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New Huawei H12-891_V1.0 Test Braindumps, Real H12-891_V1.0 Dumps

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Huawei H12-891_V1.0 certification exam is designed for professionals who are seeking to advance their careers in the field of data communication and networking. HCIE-Datacom V1.0 certification is recognized worldwide and is highly valued by employers, making it an ideal choice for those who are looking to enhance their career prospects.

Huawei H12-891_V1.0 (HCIE-Datacom V1.0) exam is a certification program that is designed for network engineers and professionals who want to validate their knowledge and skills in the field of data communication. H12-891_V1.0 Exam is offered by Huawei Technologies Co. Ltd, a leading global provider of information and communication technology solutions. HCIE-Datacom V1.0 certification program is intended to help candidates gain a better understanding of the latest technologies and trends in data communication, and to be able to apply this knowledge to their work.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q93-Q98):

NEW QUESTION # 93
Complete the basic processing procedure for DiffServ model-based QoS shown in the figure

Answer:

Explanation:

Explanation:
The Differentiated Services (DiffServ) model for Quality of Service (QoS) enables traffic management based on predefined priorities. This involves classifying, policing, queuing, and scheduling traffic to ensure efficient network resource utilization.
Breakdown of Each QoS Processing Step:
# Step 1: Traffic Classification and Marking
* Purpose: Identifies and marks packets based on QoS attributes such as DSCP (Differentiated Services Code Point) or 802.1p priority bits.
* Function: Assigns a QoS label to packets for further processing.
* Example: Packets carrying voice traffic (EF - Expedited Forwarding) are marked for high-priority treatment.
# Step 2: Traffic Policing (CAR - Committed Access Rate)
* Purpose: Enforces bandwidth limits on specific traffic flows to prevent excessive usage.
* Function: Drops or re-marks packets exceeding the assigned bandwidth threshold.
* Example: If a video stream exceeds 10 Mbps, excess packets may be dropped or re-marked.
# Step 3: Congestion Management (Queuing and Scheduling)
* Purpose: Manages traffic flow through queues based on assigned QoS levels.
* Function: Places packets in appropriate priority queues (e.g., Strict Priority, Weighted Fair Queuing - WFQ, CBWFQ).
* Example: Voice packets are assigned to high-priority queues for low-latency forwarding.
# Step 4: Congestion Avoidance
* Purpose: Prevents network buffer overflows and excessive packet drops.
* Function: Uses mechanisms like WRED (Weighted Random Early Detection) to drop lower-priority packets before congestion occurs.
* Example: If a queue reaches 80% capacity, WRED may drop low-priority packets to maintain QoS.
# Step 5: Traffic Shaping
* Purpose: Smooths out traffic bursts to maintain a consistent transmission rate.
* Function: Buffers and delays packets to prevent excessive packet drops.
* Example: If outgoing traffic exceeds 50 Mbps, shaping ensures it does not exceed this limit while maintaining steady flow.

NEW QUESTION # 94
Is the following description of the BSR/RP mechanism correct?

A. BSR advertises BSR and C-RP information to all routers in the PIM-SM domain by flooding Bootstrap packets
B. A C-BSR can also collect C-RP information by receiving C-RP packets
C. PIM-SM domain can have more than one C-BSR, but only one BSR can be elected by the C-BSR that receives the C-RP Packets are collected C-one RP information

Answer: A,B,C

NEW QUESTION # 95
Portal authentication is recommended for scenarios with high mobility and numerous terminal types, such as shopping malls and supermarkets. MAC address authentication is recommended for dumb terminals that do not support Portal authentication, such as printers, fax machines, and IP phones.

A. TRUE
B. FALSE

Answer: A

Explanation:
Portal Authentication vs. MAC Authentication
#Portal Authentication
Used inhigh-mobility environments(e.g., shopping malls, hotels, and public Wi-Fi hotspots).
Usersauthenticate via a web portalbefore gaining network access.
Supports multiple device types (smartphones, laptops, tablets, etc.).
#MAC Address Authentication
Used fordumb devicesthatcannot perform interactive authentication(e.g., printers, IP phones, cameras).
The network authenticates devices based on their MAC addresses automatically.
Often used inenterprise LANsto ensureunattended devices get network access securely.
Reference from Huawei HCIE-Datacom Documentation:
Huawei CloudCampus Authentication Guide - Portal and MAC Authentication HCIE-Datacom Training Material - Access Control Mechanisms

NEW QUESTION # 96
After the reset isis all command is run, the specified IS-IS process is reset, and all involved IS-IS neighbor relationships are re-established; however, IS-IS statistics are not cleared.

A. FALSE
B. TRUE

Answer: A

Explanation:
Comprehensive and Detailed Explanation:
Thereset isis allcommand resets theentire IS-IS process, including:
#Neighbor adjacencies
#LSDB (Link-State Database)
#All IS-IS-related statistics
Key Points:
This commandresets IS-IS completely, causingtemporary route convergence delays.
All IS-IS statistics are clearedbecause the process restarts from scratch.
Since the question states thatIS-IS statistics are not cleared, which is incorrect, the correct answer isFALSE.
#Reference:Huawei HCIE Datacom - IS-IS Troubleshooting and Reset Commands

NEW QUESTION # 97
When two devices with the same priority compete for the master role at the same time, the device on which the interface with the smaller IP address resides should be selected as the master device

A. True
B. False

Answer: B

NEW QUESTION # 98
......

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