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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Cutover | 7% | - Migration process - Basic cutover concepts |
| Topic 2: Advanced IGP Features | 17% | - OSPF advanced features - Route control - Fast convergence - IS-IS advanced features |
| Topic 3: Advanced Ethernet Technologies | 10% | - Ethernet security - VLANs |
| Topic 4: Network Troubleshooting | 10% | - Structured troubleshooting processes - Troubleshooting methods |
| Topic 5: Network O&M | 7% | - Routine maintenance - Data collection |
| Topic 6: Advanced BGP Features | 10% | - Route reflectors - Advanced BGP features - BGP route control - Inter-domain routing optimization |
| Topic 7: MPLS Technologies | 19% | - MPLS principles - MPLS configuration - MPLS VPN applications - MPLS forwarding |
| Topic 8: IPv6 Routing | 20% | - BGP4+ - IPv6 static routes - IS-IS for IPv6 - OSPFv3 |
Answers About Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Preparation
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The package includes 246 practice questions for the H12-831_V1.0-ENU exam. Candidates often note that the study thoughts behind them are concise and easy to absorb, which keeps revision efficient rather than tedious.
To pass H12-831_V1.0-ENU you need 600/1000, and the official exam fee is USD 180. Knowing both figures early helps you plan your exam date and your practice target together.
Feedback from buyers is one of the strongest reasons new candidates trust us. Reviewers frequently mention passing smoothly and scoring well, and many describe the study thoughts as concise, easy to get, and definitely not boring. We would rather let their words speak than write our own slogans.
It is recommended to complete HCIA-Datacom certification in advance. Prerequisite exam: H12-821 (HCIP-Datacom-Core Technology).
- Network O&M (7%)
- IPv6 Routing (20%)
- Network Cutover (7%)
Spend more time on the topics that carry the most weight.
Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:
On the network shown in the figure, SW3 is the user gateway and DHCP relay agent.
The administrator plans to configure DHCP snooping on SW3 to prevent DHCP attacks.
Which of the following commands does not need to be configured on SW3?
- A. [SW3] dhcp snooping enable ipv4
- B. [SW3-GigabitEthernet0/0/2] dhcp snooping enable
- C. [SW3-GigabitEthernet0/0/1] dhcp snooping enable
- D. [SW3-GigabitEthernet0/0/3] dhcp snooping trusted
Correct Answer: A 🗳️
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VLAN aggregation is configured on a switched network. Sub-VLAN 2 and Sub-VLAN 3 are added to Super- VLAN 10. To enable hosts in different sub-VLANs to communicate with each other, run the following command in the VLANIF 10 view corresponding to the Super-VLAN.
(Enter lowercase letters.)
Correct Answer:
inter-sub-vlan-proxy enable
Explanation:
Understanding VLAN Aggregation (Super-VLAN and Sub-VLANs)
* VLAN aggregation allows multiple sub-VLANs to be grouped under a super-VLAN, reducing the number of VLANIF interfaces required for IP address configuration.
* Super-VLAN: A logical VLAN that does not forward Layer 2 traffic directly but is used for Layer 3 communication.
* Sub-VLANs: VLANs that exist within the Super-VLAN but cannot communicate with each other by default.
2## Why is the " inter-sub-vlan-proxy enable " Command Needed?
* By default, hosts in different sub-VLANs under the same super-VLAN cannot communicate with each other because sub-VLANs do not exchange MAC address information.
* The inter-sub-vlan-proxy enable command allows Layer 3 communication between sub-VLANs under the same super-VLAN by acting as a proxy for ARP requests and replies.
* This enables inter-sub-VLAN communication while still reducing the number of VLANIF interfaces required.
3## Command Syntax and Execution
* The correct command should be run under the VLANIF interface of the super-VLAN:
[Switch] interface vlanif 10
[Switch-Vlanif10] inter-sub-vlan-proxy enable
Reference: HCIP-Datacom Advanced Routing & Switching Technology - VLAN Aggregation and Inter-Sub- VLAN Communication
On the BGP/MPLS IP VPN network shown in the figure, which of the following RT settings can enable Site1 and Site2 to communicate with Site3 but prevent Site1 and Site2 from communicating with each other?
- A. PE1: IRT=100:1; ERT=200:1
PE2: IRT=200:1; ERT=100:1
PE3: IRT=100:1; ERT=200:1 - B. PE1: IRT=100:1; ERT=200:1
PE2: IRT=100:1; ERT=200:1
PE3: IRT=200:1; ERT=100:1 - C. PE1: IRT=100:1; ERT=100:1
PE2: IRT=200:1; ERT=200:1
PE3: IRT=100:1, 200:1; ERT=100:1, 200:1 - D. PE1: IRT=100:1; ERT=100:1
PE2: IRT=100:1; ERT=100:1
PE3: IRT=100:1; ERT=100:1
Correct Answer: B,C 🗳️
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If technology migration on the network affects the services running on the live network, strictly follow the preset operation process and risk control measures during the implementation of the technology migration project. Generally, this type of project is defined as a migration project. Which of the following operations performed on the live network belongs to a non-migration project?
- A. Modifying the description of router interfaces in batches
- B. Changing the area type of some OSPF routers to the stub area in batches
- C. Changing the mode of importing routes to BGP from network mode to import mode in batches
- D. Changing the levels of IS-IS Level-1-2 routers to Level-1 in batches
Correct Answer: A 🗳️
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 are true?
- A. 10.0.2.2 can ping 10.0.3.3.
- B. 10.0.12.2 can ping 10.0.3.3.
- C. 10.0.1.1 can ping 10.0.2.2.
- D. 10.0.1.1 can ping 10.0.3.3.
Correct Answer: A,B,C 🗳️
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