H12-891_V1.0 exam guide: HCIE-Datacom V1.0 & H12-891_V1.0 actual test & H12-891_V1.0 pass-for-sure

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Huawei H12-891_V1.0 Exam Syllabus Topics:

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

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Huawei HCIE-Datacom V1.0 Sample Questions (Q173-Q178):

NEW QUESTION # 173
During the implementation of iMaster NCE-Campus Wi-Fi location-based services (LBS), terminal location data is sent to an LBS platform through HTTP requests. Which of the following data formats is used in such HTTP requests?

A. YAML
B. HTML
C. XML
D. JSON

Answer: D

Explanation:
Huawei iMaster NCE-CampusWi-Fi Location-Based Services (LBS)useHTTP/HTTPSto send location data (such as AP association, signal strength, timestamp, etc.) to an externalLBS platform.
Thestandard format for such data exchange is JSON (JavaScript Object Notation).
JSON is lightweight, readable, and widely supported by modern web APIs and platforms.
Other options:
XML: Used in legacy systems, heavier format.
HTML: Used for page rendering, not data transfer.
YAML: Used mainly in configurations, not standard for HTTP APIs.
Correct answer: C. JSON
Reference:Huawei HCIE-Datacom V1.0 Study Guide -Chapter: Wireless Location ServicesSection: LBS Data Upload Formats

NEW QUESTION # 174
As shown in the following topology, EBGP is running between AS100, AS200, AS300, AS400, and the neighbor relationship is established S400 When you receive a BGP route from ASI00 for a 1.1.1.1/32 network segment, is the path order recorded in the ASPath properties correct?

A. 300, 200,100
B. 100, 200,300, 400
C. 400,300,200,100
D. 10,200,3

Answer: A

NEW QUESTION # 175
The value of OSPF and BFD linkage is ? Radio

A. BFD packet transmission interval can reach the 100-second level, which is slower than the OSPF induction link state
B. Any change in BFD status is realized by detecting the BFD at the millisecond level, which correlates the OSPF state and realizes the purpose of OSPF rapid sensing link state
C. OSPF's hello send interval is seconds, which is faster than BFD inductive link state
D. Does not affect OSPF neighbor status

Answer: B

NEW QUESTION # 176
A network administrator runs the display telemetry destination command on a device to check information about a destination group that sampled data is sent to. The command output is as follows. Which of the following statements is incorrect?
[~CE-telemetry-sensor-group-Sensor1]display telemetry destination
Dest-name Dest-addr Dest-port State Vpn-name Protocol
Dest1 192.168.56.1 20000 RESOLVED - GRPC

A. The destination group name is Dest1.
B. The gRPC protocol is used for data push.
C. The IP address of the destination group is 192.168.56.1
D. VPN encapsulation is used for data push.

Answer: D

Explanation:
Understanding the Telemetry Output:
Dest-addr: 192.168.56.1#The destination IP address is 192.168.56.1.#
Dest-name: Dest1#The destination group name is Dest1.#
Protocol: gRPC#Data push uses the gRPC protocol.#
Vpn-name: - (empty)#No VPN encapsulation is used.#
Incorrect Answer Explanation:
#C. "VPN encapsulation is used for data push"#Incorrect!
The Vpn-name field isempty, indicating thatVPN encapsulation is NOT enabled for telemetry data transport.
Reference from Huawei HCIE-Datacom Documentation:
Huawei Telemetry Configuration Guide - Destination and Data Push Methods HCIE-Datacom Study Material - gRPC and Telemetry Data Streaming

NEW QUESTION # 177
Regarding the description of the BGP neighbor, the error is:

A. BGP routers that support autodiscovery neighbors
B. BGP needs to establish a UDP connection before establishing a neighbor
C. BGP to establish a neighbor relationship needs to first interact with the link state information
D. BGP establishing neighbors must be configured with MD5 authentication

Answer: A,B,C,D

NEW QUESTION # 178
......

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