H12-891_V1.0 VCE DUMPS & H12-891_V1.0 PREPARATION LABS & H12-891_V1.0 VCE FILES

H12-891_V1.0 VCE dumps & H12-891_V1.0 preparation labs & H12-891_V1.0 VCE files

H12-891_V1.0 VCE dumps & H12-891_V1.0 preparation labs & H12-891_V1.0 VCE files

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Huawei HCIE-Datacom V1.0 Sample Questions (Q32-Q37):

NEW QUESTION # 32
The Huawei SD-WAN solution has three types of channels. Drag the channel names to their corresponding callouts.

Answer:

Explanation:

Explanation:
A white line with black lines AI-generated content may be incorrect.

In Huawei'sSD-WAN architecture, the following channels are defined:
Management Channel (Callout 1)
BetweeniMaster NCEandEdge devices.
Used for deviceregistration, configuration, and monitoring.
Encrypted with HTTPS.
Control Channel (Callout 2)
BetweenEdge devices and RR (Route Reflector).
Used forroute exchangeandcontrol signaling, typically overMPLS or Internet.
Data Channel (Callout 3)
BetweenEdge to Edge(e.g., HQ to branch).
Used for actualservice traffic transmission, carried overMPLS, Internet, or both.
Correct Mapping:
Management channel# Callout1(from iMaster NCE to Edge)
Control channel# Callout2(Edge to RR)
Data channel# Callout3(Edge to Edge, over MPLS/Internet)


NEW QUESTION # 33
During the configuration of L3VPNv4 over SRv6 BE, if an RR is deployed in the SR domain, which command must be run on the RR to ensure that the PEs at both ends can correctly learn VPNv4 routes?

Answer:

Explanation:
peer retain-route-target all
Explanation:
Understanding L3VPNv4 Over SRv6 BE
#What is L3VPNv4?
L3VPNv4 (Layer 3 VPN over IPv4) allowsMPLS-based VPN servicesover anSRv6 backbone.
UsesMP-BGP (Multiprotocol BGP)to distribute VPN routes.
#Why is an RR (Route Reflector) Needed?
AnRR simplifies BGP route exchangebetween multiple PEs (Provider Edge routers).
Without proper configuration, RRs may filter VPNv4 routes, preventing PEs from learning routes correctly.
Why is the Command peer retain-route-target all Needed?
#Ensures that the RR retains all VPNv4 routes.
#Prevents the RR from filtering route targets (RTs), allowing full VPN reachability.
#Without this command, the RR might not reflect all VPNv4 routes, causing connectivity issues.
Real-World Application:
Enterprise MPLS VPNs:Ensurescorrect BGP route reflection in an SRv6-based L3VPN.
copyright Networks:Helpsservice providers maintain full BGP VPN route distribution.
#Reference:Huawei HCIE-Datacom Guide - BGP Route Reflectors in L3VPN over SRv6


NEW QUESTION # 34
The RR (Route Reflector) is critical to the Huawei SD-WAN Solution, and its deployment mode varies based on the scenario. In which of the following modes can an RR be deployed?

  • A. Partially independent deployment of the RR
  • B. Co-deployment of the RR and hub site
  • C. Multi-area deployment of the RR
  • D. Independent deployment of the RR

Answer: A,B,D

Explanation:
Understanding Route Reflectors (RRs) in Huawei SD-WAN
In Huawei's SD-WAN Solution, BGP Route Reflectors (RRs) are used to reduce the number of BGP peer relationships and optimize routing scalability.
# Key Functions of an RR in SD-WAN:
* Centralizes BGP route distribution in large-scale SD-WAN networks.
* Reduces full-mesh BGP peering complexity.
* Improves network scalability and convergence time.
Analysis of Each Deployment Mode:
# B. Independent deployment of the RR
* Correct: The RR is deployed as a standalone device, independent of the SD-WAN hub site.
* Best for large-scale SD-WAN deployments requiring dedicated route control.
# C. Co-deployment of the RR and hub site
* Correct: The RR is co-located with the SD-WAN hub site, reducing infrastructure overhead.
* Best for mid-sized SD-WAN deployments where the hub and RR functions can be combined.
# D. Partially independent deployment of the RR
* Correct: The RR is partially separated from the hub but still shares some resources.
* Provides a balance between full independence and co-location.
# A. Multi-area deployment of the RR (Incorrect Choice)
* Multi-area RR deployment is not a common Huawei SD-WAN practice.
* Huawei does not require separate RRs per area, as SD-WAN is based on centralized policy-based routing.
Real-World Application:
* Large Enterprise SD-WAN: Uses independent RRs to optimize global network routing.
* Service Provider SD-WAN: Uses co-deployed RRs to reduce infrastructure costs while maintaining route scalability.
# Reference: Huawei HCIE-Datacom Guide - BGP Route Reflectors in SD-WAN Architecture


NEW QUESTION # 35
NXLAN under different VPNs need to be accessed, one of the subnets is as follows, EVPN under RT 10: 10 both, RT 1000: 1000 export, VPN RT 100: 100 The other subnet can be configured as ?

  • A. EVPN configures 1000:1000 both
  • B. Configure 10:10 both under VPN.
  • C. Configure 1000:1000 export under EVPN
  • D. Vpn configure 1000:1000 both evpn

Answer: A,D


NEW QUESTION # 36
In BGP4+, what is the content of the next hop network address field carried in the MP_REACH_NLRI attribute of an Update packet?

  • A. It must be a global unicast address.
  • B. The link-local address and global unicast address can be carried at the same time.
  • C. It must be a link-local address.
  • D. It can be only a link-local address.

Answer: A

Explanation:
In BGP4+ (used for IPv6 routing), the MP_REACH_NLRI attribute is used to advertise reachable routes. The Next Hop field must:
Contain a global unicast IPv6 address
Link-local addresses are not used in MP_REACH_NLRI because they are valid only on a local link and not suitable for inter-AS routing.
RFC 2545 (Multiprotocol Extensions for BGP-4) also states that the Next Hop must be a routable global address.
Therefore:
C: It must be a global unicast address - is correct.
The other options involving link-local addresses are incorrect.


NEW QUESTION # 37
......

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