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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 |
| Exam Number: | H12-891_V1.0 |
| Available Languages: | CHS, ENU |
| Exam Format: | Drag and drop item, Short Response Item, Multiple-answer Question, True or false, Single-answer Question |
| Exam Price: | 300 USD |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Related Certifications: | Huawei Certified ICT Expert (HCIE) HCIE-Datacom |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Pearson VUE or Prometric |
| Pre Condition: | It is recommended to pass HCIP-Datacom-Core Technology. 5 years of relevant work experience is suggested. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/technical-cert-details?certId=1223102600645939200&contentId=1223107831750217728 |
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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) certification exam is designed to test the candidate's knowledge and skills in the field of data communication. H12-891_V1.0 exam validates the candidate's expertise in designing, implementing and troubleshooting complex data communication networks. The HCIE-Datacom V1.0 certification is intended for professionals who are seeking to enhance their career in the field of data communication.
Huawei H12-891_V1.0 (HCIE-Datacom V1.0) certification exam is a challenging exam that requires extensive preparation and study. Candidates are expected to have a thorough understanding of networking concepts, protocols, and technologies, as well as hands-on experience in configuring and troubleshooting network devices.
NEW QUESTION # 256
In the city, that is, mpLS BGPVPN network, when the packet enters the public network forwarding, it will be encapsulated with two layers of MPLS tags, the following description of the two layers of tags, the error is ?
Answer: A
NEW QUESTION # 257
When judging the old and new LSA, the serial number parameter and the age parameter are used , and the following two parameters are correct for ?( Multiple choice questions).
Answer: B,D
NEW QUESTION # 258
Python Paramikoimplements theSSH protocol. In thePython Paramiko module, which of the following classes is used tocreate SFTP sessions and perform remote file operations?
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
#Paramikois a Python library that providesSSH and SFTPfunctionality.
#The SFTPClient classis specifically designed forSFTP (Secure File Transfer Protocol)operations.
#How It Works:
ATransport sessionis established using Transport().
AnSFTP sessionis created using SFTPClient.from_transport().
File operations(upload/download) are performed viaSFTP methods.
#Why Not Other Options?
#(A) Packetizer class# Handleslow-level SSH message processing, not SFTP.
#(C) Channel class# CreatesSSH channels, not SFTP sessions.
#(D) Transport class# EstablishesSSH connections, butdoes not perform file operations.
#Reference:Huawei HCIE Datacom - Python Paramiko and SFTP Implementation
NEW QUESTION # 259
A network administrator runs the display telemetry subscription command on a device to check telemetry subscription information. The command output is as follows:
[~CE]display telemetry subscription
Sub-name : Sub1
Sensor group:
Sensor-name Sample-interval(ms) State
Sensor1 1000 RESOLVED
Destination group:
Dest-name Dest-IP Dest-port State Vpn-name Protocol
Dest1 192.168.56.1 20000 RESOLVED - GRPC
Sub-state : PASSIVE
Total subscription number is : 1
Which of the following statements is incorrect?
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
# Correct Interpretations from the Output:# (A) The subscription name is "Sub1" (Confirmed from output).# (C) The subscription is static (PASSIVE state indicates this).# (D) The sample interval is
1000ms (1 second).
# (B) Incorrect:
* The IP address "192.168.56.1" belongs to the destination server, not the local device.
# Reference: Huawei HCIE Datacom - Telemetry Subscription and Monitoring
NEW QUESTION # 260
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?
On a VXLAN-based virtualized network, if the fabric networking mode is centralized gateway networking, the gateway is located on the _____ device. (Capitalize the first letter.)
Answer:
Explanation:
SpineIn VXLAN centralized gateway networking, the default gateway (for both intra- and inter-subnet traffic) is placed on the Spine node, which acts as a centralized gateway device.This architecture simplifies routing and enables centralized control for inter-VNI routing. It is often contrasted with distributed gateway mode, where gateways reside on leaf nodes.Huawei Datacom Reference:"In centralized gateway mode, the spine node functions as the gateway and processes both inter-VNI routing and gateway services."(Source: HCIE- Datacom V1.0 Official Training - VXLAN & Fabric Networking Chapter, Section: VXLAN Gateway Deployment Modes) 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.
Carrier Networks:Helpsservice providers maintain full BGP VPN route distribution.
#Reference:Huawei HCIE-Datacom Guide - BGP Route Reflectors in L3VPN over SRv6
NEW QUESTION # 261
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