Updated: Sep 20, 2026
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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Advanced Routing & Switching Technology V1.0 |
| Exam Number: | H12-831_V1.0-ENU |
| Exam Duration: | 90 minutes |
| Available Languages: | English, Chinese |
| Related Certifications: | HCIA-Datacom HCIP-Datacom |
| Exam Price: | $200 USD (varies by region) |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Real Exam Qty: | 60-70 |
| Exam Format: | Single-choice questions, Drag and drop, Multiple-choice questions, Case-based questions |
| Recommended Training: | HCIP-Datacom Official Training |
| Exam Registration: | Huawei Certification Official Portal |
| Sample Questions: | Huawei H12-831_V1.0 Sample Questions |
| Exam Way: | Online proctored exam or authorized testing center (onsite) |
| Pre Condition: | Recommended completion of HCIA-Datacom or equivalent networking knowledge |
| Official Syllabus URL: | https://e.huawei.com/en/talent/ |
| Section | Objectives |
|---|---|
| Topic 1: Network Services and Optimization | - Multicast Technologies
|
| Topic 2: Advanced Routing Protocols | - BGP Configuration and Policy Control
|
| Topic 3: MPLS and VPN Technologies | - MPLS Fundamentals
|
| Topic 4: Network Design and Troubleshooting | - Fault Diagnosis
|
| Topic 5: IP Network Technologies | - IS-IS Routing Protocol
|
Entries in a MAC address table are classified into dynamic, static, and blackhole entries. In addition, the MAC address table of a switch also contains service MAC address entries, which are typically converted from dynamic entries.
Correct Answer: A 🗳️
Explanation: Only visible for Actual4Cert members. You can sign-up / login (it's free).
If a network engineer wants to clear the console port login password, which of the following needs to be entered?
Correct Answer: A 🗳️
Explanation: Only visible for Actual4Cert members. You can sign-up / login (it's free).
When configuring port security on a switch, the administrator also enables static MAC address flapping detection . If static MAC address flapping occurs , the switch takes the configured action to protect the interface.
Match the names of interface security protection actions with corresponding operations.
Correct Answer:

Explanation:
* Restrict # Discards the packets that trigger static MAC address flapping and reports an alarm.
* Protect # Discards the packets that trigger static MAC address flapping only and does not report an alarm.
* Shutdown # Sets the interface state to error-down and reports an alarm.
Comprehensive and Detailed In-Depth Explanation:
1. Understanding Port Security Modes
Port security is used to control access on a switch port based on MAC addresses. If a MAC address violation occurs (e.g., static MAC address flapping), the switch can take different actions based on the configured security mode .
Security Mode
Description
Restrict
Drops the violating packets and logs the violation by generating an alarm.
Protect
Drops the violating packets but does not generate an alarm .
Shutdown
Places the interface into error-disabled (error-down) state and logs an alarm.
2. Matching Each Security Mode with Its Operation
* Protect Mode :
* The switch drops the packets from the unauthorized MAC address .
* No alarm is generated or logged.
* Correct Mapping: " Discards the packets that trigger static MAC address flapping only and does not report an alarm. "
* Restrict Mode :
* The switch drops the packets from the unauthorized MAC address .
* An alarm is generated and logged in the system.
* Correct Mapping: " Discards the packets that trigger static MAC address flapping and reports an alarm. "
* Shutdown Mode :
* The switch shuts down the interface by placing it into the error-down state .
* An alarm is generated and logged.
* Correct Mapping: " Sets the interface state to error-down and reports an alarm. "
On the OSPFv3 network shown in the figure, area 1 is a common area. R2 generates an Inter-Area-Prefix- LSA to describe the routes of a network segment in the area. Such an LSA exists in both area 0 and area 1.
Correct Answer: A 🗳️
Explanation: Only visible for Actual4Cert members. You can sign-up / login (it's free).
On the OSPF network shown in the figure, a network engineer finds that R1 and R2 have the same router ID, and both have imported default routes (with the default-route-advertise always command configured). Given this, which of the following statements is false?
Correct Answer: B 🗳️
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