New H12-891_V1.0 Test Vce, H12-891_V1.0 Latest Exam Question

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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Weight	Objectives
Bearer WAN Planning and Deployment	15%	- High-level Technology Deployment 1. Network slicing and service bearing 2. SRv6 principles and deployment - Bearer Network Architecture 1. Typical bearer network structure and requirements 2. CloudWAN solution and application scenarios
Advanced Routing and Switching Technologies	37%	- Advanced Switching Technologies 1. Ethernet protection and reliability technologies 2. VXLAN and EVPN principles and application 3. Multicast routing and deployment - Advanced Routing Protocols 1. OSPF advanced features and optimization 2. BGP route control, policy and deployment 3. IS-IS protocol principles and deployment - Network Quality and Optimization 1. QoS mechanism and deployment 2. Traffic engineering and MPLS technology
Network Automation Technologies and Practice	17%	- Automation Foundation 1. Network programming basis and protocols 2. YANG model and data modeling - Huawei Automation Solutions 1. Configuration automation and deployment 2. eSight and iMaster NCE tools 3. API-based network operation and maintenance
Campus Network Planning and Deployment	23%	- Campus Network Architecture Design 1. Typical campus network structure and design principles 2. CloudCampus solution architecture and features - Campus Network Service Deployment 1. WLAN planning and deployment 2. Campus network management and operation 3. User access management and security
WAN Interconnection Network Planning and Deployment	8%	- WAN Interconnection Technologies 1. SD-WAN architecture and Huawei solution 2. Traditional WAN connection technologies - WAN Service Optimization 1. WAN link reliability and load balancing 2. WAN security and isolation design

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H12-891_V1.0 Latest Exam Question & H12-891_V1.0 Cert Exam

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Huawei HCIE-Datacom V1.0 Sample Questions (Q248-Q253):

NEW QUESTION # 248
In cross-domain VPN-OptionB packet forwarding, two ASBRs exchange the same LSP tags once.

A. False
B. True

Answer: A

NEW QUESTION # 249
BGP EVPN does MAC address advertisement, ARP message advertisement, and IRB route advertisement for which BGP EVPN route is advertised?

A. Type3
B. Type2
C. Type1
D. Type4

Answer: B

NEW QUESTION # 250
There are routers as follows, according to which the compromise conclusion is wrong?

A. R3 must be the DIS of some Level-1 link
B. The system ID of the R3 router is 000300000000
C. R3 must be the DIS of some Level-2 link
D. The R3 router is a Level-1-2 router

Answer: A

NEW QUESTION # 251
To obtain the token ID of iMaster NCE, you need to send an HTTP request using the following Python code to invoke an iMaster NCE RESTful API:

Which of the following statements is incorrect?

A. The request body is in JSON format.
B. Token resources are located at https://139.9.213.72:18002/controller/v2/tokens.
C. The HTTP request uses the GET method to query the token value.
D. You can run print(r.json()) to display the response message sent from the server.

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
# Breakdown of the Python Code:# (A) Correct # The function r.json() can be used to display the server response (token details).# (B) Correct # The token request URL is correct.# (D) Correct # The request body is in JSON format (json={"userName": nbi_name, "password": nbi_pwd"}).
# (C) Incorrect # The request uses POST, not GET (requests.post() is explicitly called).
# Reference: Huawei HCIE Datacom - iMaster NCE RESTful API Authentication

NEW QUESTION # 252
SR-MPLS is enabled on all routers. The label information encapsulated byR1into a data packet is shown in the figure.
Which of the following is the forwarding path of the data packet?

A. R1-R2-R4-R6
B. R1-R3-R2-R4-R6
C. R1-R2-R3-R5-R6

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding SR-MPLS (Segment Routing with MPLS):
Segment Routing (SR)leverages MPLS labels to define paths through the network.
The labels representsegments(nodes or specific paths) rather than traditional LDP or RSVP-TE labels.
Thelabel stackdetermines the forwarding path through the network.
Top Label:Determines thenext hop.
Next Label:After label pop, it indicates thesubsequent hop.
2. Analyzing the Given Label Stack:
The label stack encapsulated byR1is as follows:
Layer2:2046
2013
2032
2024
2046
Layer3
Thetop label (2046)indicates that thenext-hop routerisR4.
AfterR4pops the top label, thenext label (2046)directs the packet toR6.
3. Forwarding Path Analysis:
Step 1:R1sends the packet toR2based on internal routing.
Step 2:R2forwards the packet directly toR4as dictated by the top label (2046).
Step 3:R4pops the top label (2046) and checks the next label (again2046), directing the packet toR6.
Step 4:R6receives the packet as the final destination.
4. Why Option B is Correct:
The pathR1-R2-R4-R6matches thelabel stack processingin SR-MPLS.
Thelabels indicate the shortest pathchosen by SR policies, which isR1 # R2 # R4 # R6.
TheSR-MPLS label stackefficiently guides the packet through the optimal path without complex signaling.
Why Other Options Are Incorrect:
Option A (R1-R2-R3-R5-R6):
This path does not match thelabel sequenceas the labels clearly indicate adirect path via R4, not throughR3 and R5.
Option C (R1-R3-R2-R4-R6):
This path is longer and unnecessary, as thelabel stackindicates a moredirect path via R2 and R4.
References:
Huawei HCIE-Datacom V1.0 Training Materials
Huawei Official Documentation: SR-MPLS Configuration Guide
RFC 8660 - Segment Routing with MPLS Data Plane
HCIE-Datacom Knowledge Base: Segment Routing and MPLS

NEW QUESTION # 253
......

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