the Backup Interface
* Since both paths R1 # R2 # R3 and R1 # R4 # R3 have equal costs, either can be used for backup.
* However, R1 # R2 # R3 shares a direct cost path with R5, meaning it may not be preferred as a full FRR backup.
* The best backup outbound interface in this scenario is GE0/0/3 (R1 # R4 # R3).
Final answer: # C (GE0/0/3)
References:
* HCIP-Datacom-Advanced Routing & Switching Technology V1.0 - OSPF IP FRR (Fast Reroute) Mechanism
* OSPF Equal-Cost Multi-Path (ECMP) and Backup Route Selection
* OSPF Route Calculation and Best-Path Selection


NEW QUESTION # 84
......

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