HUAWEI - H12-891_V1.0 - HCIE-DATACOM V1.0–UPDATED TOP EXAM DUMPS

Huawei - H12-891_V1.0 - HCIE-Datacom V1.0–Updated Top Exam Dumps

Huawei - H12-891_V1.0 - HCIE-Datacom V1.0–Updated Top Exam Dumps

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Huawei H12-891_V1.0 certification exam covers a wide range of topics, including network architecture, network protocols, network security, network management, and network optimization. H12-891_V1.0 exam is designed to evaluate the candidate's ability to design and implement data communication networks that meet the requirements of different organizations. H12-891_V1.0 Exam also tests the candidate's ability to troubleshoot complex network issues and provide effective solutions.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q231-Q236):

NEW QUESTION # 231
Which of the following factors does not need to be considered during the selection of core devices for the enterprise bearer WAN?

  • A. Physical location
  • B. Device naming conventions
  • C. Node quantity
  • D. Service volume

Answer: B

Explanation:
When selectingcore devicesfor aWANin enterprise networks, considerations typically include:
Service volume: Ensures the core device can handle expected traffic.
Physical location: Important for latency, redundancy, and network design.
Node quantity: Affects topology, scalability, and routing complexity.
Device naming conventions, however, are purely administrative anddo not affectthe functional selection of core devices.
Correct answer: A. Device naming conventions


NEW QUESTION # 232
What are the problems with manually creating static VXLAN tunnels in campus networks? Multi-select

  • A. Static VLAN tunnel also uses related protocols on the control plane, which will cause equipment resource loss
  • B. Although the static VXLAN tunnel mode can support distributed gateway application scenarios, the configuration workload is large and the configuration adjustment is complex
  • C. VTEP can only learn remote MAC addresses in a way that relies on data flooding
  • D. N devices to establish static VXLAN tunnels, you need to manually configure up to N(N-1)/2 tunnels, the amount of configuration is large

Answer: B,C,D


NEW QUESTION # 233
Which of the following technologies can be used to measure performance based on actual service traffic in Huawei's CloudWAN solution?

  • A. iFIT
  • B. Telemetry
  • C. BGP FlowSpec
  • D. TWAMP

Answer: A

Explanation:
Understanding Performance Measurement in Huawei CloudWAN
Huawei CloudWANenables intelligent traffic management,real-time network monitoring, and automated operations.
#Traditional Performance Monitoring Methods
TWAMP (Two-Way Active Measurement Protocol)# Measureslatency and jitterby injecting test traffic.
Telemetry# Providesreal-time network visibility, butdoes not measure actual service traffic performance.
BGP FlowSpec# Used forDDoS mitigation, not performance measurement.
#iFIT (In-situ Flow Information Telemetry)
#iFIT is a next-generation performance monitoring technologythat measures:
Real service traffic performance (latency, jitter, packet loss) in real time.
Packet forwarding behavior at each hop without injecting synthetic traffic.
Path delay and service degradation detection.
Why is Answer D Correct?
#iFIT provides real-time network performance monitoring based on actual service traffic.
#Unlike TWAMP, iFIT does not require probe packets, reducing overhead.
Real-World Application:
5G Transport Networks:Ensureslow-latency paths for ultra-reliable services.
CloudWAN Optimization:Detects network congestionwithout affecting user traffic.
#Reference:Huawei HCIE-Datacom Guide - iFIT and Intelligent Performance Monitoring


NEW QUESTION # 234
Which of the following statements about 802.1X authentication are correct?

  • A. In EAP relay mode, EAP packets are directly encapsulated by the network access device into RADIUS packets (that is, EAP over RADIUS, or EAPoR). The network access device and AAA server use EAPoR to perform authentication, authorization, and accounting.
  • B. EAPoL implements EAP encapsulation on an IEEE 802.3 network, whereas EAPoW implements EAP encapsulation on an IEEE 802.11 network.
  • C. 802.1X authentication uses EAPoL to exchange authentication information between the client, device, and authentication server.
  • D. In EAP termination mode, EAP packets are terminated and re-encapsulated into RADIUS packets on the network access device. The network access device and AAA server use the standard RADIUS protocol to implement authentication, authorization, and accounting.

Answer: A,B,C,D

Explanation:
802.1X Authentication Overview
802.1X is a port-based authentication mechanism used for secure network access control. It involves:
* EAPoL (Extensible Authentication Protocol over LAN) communication between the client (supplicant) and the switch (authenticator).
* RADIUS communication between the authenticator and the authentication server (AAA server).
# A. 802.1X authentication uses EAPoL to exchange authentication information.
* EAPoL (Extensible Authentication Protocol over LAN) is used to send authentication packets over Ethernet (IEEE 802.3) networks.
# B. In EAP termination mode, the network device terminates EAP packets and re-encapsulates them into RADIUS.
* The switch acts as an authentication proxy by terminating EAP sessions and converting authentication information into RADIUS format.
# C. EAPoL is for wired (802.3), EAPoW is for wireless (802.11).
* EAPoL (EAP over LAN) is used in wired Ethernet networks.
* EAPoW (EAP over Wireless) is used in Wi-Fi (802.11) networks.
# D. In EAP relay mode, EAP packets are encapsulated into RADIUS using EAPoR (EAP over RADIUS).
* The switch does not terminate the EAP session but instead forwards EAP messages to the AAA server inside RADIUS packets.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei 802.1X Configuration Guide - EAPoL, EAPoW, and EAPoR
* HCIE-Datacom Training Material - AAA Authentication Modes


NEW QUESTION # 235
A company's two-layer phase network architecture as shown in the figure, when the engineer is configured to find that the business between departments can not communicate, through the command to view the status of the equipment as follows, please determine the possible causes?

  • A. The BPDU interval between switches is not configured
  • B. The Transition VLAN mapping between the handover machines is not configured to be caused
  • C. The Revislon Level configuration is inconsistent between switches
  • D. Inconsistent Registry Name configuration between text exchange machines

Answer: B,C,D


NEW QUESTION # 236
......

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