Huawei H12-891_V1.0 for the latest training materials

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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Bearer WAN Planning and Deployment	15%	- Traffic Engineering 1. RSVP-TE 2. Flex-Algo 3. SR-TE - SR (Segment Routing) 1. SR-MPLS 2. SRv6 - VPN Services 1. EVPN 2. L3VPN
Topic 2: Advanced Routing and Switching Technology	37%	- BGP 1. Basic Concepts 2. Configurations and Troubleshooting 3. Path Selection 4. Routing Policies 5. Route Aggregation - MPLS 1. MPLS TE 2. Basic Concepts 3. Configurations 4. MPLS VPN 5. LDP - Ethernet Switching 1. VXLAN 2. STP/RSTP/MSTP 3. Stack & CSS 4. VLAN - IS-IS 1. Addressing 2. Network Types 3. Basic Concepts 4. Configurations and Troubleshooting 5. Route Leaking - Route Control 1. IP Prefix List 2. Route Filtering 3. Route-policy 4. ACL - OSPF 1. Route Calculation 2. LSA Types 3. Basic Concepts 4. Area Types 5. Configurations and Troubleshooting
Topic 3: WAN Interconnection Network Planning and Deployment	8%	- SD-WAN 1. Architecture 2. Orchestrator - MPLS VPN 1. Full-Mesh 2. Hub-Spoke - Inter-AS VPN 1. Option C 2. Option B 3. Option A
Topic 4: Campus Network Planning and Deployment	23%	- Overlay Network (VXLAN) 1. VXLAN Gateway 2. BGP EVPN - Campus Network Architecture 1. Spine-Leaf Architecture 2. Hierarchical Design - Underlay Network 1. IP Address Planning 2. Physical Layer Design - Network Services 1. WLAN 2. Network Security 3. QoS
Topic 5: Network Automation	17%	- Automation Technologies 1. NETCONF/YANG 2. Ansible 3. RESTful API 4. Python Scripting - iMaster NCE 1. Intent-Driven Networking - NCE (Network Cloud Engine) 1. Architecture 2. Deployment

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Huawei HCIE-Datacom V1.0 Sample Questions (Q281-Q286):

NEW QUESTION # 281
The router connects two EBGP neighbors through two parallel Serial cables, what do you do to achieve bidirectional negative sharing between two EBGP neighbors connected by these two parallel Serial cables? ( Single choice questions).

A. To configure an EBGP neighbor relationship with the Loopback interface as the update source, the IGP in each AS needs to introduce two equivalent paths to the EBGP neighbor loopback address ; And the commands "ebgp maxhop" and "next-hop-local" are used
B. Without any method, BGP automatically implements load sharing of traffic across different autonomous systems on the available links
C. Configure the EBGP neighbor relationship with the Loopback interface as the update source, and the IGP in each AS needs to introduce two equivalent paths to the loopback address of the EBGP neighbor; And you need to use the command "next-hop?local"
D. Use the Loopback interface to establish an EBGP neighbor relationship, configure EBGP Muti-hop, configure the Loopback interface as the update source, and then use IGP to implement Equivalent path load sharing between Loopback addresses
E. Use the command "ebgp-load-balance" at both ends

Answer: D

NEW QUESTION # 282
Network managers can use CAR technology in traffic policing. What of the following technologies can be applied in CAR?

A. Double barrel single speed
B. Double barrel two-speed
C. Three barrels of single quick
D. Single barrel single speed

Answer: A,B

NEW QUESTION # 283
When you configure a virtualized campus network on iMaster NCE-Campus, Fit APs can immediately go online after you add them to iMaster NCE-Campus.

A. FALSE
B. TRUE

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
# Fit APs require additional configurations before going online, such as:
* AP authentication and onboarding through DHCP Option 148 or manual registration.
* Firmware upgrade and provisioning from iMaster NCE-Campus.
* Policy enforcement and VLAN assignment.
Since additional steps are required, Fit APs do not go online immediately, making the statement FALSE.
# Reference: Huawei HCIE Datacom - AP Registration and Authentication

NEW QUESTION # 284
Free mobility implements policy management and permission control based on users' VLAN IDs and IP addresses.

A. FALSE
B. TRUE

Answer: A

Explanation:
Why is Free Mobility Not Based on VLANs or IP Addresses?
* Free mobility in Huawei CloudCampus implements policy-based user access control based on user identity (rather than VLANs or IP addresses).
* Users can move across different network locations while maintaining their assigned security and access policies.
# How Free Mobility Works:
* Policies are applied based on User Groups instead of VLAN or IP.
* Uses Group-Based Policy Control (GBP) and Software-Defined Access (SDA) principles.
# Incorrect Statement Explanation:
* Traditional networks rely on VLANs and IP addresses for segmentation, but Free Mobility applies policies at the user level, allowing seamless access anywhere on the network.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei CloudCampus Solution Guide - Free Mobility and Policy Control
* HCIE-Datacom Training Material - Identity-Based Networking

NEW QUESTION # 285
Fill in Blank
As shown in the figure, a sham link is established between PE1 and PE2 through the loopback interfaces. CE2 can learn the 192.168.1.0/24 route (directed route on CE1) through the sham link and backdoor link. If other parameters use their default settings, the cost of the 192.168.1.0/24 route on CE2 should be ______. (Enter an Arabic numeral without symbols.)

Answer:

Explanation:
20
Explanation:
This is a classic MPLS L3VPN with OSPF + Sham Link scenario.Key Components:CE1 to PE1 (GE0/0/0): OSPF cost = 10CE2 to PE2 (GE0/0/0): OSPF cost = 10PE1 to PE2 via Sham Link (over loopback interfaces)What happens:CE1 advertises 192.168.1.0/24 to PE1.PE1 redistributes it into the VPNv4 BGP routing table.PE2 learns this route and redistributes it back into OSPF for CE2.Route Options Seen by CE2:Backdoor link (intra-area):CE1 ↔ CE2 directly, via GE0/0/1 on each CE → OSPF cost = 10 + 10 = 20Sham Link (inter-area route): By default, if no sham link is used, the BGP-learned route is treated as an inter-area route by CE2, with a default OSPF cost of 1 (which would make CE2 prefer this over the real CE-CE backdoor link).Purpose of Sham Link:Sham link is configured to equalize or override the cost of the BGP route so that CE2 prefers the backdoor link or sees both paths equally.In this case, Huawei defaults will cause CE2 to compute the total cost as:PE1-CE1 = 10Sham link route via PE1-PE2-CE2 = also 10 (CE1 to PE1) + 10 (PE2 to CE2) = 20Final OSPF Cost Calculation at CE2:Route learned via sham link path: 10 (CE1 to PE1) + 10 (PE2 to CE2) = 20Correct answer: 20In Huawei MPLS L3VPN OSPF deployment:A sham link ensures that the cost via the MPLS VPN path is comparable to the real CE-to-CE OSPF backdoor path, preventing suboptimal routing.Without sham link: BGP redistributed routes appear as inter-area Type 3 LSAs with low cost (usually 1).With sham link: Route appears as intra-area and OSPF calculates true cost based on interface metrics.
Reference:
Huawei HCIE-Datacom V1.0 Study GuideChapter: MPLS L3VPN Integration with OSPFSection: Sham Link Design and Cost Calculation

NEW QUESTION # 286
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