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| Section | Weight | Objectives |
|---|---|---|
| Network Cutover and Migration | 7% | - Service switchover and verification - Migration strategies and risk control |
| IPv6 Routing | 20% | - OSPFv3 and IS-IS for IPv6 - BGP4+ and IPv6 route deployment - IPv6 addressing and transition technologies |
| Network Troubleshooting | 10% | - Troubleshooting routing and switching issues - Fault diagnosis and analysis methods |
| Network O&M | 7% | - Performance optimization and capacity planning - Network monitoring and management tools |
| Advanced IGP Features | 17% | - IGP route selection and control - IS-IS advanced features and convergence - OSPF advanced features and optimization |
| Advanced BGP Features | 10% | - Route reflectors and confederations - BGP route attributes and policies - BGP path control and filtering |
| MPLS Technologies | 19% | - MPLS VPN and traffic engineering - MPLS basics and label distribution - MPLS protection and fast reroute |
| Advanced Ethernet Technologies | 10% | - Ethernet OAM and protection mechanisms - VLAN stacking and QinQ - Advanced link aggregation and reliability |
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NEW QUESTION # 16
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 common 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?
Answer: A,C,D
Explanation:
# Topology Breakdown:
* IS-IS IPv6 is running between R2, R3, and R6.
* R6's loopback0 address is 2000::6/128 .
* R6 is in Area 2 , which is an NSSA , and R2/R3 are Level-1-2 routers.
* OSPFv3 runs in other parts of the network (R1, R4, R5) .
* IS-IS IPv6 routes are being redistributed into OSPFv3 by R2 and R3.
# Option A: The routing table of R1 contains the route 2000::6/128.
# True
* R3 redistributes IS-IS into OSPFv3.
* R3 is connected to Area 0, so the route reaches R1 via normal OSPFv3 inter-area routing.
# Option B: The routing table of R6 contains the route ::/0.
# False
* Area 2 is an NSSA , which does not receive Type-5 external LSAs by default.
* R6 is in the IS-IS domain only and is not part of the OSPFv3 backbone.
* Unless a default route (default-information originate) is configured in redistribution from OSPFv3 to IS- IS (not stated), R6 will not have ::/0 .
# Option C: The routing table of R4 contains the route 2000::6/128.
# True
* R2 is a Level-1-2 router and redistributes IS-IS routes into OSPFv3.
* Area 1 is a normal/common OSPF area , so R4 receives the route from R2 via OSPFv3 Type-5 or Type-3 LSAs.
# Option D: The routing table of R5 contains the route 2000::6/128.
# True
* R3 redistributes IS-IS into OSPFv3 in Area 2 (which is NSSA).
* OSPFv3 uses Type-7 LSAs in NSSA , which are converted into Type-5 LSAs by the NSSA ABR (R3).
* R5 is in Area 2 and will receive the Type-7 LSA directly or the Type-5 LSA after conversion, so it can learn the 2000::6/128 route.
# Final answer: A, C, D
Official Huawei Extract:
" When IS-IS routes are imported into OSPFv3, they are advertised as external routes using Type-5 LSAs in standard areas, and as Type-7 LSAs in NSSAs. NSSA ABRs convert Type-7 LSAs into Type-5 LSAs for propagation into other areas. "
" Common areas can receive redistributed external routes, and routing propagation from IS-IS into OSPFv3 is supported via import-route. "
- [Huawei HCIA-Datacom Certification Guide - IPv6, IS-IS, and OSPFv3 Redistribution Sections]
NEW QUESTION # 17
Before upgrading or downgrading the system, use the "display ()" command to view the system software, backup system software, configuration files, license files, patch files, and voice files related to the current and next startup of the device.
Answer:
Explanation:
startup
NEW QUESTION # 18
In an operator's MPLSVPN network, there are two devices, PE1 and PE2, for MPLSVPN data forwarding. PE1 receives a 172.16.1.0/24 private network route from the client, and transforms it into a VPNv4 route on PE1 and assigns labels. Released to PE2 as 1027. The outgoing label of the MPLSLSR-ID from PE2 to PE1 is 1025.
When the client on PE2 accesses 172.16.1.0/24, the inner and outer labels of the frame sent by PE2 should be the combination of the following options?
Answer: B
NEW QUESTION # 19
The debug output information of an OSPF router is shown in the figure. Which of the following is the router ID of this router?
Answer: A
NEW QUESTION # 20
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.
Answer:
Explanation:
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.
NEW QUESTION # 21
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