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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IPv6 Routing | 20% | - OSPFv3 and IS-IS for IPv6 - BGP4+ for IPv6 - Transition mechanisms (dual-stack, tunnel, translation) - IPv6 address planning and configuration |
| Topic 2: Advanced BGP Features | 10% | - Routing policies and filtering - BGP multi-homing and load balancing - BGP route selection and attributes - Route reflectors and confederations |
| Topic 3: Advanced IGP Features | 17% | - OSPF advanced features
|
| Topic 4: Advanced Ethernet Technologies | 10% | - QinQ and VLAN mapping - VLAN aggregation and MUX VLAN - Port isolation and security features - Ethernet link aggregation and reliability |
| Topic 5: Network Troubleshooting | 10% | - Structured troubleshooting methodology - Switching and link fault handling - Routing protocol fault diagnosis - Performance and service fault resolution |
| Topic 6: Network Cutover | 7% | - Pre-cutover verification - Cutover planning and risk assessment - Implementation and rollback strategy - Post-cutover validation |
| Topic 7: MPLS Technologies | 19% | - LDP and RSVP-TE protocols - MPLS VPN (L3VPN, L2VPN) - MPLS OAM and protection - MPLS fundamentals and label distribution |
| Topic 8: Network O&M | 7% | - Configuration management and backup - Network monitoring and performance analysis - Log and alarm management - Routine maintenance procedures |
Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:
In the preparation phase of a migration project , the software and hardware need to be checked. Match the operation objects in the preparation phase with the corresponding operation contents.
Correct Answer:
Explanation:
Network cable # Use a tester to check connectivity.
Device version file # Check the size of the software package and check whether the file matches the device model.
Board # Install the board on a device that is not connected to the network and observe the running status of the device.
License # Check whether the license is in the validity period to prevent device functions from being affected.
Migration personnel list # Check whether responsibilities and permissions are clearly assigned.
Comprehensive and Detailed In-Depth Explanation:
1. Network Cable - Connectivity Testing:
* Before starting a migration project, all network cables should be tested for physical connectivity issues
.
* Network testers can be used to detect any breaks, shorts, or incorrect wiring.
* Ensuring proper connectivity avoids delays and troubleshooting issues during the migration.
2. Device Version File - Software Compatibility Check:
* Firmware and software versions must be verified before upgrading or migrating network devices.
* The device version file should match the model and hardware specifications to avoid compatibility issues.
* If incorrect software is used, the device may not function properly or could become inoperable.
3. Board - Installation and Hardware Verification:
* Before installing new hardware modules (boards, line cards, etc.) into a production environment, they should be tested in isolation .
* Testing ensures the board is operational and does not introduce faults into the system.
* If a board is faulty, it can cause device failure or unexpected behavior in the migration.
4. License - Validity and Activation Check:
* Some network devices require licenses for full functionality (e.g., advanced routing, security features).
* If a license is expired or missing, critical functions may be disabled after migration.
* Checking license status in advance prevents unexpected downtime or service disruptions.
5. Migration Personnel List - Roles and Responsibilities Assignment:
* Large network migrations require clear responsibility assignments for each team member.
* A migration personnel list ensures that everyone knows their role, tasks, and permissions .
* Proper coordination avoids miscommunication, errors, and project delays.
Key Takeaways:
# Network cables should be tested for connectivity.
# Software versions should match the hardware model to prevent incompatibility.
# Hardware boards should be tested before installing into production.
# Licenses should be verified to prevent service disruptions.
# Migration personnel roles should be clearly defined for smooth execution.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* Huawei HCIP-Datacom Official Certification Guide , Chapter on Network Migration Best Practices .
* Huawei Enterprise Networking Whitepapers , Guidelines on Software & Hardware Pre-checks for Migration .
* Huawei Technical Documentation , License Management in Huawei Datacom Devices .
R1 forwards a packet with the destination IP address of 4.4.4.4 on an MPLS network .
* Some LSP (Label Switched Path) information of R3 is shown in the figure.
* During packet transmission, which of the following devices perform MPLS label operations ?
- A. R4
- B. R3
- C. R2
- D. R1
Correct Answer: B,C,D 🗳️
Explanation: Only visible for BraindumpsIT members. You can sign-up / login (it's free).
On the network shown in the figure, IS-IS runs on R1, R2, R4, and R5, and the area ID is 49.0001. IS-IS runs on R3 and R6, and the area ID is 49.0002. The import-route isis level-2 into level-1 command is configured on R2 and R5. In AS 65000, R1, R3, R4, and R6 each establish iBGP peer relationships with R2 and R5. R2 and R5 are RR (Route Reflectors), and R1, R4, R3, and R6 are the iBGP peer relationship clients. The iBGP peer relationship ID is 10.0.0.X/32, where X is the number of the iBGP router. R1 and R4 import the external route 192.168.1.0/24 to BGP through the import-route command, and R3 and R6 import the external route
192.168.2.0/24 to BGP through the import-route command. Which of the following statements are true?
- A. The routing table of R4 contains two equal-cost default routes.
- B. The routing table of R1 contains two equal-cost default routes.
- C. The route 192.168.2.0/24 in the routing table of R4 has two different outbound interfaces.
- D. The routing table of R1 contains the route 192.168.2.0/24.
Correct Answer: D 🗳️
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Service routes of an enterprise are transmitted on the network. Some configurations of PE1 and PE2 are shown in the figure. Which of the following LSAs may CE2 receive?
- A. Type 1 LSA
- B. Type 7 LSA
- C. Type 5 LSA
- D. Type 3 LSA
Correct Answer: A,D 🗳️
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I-SPF and PRC can speed up ISIS route convergence. PRC does not calculate nodes. Instead, it updates routes based on the shortest path tree (SPT) calculated using the SPF algorithm.
- A. FALSE
- B. TRUE
Correct Answer: B 🗳️
