REAL H12-891_V1.0 TESTING ENVIRONMENT | H12-891_V1.0 LATEST EXAM VCE

Real H12-891_V1.0 Testing Environment | H12-891_V1.0 Latest Exam Vce

Real H12-891_V1.0 Testing Environment | H12-891_V1.0 Latest Exam Vce

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a valuable certification for those who want to stand out in their careers as data communication network professionals. HCIE-Datacom V1.0 certification is recognized globally, making it easier for candidates to advance their careers in networking. HCIE-Datacom V1.0 certification demonstrates their knowledge and expertise in Huawei's technologies, making them valuable assets to organizations that use Huawei products. Candidates who pass the HCIE-Datacom V1.0 certification exam can expect better job opportunities, higher salaries, and increased responsibilities in their work.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q136-Q141):

NEW QUESTION # 136
Huawei Open Programmability System (OPS) uses standard HTTP methods to access managed objects and manage network devices.
Which of the following HTTP methods is used to configure the value of a network device's managed object?

  • A. GET
  • B. PUT
  • C. POST
  • D. PATCH

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
# Huawei OPS (Open Programmability System) follows RESTful API principles, using HTTP methods for device management.
# HTTP Methods Used in OPS:# GET # Retrieves data from the device.# POST # Creates new data
/configurations.# PUT # Replaces entire configuration objects.# PATCH # Updates specific fields of a configuration object. # (Correct Answer) Since PATCH is used for modifying specific values in managed objects, the correct answer is D.
# Reference: Huawei HCIE Datacom - RESTful API Operations in Huawei OPS


NEW QUESTION # 137
IS-IS supports multi-instance and multi-process. Which of the following statements are correct about IS-IS multi-instance and multi-process?

  • A. If multiple IS-IS processes are created on an IS-IS router, these processes are independent of each other.
  • B. One IS-IS process can be associated with only one VPN instance.
  • C. One VPN instance can be associated with multiple different IS-IS processes.
  • D. One IS-IS process can be associated with multiple different VPN instances.

Answer: A,C

Explanation:
IS-IS Multi-Process:
Huawei devices support runningmultiple IS-IS processes simultaneously.
These processes arecompletely independentof one another: different LSDBs, interfaces, routing tables, etc.
Each process can be associated with aseparate VPN instance, and asingle VPN instance can be served by multiple IS-IS processes.
IS-IS Multi-Instance:
One IS-IS process canrun multiple instances, typically used formulti-VPN scenarios.
However, Huawei's current implementation prefersone VPN per processfor clarity and control.
Based on Huawei's design:
Ais incorrect - an IS-IS processcanserve multiple VPNs in other vendors, but Huawei typically uses one process per VPN for clean separation.
Bis correct - a VPN instance can be associated withmultiple IS-IS processes.
Cis incorrect in Huawei implementation context.
Dis correct -IS-IS processes are independent.
Correct answers: B, D


NEW QUESTION # 138
The following figure shows the inter-AS MPLS L3VPN Option C (Solution 2). ASBR-PE2 is connected to CE3 and runs eBGP.

To enable all CEs to communicate with each other, which of the following address families must peer relationships be enabled in the BGP process of ASBR-PE2?

  • A. VPN instance unicast address family
  • B. Unicast BGP address family
  • C. BGP-LS address family
  • D. VPNv4 address family

Answer: B,D

Explanation:
Understanding Inter-AS MPLS L3VPN Option C
# MPLS L3VPN provides Layer 3 VPN services over an MPLS backbone by using BGP to exchange VPN routes.# Inter-AS MPLS L3VPN Option C (copyright-to-copyright Model) works as follows:
* ASBRs (Autonomous System Boundary Routers) exchange VPNv4 routes using MP-BGP.
* ASBRs do NOT store VPN routing tables. Instead, they advertise labeled IPv4 routes to enable inter-AS forwarding.
How ASBR-PE2 Enables Inter-AS Communication?
# VPNv4 Address Family (Answer A - Required)
* Used to exchange MPLS VPN routes between PE routers.
* MP-BGP (Multiprotocol BGP) exchanges VPNv4 prefixes between ASBR-PE1 and ASBR-PE2.
# Unicast BGP Address Family (Answer D - Required)
* Required to exchange IPv4 labeled routes between ASBRs.
* Ensures MPLS label forwarding between AS100 and AS200.
# BGP-LS Address Family (Answer B - Not Required)
* BGP-LS (BGP Link-State) is used for SDN controllers to learn topology information.
* It is not required for Inter-AS MPLS L3VPN.
# VPN Instance Unicast Address Family (Answer C - Not Required)
* This is used for PE-CE communication but is not required between ASBRs.
Why is the Answer A, D?
# VPNv4 routes enable inter-AS VPN communication.# IPv4 unicast routes are required for ASBR-PE2 to forward packets across AS boundaries.
Real-World Application:
* Service Provider Networks: Used in copyright-to-copyright MPLS VPN deployments.
* Enterprise WAN Interconnection: Enables multi-AS MPLS VPN connectivity for large enterprises.
# Reference: Huawei HCIE-Datacom Guide - Inter-AS MPLS L3VPN Option C (copyright-to-copyright Model)


NEW QUESTION # 139
Huawei Open Programmability System (OPS) uses HTTP methods to access managed objects to manage network devices. To facilitate script compilation, Huawei OPS provides the Python script template. In the Python script template, what are the contents of the Content-type and Accept fields in the header of an HTTP request packet?

  • A. text/json, text/json
  • B. text/xml, text/xml
  • C. text/xml, text/json
  • D. text/json, text/xml

Answer: A

Explanation:
Huawei Open Programmability System (OPS) and HTTP Request Headers
Huawei OPS allows network automation and programmability through HTTP-based APIs. When using Python scripts to send HTTP requests to network devices, the request headers must specify the content format for data exchange.
# B. Content-Type: text/json, Accept: text/json (Correct Answer)
* Content-Type: text/json # Specifies that the request body contains JSON-formatted data.
* Accept: text/json # Specifies that the response should be in JSON format.


NEW QUESTION # 140
A router receives a BGP route with the community attribute NO-Export , how will the router handle the BGP route?

  • A. No more advertising to other BGP routers.
  • B. Advertise only to IBGP neighbors.
  • C. Drop the route directly.
  • D. The route is advertised normally, but the route is not used to forward data.

Answer: B


NEW QUESTION # 141
......

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