HUAWEI - H12-891_V1.0 - VALID HCIE-DATACOM V1.0 VALID TEST PREP

Huawei - H12-891_V1.0 - Valid HCIE-Datacom V1.0 Valid Test Prep

Huawei - H12-891_V1.0 - Valid HCIE-Datacom V1.0 Valid Test Prep

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a professional-level certification exam offered by Huawei, a leading global provider of information and communications technology (ICT) infrastructure and smart devices. HCIE-Datacom V1.0 certification is designed for professionals who possess advanced knowledge and skills in the field of data communication, and are capable of designing, deploying and managing large-scale data communication networks.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) certification exam is designed to validate the skills and knowledge of IT professionals who are responsible for designing, deploying, and managing large-scale data communication networks. HCIE-Datacom V1.0 certification is an advanced-level certification that is intended for experienced network professionals who want to enhance their knowledge and skills in data communication technologies.

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) certification exam is considered one of the most challenging certification exams in the field of data communication. H12-891_V1.0 exam is designed to test the advanced-level networking skills of professionals, and it requires a high level of expertise and knowledge. Individuals who pass this certification exam are recognized as experts in the field of data communication and are highly sought after by employers.

Huawei HCIE-Datacom V1.0 Sample Questions (Q216-Q221):

NEW QUESTION # 216
Flavors are additional behaviors defined to enhance theEnd series instructionsinSRv6. Which of the followingEnd instructionscan thePSP flavorbe attached to?

  • A. End
  • B. End.X
  • C. End.BM
  • D. End.T

Answer: A,B,D

Explanation:
Comprehensive and Detailed Explanation:
#SRv6 (Segment Routing over IPv6) Flavorsprovide additionalprocessing behaviorsfor SRv6End instructions.
#PSP (Penultimate Segment Popping) Flavor:
PSP enables the penultimate node to remove the SRH (Segment Routing Header)before forwarding the packet to the last segment.
This reduces the processing overheadon the final segment node.
#Correct End Instructions for PSP:
#(A) End.X# Cross-connect behavior between segments.
#(C) End.T# Transport encapsulation in SRv6.
#(D) End# Basic SRv6 endpoint behavior.
#(B) End.BM is incorrect# This is used forBinding Segment (BSID)behavior and does not support PSP.
#Reference:Huawei HCIE Datacom - SRv6 Flavors and End Instructions


NEW QUESTION # 217
As shown in the figure, R1, R2, R3, and R4 reside in the same MPLS domain, and LDP (Label Distribution Protocol) is used to distribute MPLS labels.
R4 is the egress LSR (Label Switching Router) for the FEC (Forwarding Equivalence Class) 4.4.4.0/24.
To make R4 aware of QoS forwarding priority of a packet sent from R1 and destined for 4.4.4.0/24, Without looking up R4's label forwarding information base, The outgoing label of the FEC on R3 should be _____ (Enter an Arabic numeral without symbols).

Answer:

Explanation:
0
Explanation:
Understanding MPLS LDP and PHP (Penultimate Hop Popping):
# Label Distribution in MPLS LDP:
* LDP assigns labels to FECs so that routers can forward packets based on labels rather than IP lookup.
* Labels are advertised downstream (from R4 to R3, R3 to R2, and so on).
# Penultimate Hop Popping (PHP) Concept:
* The egress LSR (R4) does not require an incoming label for 4.4.4.0/24.
* Instead, R3 (Penultimate LSR) removes the label before forwarding the packet to R4.
* R3 forwards the packet as an IP packet, not an MPLS packet, to avoid an unnecessary label lookup at R4.
* In MPLS LDP, the label "0" is used to indicate an implicit NULL label (PHP operation).
Why the Answer is "0" (Implicit NULL Label)?
# Since R4 is the egress LSR, it does not need a label for 4.4.4.0/24.# R3 assigns the outgoing label as "0" (Implicit NULL Label) to indicate that the label should be removed before sending to R4.# R4 receives the packet as a pure IP packet (no MPLS label).
Why Other Answers Are Incorrect?
# Any value other than "0"
* If R3 assigns a label (e.g., 100), R4 would need to perform an unnecessary MPLS lookup, which is inefficient.
* Using "0" ensures PHP occurs, optimizing the forwarding process.
# Reference: Huawei HCIE Datacom - MPLS LDP and Penultimate Hop Popping (PHP)


NEW QUESTION # 218
OSPFv2 is an IGP running on IPv4 networks, whereas OSPFv3 is an IGP running on IPv6 networks. OSPFv2 and OSPFv3 have similar LSA types, but their LSA functions are slightly different. Which of the following is not an OSPFv3 LSA type?

  • A. Network-LSA
  • B. ASBR-Summary-LSA
  • C. Router-LSA
  • D. AS-External-LSA

Answer: B

Explanation:
Comprehensive and Detailed Explanation:
OSPFv2 (for IPv4) and OSPFv3 (for IPv6) LSAs differ in function and naming conventions.
Key Differences in OSPFv3 LSAs:
OSPFv3does not use ASBR-Summary-LSA. Instead, it introduces newInter-Area Prefix LSAs (Type 3) and Inter-Area Router LSAs (Type 4).
OSPFv2 ASBR-Summary-LSA (Type 4) is replaced in OSPFv3 by Inter-Area Router LSA (Type 4).
OSPFv3 LSA Types:
#Router-LSA (Type 1)- Describes router interfaces and links.
#Network-LSA (Type 2)- Describes broadcast network links.
#Inter-Area Prefix LSA (Type 3)- Replaces Summary LSAs for routes.
#Inter-Area Router LSA (Type 4)- Replaces ASBR Summary LSAs.
#AS-External LSA (Type 5)- Describes external routes (same as OSPFv2).
SinceASBR-Summary-LSA (Type 4) does not exist in OSPFv3, the correct answer isA.
#Reference:Huawei HCIE Datacom - OSPFv3 LSA Types


NEW QUESTION # 219
The following description of VLANs in Ethernet is correct?

  • A. VLANs can be extended through QinQ technology.
  • B. The range of VLANs is 0 to 4096
  • C. VLANs do not support bulk creation on devices
  • D. The default reserved VLANs for Huawei devices are 4000~4010

Answer: A


NEW QUESTION # 220
Which of the following technologies can be used to measure performance based on actual service traffic in Huawei's CloudWAN solution?

  • A. TWAMP
  • B. iFIT
  • C. BGP FlowSpec
  • D. Telemetry

Answer: B

Explanation:
Understanding Performance Measurement in Huawei CloudWAN
Huawei CloudWAN enables intelligent traffic management, real-time network monitoring, and automated operations.
# Traditional Performance Monitoring Methods
* TWAMP (Two-Way Active Measurement Protocol) # Measures latency and jitter by injecting test traffic.
* Telemetry # Provides real-time network visibility, but does not measure actual service traffic performance.
* BGP FlowSpec # Used for DDoS mitigation, not performance measurement.
# iFIT (In-situ Flow Information Telemetry)# iFIT is a next-generation performance monitoring technology that measures:
* Real service traffic performance (latency, jitter, packet loss) in real time.
* Packet forwarding behavior at each hop without injecting synthetic traffic.
* Path delay and service degradation detection.
Why is Answer D Correct?
# iFIT provides real-time network performance monitoring based on actual service traffic.# Unlike TWAMP, iFIT does not require probe packets, reducing overhead.
Real-World Application:
* 5G Transport Networks: Ensures low-latency paths for ultra-reliable services.
* CloudWAN Optimization: Detects network congestion without affecting user traffic.
# Reference: Huawei HCIE-Datacom Guide - iFIT and Intelligent Performance Monitoring


NEW QUESTION # 221
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