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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network O&M | 7% | - Log and alarm management - Routine maintenance procedures - Configuration management and backup - Network monitoring and performance analysis |
| Topic 2: Advanced Ethernet Technologies | 10% | - QinQ and VLAN mapping - Port isolation and security features - Ethernet link aggregation and reliability - VLAN aggregation and MUX VLAN |
| Topic 3: Advanced BGP Features | 10% | - BGP route selection and attributes - Route reflectors and confederations - BGP multi-homing and load balancing - Routing policies and filtering |
| Topic 4: Advanced IGP Features | 17% | - OSPF advanced features
|
| Topic 5: IPv6 Routing | 20% | - IPv6 address planning and configuration - OSPFv3 and IS-IS for IPv6 - Transition mechanisms (dual-stack, tunnel, translation) - BGP4+ for IPv6 |
| Topic 6: Network Cutover | 7% | - Pre-cutover verification - Implementation and rollback strategy - Post-cutover validation - Cutover planning and risk assessment |
| Topic 7: MPLS Technologies | 19% | - MPLS OAM and protection - LDP and RSVP-TE protocols - MPLS fundamentals and label distribution - MPLS VPN (L3VPN, L2VPN) |
| Topic 8: Network Troubleshooting | 10% | - Routing protocol fault diagnosis - Switching and link fault handling - Performance and service fault resolution - Structured troubleshooting methodology |
Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions:
On the network shown in the figure, IS-IS IPv6 runs on R2, R6, and R3, and the IPv6 address of Loopback0 on R6 is 2000::6/128 . OSPFv3 runs on other links. Area 1 is a stub area, and Area 2 is an NSSA . IS-IS routes are imported to OSPFv3 on R2 and R3. Which of the following statements are true?
- A. The routing table of R5 contains the route 2000::6/128 .
- B. The routing table of R4 contains the route 2000::6/128 .
- C. The routing table of R1 contains the route 2000::6/128 .
- D. The routing table of R6 contains the route ::/0 .
Correct Answer: A,B,C 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
A network engineer provides a troubleshooting report after rectifying a fault. The actual network is simplified into the one shown in the figure, where R1 and R2 both have OSPF enabled and function as the gateways of PC1 and PC2, respectively .
Given this, which of the following statements are true?
Network Topology:
* R1:
* Interface GE0/0/0 : 10.0.12.1/24 (Connected to R2)
* Interface GE0/0/1 : 192.168.1.1/24 (Gateway for PC1)
R2:
* Interface GE0/0/0 : 10.0.12.2/24 (Connected to R1)
* Interface GE0/0/1 : 192.168.1.2/24 (Gateway for PC2)
Options:
- A. R1 cannot ping 192.168.1.12.
- B. R1 cannot ping 192.168.1.2.
- C. R2 cannot ping 10.0.12.1.
- D. PC1 and PC2 cannot ping each other.
Correct Answer: A,D 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
On the OSPFv3 network shown in the figure:
* Area 1 is a stub area, Area 2 is a common area, and Area 3 is an NSSA (Not-So-Stubby Area).
* The IPv6 address of Loopback0 on R6 is 2000::6/128.
* The router ID of each router is 10.0.X.X, where X is the router number.
* The stub no-summary command is configured in Area 1 on R2 .
Which of the following statements is true ?
- A. The routing table of R4 does not contain the route 2000::6/128.
- B. The path for data packets from R4 to 2000::6 is R4 - > R1 - > R5 - > R3 - > R6.
- C. The LSDB of R4 contains the Inter-Area-Prefix-LSA that is generated by R1 and describes 2000::
6/128. - D. The path for data packets from R4 to 2000::6 is R4 - > R2 - > R6.
Correct Answer: A 🗳️
Explanation: Only visible for TestsDumps members. You can sign-up / login (it's free).
On the network shown in the figure, R1 and R2 use directly connected interfaces to establish a BGP peer relationship. The debugging information shown in the figure is displayed on R2. Drag the values on the left to the corresponding descriptions on the right.
Correct Answer:
Explanation:
# Debug Logs on R2:
nginx
CopyEdit
Received OPEN from 10.0.1.1...
Router ID: 10.0.1.1, AS: 100
Received OPEN from 10.0.2.2...
Router ID: 10.0.2.2, AS: 200
* The OPEN message exchanged during BGP neighbor establishment contains:
* Router ID of the peer
* AS number
* Hold time
* Capabilities
From the logs:
* R2 received R1's OPEN message with:
* Router ID = 10.0.1.1
* AS = 100
* R2 ' s own OPEN message shows:
* Router ID = 10.0.2.2
* AS = 200
This gives us the exact matching required.
Official Huawei Extract:
" In BGP, the OPEN message contains the router ID and AS number of the sender. These values are exchanged during session establishment and are visible via debugging logs or display bgp peer outputs. "
- [Huawei HCIA-Datacom Guide - BGP Peer Establishment and Debugging]
On the OSPF network shown in the figure, area 1 is a stub area, area 2 is a totally stub area, and area 3 is an NSSA. Which of the following LSAs does not exist in areas 1, 2, and 3?
- A. Type 4
- B. Type 3
- C. Type 2
- D. Type 1
Correct Answer: A 🗳️
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