- Exam Code: H12-831_V1.0-ENU
- Exam Name: HCIP-Datacom-Advanced Routing & Switching Technology V1.0
- Updated: Oct 19, 2026
- Q & A: 246 Questions and Answers
Huawei H12-831_V1.0-ENU Exam : HCIP-Datacom-Advanced Routing & Switching Technology V1.0
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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Network Troubleshooting | 10% | - Fault diagnosis and analysis methods - Troubleshooting routing and switching issues |
| MPLS Technologies | 19% | - MPLS basics and label distribution - MPLS VPN and traffic engineering - MPLS protection and fast reroute |
| Network O&M | 7% | - Performance optimization and capacity planning - Network monitoring and management tools |
| IPv6 Routing | 20% | - BGP4+ and IPv6 route deployment - OSPFv3 and IS-IS for IPv6 - IPv6 addressing and transition technologies |
| Advanced IGP Features | 17% | - OSPF advanced features and optimization - IGP route selection and control - IS-IS advanced features and convergence |
| Advanced BGP Features | 10% | - BGP route attributes and policies - Route reflectors and confederations - BGP path control and filtering |
| Advanced Ethernet Technologies | 10% | - Ethernet OAM and protection mechanisms - VLAN stacking and QinQ - Advanced link aggregation and reliability |
| Network Cutover and Migration | 7% | - Migration strategies and risk control - Service switchover and verification |
Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:
Question #1
On the BGP/MPLS IP VPN network shown in the figure, which of the following RT settings can enable Sitel and Site2 to communicate with Site3?
- A.
- B.
- C.
- D.
Correct Answer: B,C,D 🗳️
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Question #2
An administrator runs the display mpls lsp command to view LSPs on a device. The command output is shown in the figure.
Which of the following statements is true?
Options:
- A. Before forwarding a packet destined for 1.1.1.1, the device adds label 3 to the packet.
- B. Before forwarding a packet destined for 2.2.2.2, the device adds label 3 to the packet.
- C. Before forwarding a packet destined for any IP address, the device removes labels from the packet.
- D. Before forwarding a packet destined for 3.3.3.3, the device adds label 1027 to the packet.
Correct Answer: D 🗳️
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Question #3
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?
- A. 10.0.1.1 can ping 10.0.2.2.
- B. If R1 pings a nonexistent IP address, for example, 10.0.4.4, R1 does not send any data packets.
- C. 10.0.1.1 can ping 10.0.3.3.
- D. 10.0.2.2 can ping 10.0.3.3.
Correct Answer: C 🗳️
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Question #4
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.
Question #5
IS-IS LSP fragments are identified by the LSP Number field their LSP IDs. This field Is 4 bits long.
Therefore, an -is process can generate a minimum of 256 LSP fragments, which means only a limited amount of information can be carried. By adding additional system 1Ds, you can enable the 1515 process o generate more LSP fragments.
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
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