H12-831_V1.0-ENU Practice Exam Online, H12-831_V1.0-ENU Free Brain Dumps

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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

SectionObjectives
Advanced Routing Protocols- BGP Configuration and Policy Control
  • 1. BGP attributes and path selection
    • 2. Route filtering and policy control
      - OSPF Advanced Features
      • 1. LSA types and area types
        • 2. Route calculation and optimization
          Network Services and Optimization- QoS Fundamentals
          • 1. Congestion management mechanisms
            • 2. Traffic classification and marking
              - Multicast Technologies
              • 1. Multicast distribution models
                • 2. PIM protocol operations
                  IP Network Technologies- IPv6 Deployment
                  • 1. IPv6 addressing and transition mechanisms
                    • 2. Dual-stack and tunneling technologies
                      - IS-IS Routing Protocol
                      • 1. Level-1/Level-2 design
                        • 2. Route convergence and optimization
                          Network Design and Troubleshooting- Fault Diagnosis
                          • 1. Routing loop troubleshooting
                            • 2. Protocol convergence issues
                              - Enterprise Network Design
                              • 1. Hierarchical network architecture
                                • 2. High availability design principles
                                  MPLS and VPN Technologies- MPLS Fundamentals
                                  • 1. Label switching mechanism
                                    • 2. LDP basics
                                      - VPN Implementation
                                      • 1. Inter-AS VPN scenarios
                                        • 2. L3VPN configuration principles

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                                          Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q161-Q166):

                                          NEW QUESTION # 161
                                          In the network shown in the figure, R1, R2, R4, and R5 run IS-IS in area 49.0001, and R3 and R6 run IS-IS in area 49.0002. Within AS 65000, R1, R3, R4, and R6 establish IBGP neighbor relationships with R2 and R5, of which R2 and R5 are RRs and R1, R4, R3, and R6 are clients.
                                          IBGP neighbor relationships are all established using the Loopback0 interface. The IP address of the Loopback0 interface of each device is 10.0.X.X/32, and the Router ID is 10.0.X.X, where X is the device number. R1 and R4 introduce the external network 192.168.1.0/24 into BGP through import, and R3 and R6 introduce the external network 192.168.2.0/24 into BGP through import.

                                          Which of the following descriptions are correct by default? (Multiple choice)

                                          Answer: B,C


                                          NEW QUESTION # 162
                                          On the IS-IS network shown in the figure, R1 imports a default route using the default-route-advertise always level-1 command. Which of the following statements is false?

                                          Answer: A

                                          Explanation:
                                          Comprehensive and Detailed In-Depth Explanation:
                                          Understanding the IS-IS Topology in the Question:
                                          * R1 (Level-1 Router) is connected to R2 (Level-1-2 Router).
                                          * R2 connects Level-1 and Level-2 areas, making it an inter-area router.
                                          * R3 (Level-2 Router) connects to R2.
                                          * The loopback addresses are:
                                          * R1: 10.0.1.1/32
                                          * R2: 10.0.2.2/32
                                          * R3: 10.0.3.3/32
                                          Key Command Used: default-route-advertise always level-1
                                          * This command forces R1 to advertise a default route (0.0.0.0/0) to Level-1 routers.
                                          * Level-1 routers (like R1) do not have visibility into Level-2 routes unless a default route is provided by an L1-L2 router (R2 in this case).
                                          Analyzing Each Option:
                                          * Option A (TRUE):
                                          * If R1 pings an unknown address like 10.0.4.4, it will use the default route if available.
                                          However, if no such route exists, it will not send any packets.
                                          * This behavior is expected, so this statement is true.
                                          * Option B (TRUE):
                                          * 10.0.2.2 (R2) is a Level-1-2 router, and it can communicate with 10.0.3.3 (R3), which is a Level-2 router.
                                          * Since R2 and R3 are both in Level-2, they can exchange routes.
                                          * So, 10.0.2.2 can ping 10.0.3.3. This statement is true.
                                          * Option C (TRUE):
                                          * 10.0.1.1 (R1) is a Level-1 router, and 10.0.2.2 (R2) is a Level-1-2 router.
                                          * Since R2 is Level-1-2, it shares Level-1 routes with R1, allowing communication between R1 (10.0.1.1) and R2 (10.0.2.2).
                                          * Therefore, this statement is true.
                                          * Option D (FALSE - Correct Answer):
                                          * 10.0.1.1 (R1) is a Level-1 router, which means it only knows about Level-1 routes.
                                          * 10.0.3.3 (R3) is a Level-2 router, and its route is only known by Level-2 routers (R2 & R3).
                                          * Since Level-1 routers do not learn Level-2 routes directly (unless specific redistribution is done), R1 does not have a route to 10.0.3.3.
                                          * Therefore, R1 (10.0.1.1) cannot ping R3 (10.0.3.3), making this statement false.
                                          Conclusion:
                                          The false statement is Option D (10.0.1.1 can ping 10.0.3.3).


                                          NEW QUESTION # 163
                                          According to this picture, we can judge that R4 is on?

                                          Answer: D


                                          NEW QUESTION # 164
                                          The "set-overload" command is configured in the process of an IS-IS router. By default, how long does it take for the router to exit the overload state after restarting?

                                          Answer: A


                                          NEW QUESTION # 165
                                          A company consists of a head office and two branch offices, and uses MPLS VPN technology to transmit private network routes. In the networking mode of HuB&Spoke. Branches can only send and receive routes to and from the head office, and branches cannot directly send and receive routes to each other. In order to achieve the above requirements, which of the following schemes can the setting of RT be?

                                          Answer: B,C


                                          NEW QUESTION # 166
                                          ......

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