Huawei H12-831_V1.0 Exam Sample Questions - H12-831_V1.0 Questions

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Huawei H12-831_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Network Troubleshooting10%- Performance and service fault resolution
- Switching and link fault handling
- Structured troubleshooting methodology
- Routing protocol fault diagnosis
Network Cutover7%- Implementation and rollback strategy
- Pre-cutover verification
- Post-cutover validation
- Cutover planning and risk assessment
Advanced IGP Features17%- IS-IS advanced features
  • 1. Convergence optimization
    • 2. Level-1/Level-2 routing control
      • 3. Route aggregation
        - OSPF advanced features
        • 1. Route summarization and filtering
          • 2. Special area types and applications
            • 3. Fast convergence technologies
              Advanced BGP Features10%- Route reflectors and confederations
              - BGP multi-homing and load balancing
              - BGP route selection and attributes
              - Routing policies and filtering
              IPv6 Routing20%- IPv6 address planning and configuration
              - BGP4+ for IPv6
              - Transition mechanisms (dual-stack, tunnel, translation)
              - OSPFv3 and IS-IS for IPv6
              MPLS Technologies19%- MPLS OAM and protection
              - MPLS fundamentals and label distribution
              - MPLS VPN (L3VPN, L2VPN)
              - LDP and RSVP-TE protocols
              Advanced Ethernet Technologies10%- Port isolation and security features
              - VLAN aggregation and MUX VLAN
              - Ethernet link aggregation and reliability
              - QinQ and VLAN mapping
              Network O&M7%- Log and alarm management
              - Configuration management and backup
              - Network monitoring and performance analysis
              - Routine maintenance procedures

              >> Huawei H12-831_V1.0 Exam Sample Questions <<

              Pass Guaranteed Huawei - H12-831_V1.0 - Newest HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Exam Sample Questions

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              Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q143-Q148):

              NEW QUESTION # 143
              On the network shown in the figure, the DHCP server function is enabled on GE0/0/0 of R2, and the address pool is an interface address pool.
              When GE0/0/0 and GE0/0/1 of R1 function as DHCP clients, only one interface can obtain an IP address by default.

              Options:

              Answer: A

              Explanation:
              Comprehensive and Detailed In-Depth Explanation:
              Understanding the DHCP Process in This Scenario:
              * DHCP Server on R2:
              * The DHCP server is configured on interface GE0/0/0 of R2.
              * The address pool is an interface address pool, meaning that IP addresses are allocated from the subnet of GE0/0/0 (i.e., 10.0.12.0/24).
              * DHCP Clients on R1:
              * Both interfaces (GE0/0/0 and GE0/0/1) on R1 are set as DHCP clients, meaning they will send DHCP DISCOVER messages to obtain an IP address dynamically.
              * Why Only One Interface Gets an IP Address?
              * Interface address pools in Huawei devices assign only one IP address per MAC address (which is typically the router's MAC).
              * Since both interfaces belong to R1, they share the same MAC address when making a DHCP request.
              * As a result, the DHCP server on R2 only assigns one IP address to the first requesting interface.
              * The second request is ignored or denied by the DHCP server due to the duplicate MAC address issue.
              Key Takeaways:
              * Huawei routers using an interface-based DHCP address pool assign only one IP per MAC address.
              * Since both interfaces on R1 have the same MAC, only one gets an IP.
              * This behavior is expected in Huawei's HCIP-Datacom-certified DHCP configurations.
              HCIP-Datacom-Advanced Routing & Switching Technology References:
              * Huawei HCIP-Datacom Official Certification Guide, Chapter on DHCP Server and Client Configurations.
              * Huawei Datacom Configuration Guide, Section on Interface Address Pools and Address Assignment Limitations.
              * Huawei Enterprise Networking Training Materials, DHCP Relay and DHCP Server Behavior.


              NEW QUESTION # 144
              On the network shown in the figure, R1 and R2 use directly connected interfaces to establish a BGP peer relationship. The debugging information shown in the figure is displayed on R2. Drag the values on the left to the corresponding descriptions on the right.

              Answer:

              Explanation:

              Explanation:

              # Debug Logs on R2:
              nginx
              CopyEdit
              Received OPEN from 10.0.1.1...
              Router ID: 10.0.1.1, AS: 100
              Received OPEN from 10.0.2.2...
              Router ID: 10.0.2.2, AS: 200
              * The OPEN message exchanged during BGP neighbor establishment contains:
              * Router ID of the peer
              * AS number
              * Hold time
              * Capabilities
              From the logs:
              * R2 received R1's OPEN message with:
              * Router ID = 10.0.1.1
              * AS = 100
              * R2 ' s own OPEN message shows:
              * Router ID = 10.0.2.2
              * AS = 200
              This gives us the exact matching required.
              Official Huawei Extract:
              " In BGP, the OPEN message contains the router ID and AS number of the sender. These values are exchanged during session establishment and are visible via debugging logs or display bgp peer outputs. "
              - [Huawei HCIA-Datacom Guide - BGP Peer Establishment and Debugging]


              NEW QUESTION # 145
              The administrator uses the display mpls lsp command to view the LSP of the device. The output information is shown in the figure. Which of the following descriptions of the information are correct? (Multiple choice)

              Answer: A,D


              NEW QUESTION # 146
              In the network shown in the figure, PC1 and PC2 are connected to the same switch and belong to the same VLAN. Which of the following reasons may cause PC1 and PC2 to be unable to communicate with each other? (Multiple choice)

              Answer: A,B,C,D


              NEW QUESTION # 147
              On a stable network that requires fast route convergence, you can change the value of the interval at which OSPF LSAs are updated to 0 so that topology or route changes can be immediately advertised on the network through LSAs, which speeds up route convergence.

              Answer: A


              NEW QUESTION # 148
              ......

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