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Huawei H12-831-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Advanced Interior Gateway Protocol (IGP) Features | 17% | - Route summarization, authentication, convergence - Advanced OSPF & IS-IS Features |
| Advanced Ethernet Technologies | 10% | - Advanced switching features - VLANs, MAC learning, port security |
| Troubleshooting | 10% | - Protocol and connectivity diagnosis - Structured troubleshooting methodology |
| Advanced BGP Features | 10% | - Route Reflectors and confederations - BGP route control and policy |
| IPv6 Routing | 20% | - IPv6 addressing and subnetting - IPv6 routing protocols (e.g., OSPFv3, IS-IS) |
| Network Cutover | 7% | - Configuration validation & rollback - Network migration planning |
| MPLS Technologies | 19% | - MPLS VPN configuration and operation - MPLS LDP and TE fundamentals |
| Network Operation & Maintenance | 7% | - Maintenance tools and best practices - Monitoring and troubleshooting basics |
Huawei HCIP-Datacom Sample Questions:
Question 1
According to this figure, what can we judge?
A. The IS-IS interface type of the GE0/0/1 interface of R1 is Level-1
B. The IS-IS interface type of the GE0/0/0 interface of R1 is Level-1-2
C. IS-IS IPv6 is enabled on the GE0/0/0 interface of R1
D. IS-IS IPv6 is not enabled on the GE0/0/1 interface of R1
Question 2
IGP converges faster than BGP, which may cause network traffic loss. By enabling the OSPF and BGP association feature of the device, the device can remain as a ( ) router during the set association time, and the link metric value in the LSA advertised is the maximum value, thereby informing other OSPF devices not to use this router. to forward data to avoid traffic loss. (Note: If English letters are involved, all uppercase)
A. STUB
Question 3
OSPF is deployed in a campus to implement network interconnection, and OSPF is also enabled on the GE0/0/2 interface of R3. Area1 is deployed as an NSSA area, and the device addresses are shown in the figure.
An engineer configures a static route on R3 to access the loopback interface address of R4, and imports the static route in the OSPF process.
At this time, in the Type5LSA received by R1, the forwarding address (FA) is ( ). (Note: Please fill in the IP address without mask)
A. 10.1.34.3
Question 4
What are the reasons why DHCP faces many security threats? (Multiple choice)
A. DHCP Server cannot distinguish what kind of CHADDR is super legal and what kind of CHADDR is illegal
B. The man-in-the-middle exploits the fake IP-to-MAC mapping relationship to deceive both the DHCP client and the server at the same time
C. DHCP dynamic allocation of IP addresses has a long response time
D. Because the DHCP discovery message (DHCPDISCOVER) is sent in the form of broadcast
Question 5
In order to advertise IPv6 routes in BGP4+, what fields are added in Update?
A. A new NLRI type, IPv6 NLR
B. A new path attribute: AP_UNREACH_NLRI
C. A new path attribute: IPV6_REACH_NLRI
D. A new path attribute: MP_REACH NLRI
Solutions:
| Question 1 Answer: B | Question 2 Answer: A | Question 3 Answer: A | Question 4 Answer: A,B,D | Question 5 Answer: D |

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