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  1. Home
  2. Huawei Certification
  3. H12-891_V1.0 Exam
  4. Huawei.H12-891_V1.0.v2025-06-03.q273 Dumps
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Question 71

For a non-directly connected EBGP neighbor to establish properly, what configurations must be included as follows?

Correct Answer: C,D
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Question 72

A company deployed SSM multicast, in order to save the bandwidth consumption of multicast data in the LAN, the network administrator made the following configuration on the switch

Correct Answer: B
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Question 73

As shown below, RI, R2 establish EBGP neighbors, and once turned on, the BFD detection function, the following statement is correct?

Correct Answer: B
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Question 74

In an MPLS domain, LSRs can be classified into ingress, transit, and egress LSRs based on how they process data. For the same FEC, an LSR can be both an ingress and a transit LSR of the FEC.

Correct Answer: B
In MPLS (Multiprotocol Label Switching), Label Switching Routers (LSRs) handle packets based onFECs (Forwarding Equivalence Classes)and their positions in the label-switched path:
Ingress LSR:The entry point for labeled packets; it classifies packets into FECs and assigns the initial label.
Transit LSR:Intermediate routers that swap labels and forward packets along the LSP.
Egress LSR:The last router in the LSP that removes the label and forwards the packet normally.
An LSRcannotbeboth an ingress and a transit router for the same FEC, because an ingress LSR is defined as thestarting pointfor that specific FEC's LSP. If it's the ingress, it means the labeled pathstarts there, so it can't be in themiddle (transit)of that same path.
Therefore, the statement isFALSE.
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Question 75

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

Correct Answer: D
Understanding Performance Measurement in Huawei CloudWAN
Huawei CloudWANenables intelligent traffic management,real-time network monitoring, and automated operations.
#Traditional Performance Monitoring Methods
TWAMP (Two-Way Active Measurement Protocol)# Measureslatency and jitterby injecting test traffic.
Telemetry# Providesreal-time network visibility, butdoes not measure actual service traffic performance.
BGP FlowSpec# Used forDDoS mitigation, not performance measurement.
#iFIT (In-situ Flow Information Telemetry)
#iFIT is a next-generation performance monitoring technologythat 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:Ensureslow-latency paths for ultra-reliable services.
CloudWAN Optimization:Detects network congestionwithout affecting user traffic.
#Reference:Huawei HCIE-Datacom Guide - iFIT and Intelligent Performance Monitoring
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