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The H12-891_V1.0 Exam covers a wide range of topics, including network design, routing protocols, network security, network management, and more. H12-891_V1.0 exam consists of both theoretical and practical components, requiring candidates to demonstrate their understanding of key concepts and their ability to apply them in real-world scenarios. Successful candidates receive the HCIE-Datacom V1.0 certification, which is recognized worldwide as a mark of excellence in the field of data communication.
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NEW QUESTION # 201
The path of an SR-MPLS TE tunnel can be calculated by the controller or tunnel ingress.
Answer: B
Explanation:
Understanding SR-MPLS TE (Segment Routing MPLS Traffic Engineering)
πΉ What is SR-MPLS TE?
Segment Routing (SR) replaces traditional MPLS LDP/RSVP-TE signaling.
Uses SR-TE policies to define network paths without requiring per-flow state on intermediate routers.
πΉ How is the SR-MPLS TE Path Calculated?
β
By the SDN Controller (Centralized Path Computation)
The controller (e.g., Huawei iMaster NCE) calculates the optimal SR path based on:
Bandwidth requirements
Latency constraints
Traffic policies
The controller then delivers the SR policy to the ingress router.
β
By the Ingress Router (Distributed Path Computation)
The ingress router computes the SR path dynamically based on local constraints.
This method is useful when no centralized controller is available.
Why is the Answer TRUE?
β
Both centralized (controller-based) and distributed (ingress router-based) path computation are supported in SR-MPLS TE.
Real-World Application:
5G and Cloud WANs: Centralized path optimization reduces congestion dynamically.
Enterprise Networks: Local path computation ensures fast rerouting in case of failures.
β
Reference: Huawei HCIE-Datacom Guide - SR-MPLS TE and Path Computation Methods
NEW QUESTION # 202
A network administrator needs to retrieve atoken IDfromiMaster NCEusing the following Python code:
import requests
nbi_name = "demol3@north.com"
nbi_pwd = "qqcOVcVel@"
host = "139.9.213.72"
port = "18002"
URI = "/controller/v2/tokens"
post_token_url = "https://" + host + ":" + port + URI
headers_post = {'Content-Type': 'application/json', 'Accept': 'application/json'} r = requests.post(post_token_url, headers=headers_post, json={"userName": nbi_name, "password":
nbi_pwd}, verify=incorrect)
Which of the following statements is incorrect?
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
#Analyzing the Python Code:
#(A) Correct# print(r.json()) prints the response JSON, showing thetoken ID.
#(B) Correct# The token request URL is correctly specified.
#(D) Correct# json={"userName": nbi_name, "password": nbi_pwd} confirms the requestbody is in JSON format.
#(C) Incorrect:
The requestuses POST, not GET (requests.post() is explicitly called).
#Reference:Huawei HCIE Datacom - RESTful API Authentication in iMaster NCE
NEW QUESTION # 203
MPLS is called multiprotocol label switching, and with respect to label descriptions in MPLS, the correct one is ?( Multiple select).
Answer: B,C,D
NEW QUESTION # 204
Node segments in SR-MPLS must be manually configured.
Answer: A
Explanation:
Node segments in SR-MPLS (Segment Routing over MPLS) are typically automatically generated and distributed via IGP protocols (such as IS-IS or OSPF) using SR extensions. There is no need to manually configure node segments on every router.
Exact Extract - Huawei HCIE-Datacom Study Guide - Segment Routing:
"Node SIDs are automatically generated and advertised by IGPs with SR extensions. Manual configuration is not required except in special cases like adjacency SIDs." Reference:
Huawei SR-MPLS Configuration Guide
HCIE-Datacom v1.0 - Segment Routing (SR-MPLS) Module
NEW QUESTION # 205
What messages does an NMS (Network Management Station) running SNMPv1 send to the agent?
Answer: C
NEW QUESTION # 206
......
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