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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 Written Exam |
| Exam Number: | H12-891_V1.0 |
| Exam Duration: | 120 minutes |
| Available Languages: | English, Chinese |
| Exam Format: | Multiple choice questions, Single choice questions |
| Exam Price: | USD 300 (approx.) |
| Certificate Validity Period: | 3 years |
| Passing Score: | 600/1000 |
| Related Certifications: | HCIE-Datacom HCIP-Datacom HCIA-Datacom |
| Real Exam Qty: | 60-70 |
| Recommended Training: | Huawei Learning Platform HCIE-Datacom Official Training |
| Exam Registration: | Huawei Talent Certification Platform Huawei Certification Exam Registration |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Computer-based online or authorized test center exam (via Huawei certification system / Pearson VUE where applicable). |
| Pre Condition: | Recommended to hold HCIP-Datacom certification or equivalent knowledge before attempting HCIE-Datacom exam. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/#/cert/overview |
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Die Huawei H12-891_V1.0 (HCIE-DATACOM V1.0) -Zertifizierungsprüfung richtet sich an Fachleute, die die neuesten Technologien und Trends in der Rechenzomischbranche ein tiefes Verständnis haben. Dieses Zertifizierungsprogramm ist ideal für Netzwerkingenieure, Netzwerkarchitekten und andere Fachkräfte, die für die Entwurf, Implementierung und Wartung von Datacom-Netzwerken auf Unternehmensebene verantwortlich sind.
267. Frage
Why is BGP an enhanced distance vector routing protocol?
Antwort: C
268. Frage
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following fields is not carried in BGP EVPN Type 2 routes?
Antwort: A
Begründung:
BGP EVPN Route Types in VXLAN:
BGP EVPN Type 2 Route (MAC/IP Advertisement Route)
Used forhost reachability advertisement.
Carries MAC and IP address information of endpoints.
Does not carry an IP Prefix field(Type 5 routes handle prefixes).
Correct Explanation of Answer Choices:#IP Address (B) is included- Used for host mobility and reachability.
#L3VNI (C) is included- Used forLayer 3 VXLAN routing.#L2VNI (D) is included- Used forLayer 2 VXLAN bridging.#IP Prefix (A) is not included in Type 2 routes- It is part ofEVPN Type 5 routesforprefix advertisement.
Reference from Huawei HCIE-Datacom Documentation:
Huawei VXLAN BGP EVPN Configuration Guide - Type 2 vs. Type 5 Routes
HCIE-Datacom Training Material - VXLAN Overlay Networks and BGP EVPN
269. Frage
In SSP packages, Jinja2 templates are used to implement mapping. In the Jinja2 syntax, {% ... %} contains control structures, for example, a 'for' loop.
Antwort: B
Begründung:
Understanding Jinja2 Templates in Huawei SSP Packages
#What is Jinja2?
Jinja2 is atemplating engineused inHuawei SSP (Smart Script Package) automation.
It allowsdynamic configuration generationbased on variables and logic.
#Jinja2 Syntax Basics:
#{% ... %}# Used forcontrol structureslike loops and conditions.
#{{ ... }}# Used forvariable placeholders.
Example of a Jinja2 Template Using {% ... %} for a Loop:
{% for interface in interfaces %}
interface {{ interface.name }}
description {{ interface.description }}
{% endfor %}
#This template dynamically generates interface configurationsbased on a list of interfaces.
Why is the Answer TRUE?
#{% ... %} is used for control structures in Jinja2 templates(e.g., loops, if-else statements).
#Jinja2 templates are widely used in SSP for Huawei network automation.
Real-World Application:
Automated Network Configuration:Uses Jinja2 inHuawei SSP automation scripts.
Data Center & SDN Automation:Dynamically generatesVXLAN, BGP, and OSPF configurations.
#Reference:Huawei HCIE-Datacom Guide - Jinja2 Templates in SSP Packages
270. Frage
In the SD-WAN Solution, which routing protocols can be used by LAN-side devices to connect to a Layer 3 network?
Antwort: A,B,C,D
Begründung:
In the Huawei SD-WAN solution, LAN-side devices (such as CPEs and aggregation routers) use various routing protocols to connect to Layer 3 networks and exchange routes dynamically. The supported protocols include:
✅ A. IS-IS (Intermediate System to Intermediate System)
A link-state protocol often used in large enterprise networks for fast convergence and scalability.
✅ B. OSPF (Open Shortest Path First)
A widely used dynamic routing protocol for intra-domain (LAN) connectivity.
Commonly used in enterprise networks to connect SD-WAN edge routers to LAN networks.
✅ C. BGP (Border Gateway Protocol)
BGP is primarily used for WAN and internet connectivity, but it can also be used inside large enterprise networks for LAN-side routing.
BGP enables inter-domain routing and policy-based route control.
✅ D. RIP (Routing Information Protocol)
A legacy distance-vector protocol still supported in some networks for basic LAN routing.
Less preferred due to slow convergence and hop-count limitations.
Reference from Huawei HCIE-Datacom Documentation:
Huawei SD-WAN Deployment Guide - LAN-Side Routing Protocols
HCIE-Datacom Training Material - Routing Configuration in SD-WAN
271. Frage
Which of the following statements aboutSR-MPLS Policy path planningare correct?
Antwort: A,B,C
Begründung:
Comprehensive and Detailed In-Depth Explanation:
A). When planning paths based on bandwidth:Correct. The available bandwidth of each interface must beset in advanceto allow path planning based on bandwidth requirements.
B). When planning paths based on delay:Correct. To plan paths considering delay, you need to deployTWAMP (Two-Way Active Measurement Protocol)oriFIT (Intelligent Flow Information Telemetry)to measure thereal-time delayon network links.
C). If the controller plans SR-MPLS Policy paths:Incorrect. The controller can planprimary, backup, and load- balanced paths, enablingtraffic distribution across multiple paths.
D). Statically planned SR-MPLS Policy paths:Correct. You canmanually configure load balancingfor the primary path when planning the SR-MPLS Policy path statically.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei SR-MPLS Traffic Engineering Configuration Guide
272. Frage
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