EXAM CRAM HUAWEI H12-891_V1.0 PDF, H12-891_V1.0 STUDY REFERENCE

Exam Cram Huawei H12-891_V1.0 Pdf, H12-891_V1.0 Study Reference

Exam Cram Huawei H12-891_V1.0 Pdf, H12-891_V1.0 Study Reference

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is designed to test the knowledge and skills of IT professionals in the field of data communication. HCIE-Datacom V1.0 certification validates the ability of candidates to design, implement, and troubleshoot complex data communication networks using Huawei technologies. H12-891_V1.0 exam covers topics such as network architecture, routing and switching protocols, network security, network optimization, and network management. Passing H12-891_V1.0 Exam demonstrates that the candidate has a deep understanding of data communication technologies and is capable of designing and implementing data communication networks that meet the needs of modern businesses.

Huawei HCIE-Datacom V1.0 Sample Questions (Q25-Q30):

NEW QUESTION # 25
Drag the authentication modes on the left into their applicable scenarios on the right.

Answer:

Explanation:

Explanation:
A screenshot of a computer AI-generated content may be incorrect.

Comprehensive and Detailed In-Depth Explanation:
1. Portal Authentication:
Scenario:Guests who move frequently and use different types of terminals.
Portal authentication (also known as Web authentication) is commonly used in environments like Wi-Fi hotspots, hotels, and public areas.
Users are redirected to a login page where they enter credentials.
This method is flexible for guests and visitors who may frequently change locations or devices.
Use Case:Wi-Fi access for guests in a corporate environment.
2. MAC Address Authentication:
Scenario:Dumb terminals such as printers and fax machines.
MAC address authentication is useful for devices that do not support interactive authentication methods (like printers or IP phones).
It authenticates devices based on theirMAC addresswithout user intervention.
This method is suitable for static, non-user devices that are typically part of the local network.
Use Case:Ensuring that only authorized printers or IP phones connect to the network.
3. 802.1X Authentication:
Scenario:Office users in scenarios demanding high security.
802.1X is aport-based network access control protocolthat authenticates users before allowing network access.
Typically used in wired or wireless LAN environments where high security is required.
It usesEAP (Extensible Authentication Protocol)methods and integrates with RADIUS servers.
Use Case:Corporate LAN environments with stringent security policies.


NEW QUESTION # 26
Which of the following statements regarding OSPF neighbor relationship faults is incorrect?

  • A. The Init state indicates that the router has received Hello packets from its neighbors, but the received Hello packets do not contain the OSPF RID of the receiving router.
  • B. The Attempt state indicates that the router does not send unicast Hello packets to configured neighbors.
  • C. For non-DR and non-BDR routers on an Ethernet link, the 2-Way state is acceptable.
  • D. The ExStart state indicates that two neighbor routers have inconsistent MTUs or the same OSPF Router ID (RID).

Answer: B

Explanation:
Understanding OSPF Neighbor States
OSPF (Open Shortest Path First) establishes neighbor relationships through several states:
1##Down:No Hello packets received.
2##Init:Routerreceives Hello packetsbutits own Router ID is missingin the received packets.
3##2-Way:Routerssee each other in Hello packets. (Stable state for non-DR/non-BDR routers).
4##ExStart:Routersstart exchanging LSAsbut may faceMTU mismatches.
5##Exchange:Routers sendDatabase Description (DBD) packetsto synchronize link-state databases.
6##Loading:Routers exchangeLink-State Requests (LSRs) & Updates (LSUs)to fully sync.
7##Full:Routers are fully synchronized.
Analysis of the Answer Choices
#A. For non-DR and non-BDR routers on an Ethernet link, the 2-Way state is acceptable.
Correct:Non-DR/Non-BDR routers remain in2-Way statesince they don't need to form full adjacency.
#B. The Init state indicates that the router has received Hello packets from its neighbors, but the received Hello packets do not contain the OSPF RID of the receiving router.
Correct:If an OSPF router receives a Hello butdoes not see its own Router ID, it stays in theInit state.
#C. The ExStart state indicates that two neighbor routers have inconsistent MTUs or the same OSPF Router ID (RID).
Correct:If MTUs mismatch or RIDs conflict, theDBD exchange fails, causing routers to remain inExStart state.
#D. The Attempt state indicates that the router does not send unicast Hello packets to configured neighbors.
Incorrect:
InAttempt state, routerssend unicast Hello packetsto manually configured neighbors (common inNBMA networks).
If no Hello responses are received, they remain inAttempt state, but theyDO send Hellos.
Real-World Application
OSPF Troubleshooting:Identifying routers stuck inInit or ExStart statescan point toMTU mismatches or neighbor misconfigurations.
NBMA Networks (Frame Relay, DMVPN):Manually configured neighbors may stay inAttempt state if Hello packets are lost.
#Reference:Huawei HCIE-Datacom Study Guide - OSPF Neighbor States & Troubleshooting


NEW QUESTION # 27
WRED is configured on the newly deployed router HW The following description of the WRED feature is correct as ?( Multiple select).

  • A. WRED can set different drop thresholds and packet loss rates for packets of different priority
  • B. When traffic exceeds the minimum threshold, WRED starts dropping all ingress traffic (tail drops).
  • C. Avoid global synchronization by selectively dropping multiple TCP streams Low-bandwidth traffic is easier to drop than high-bandwidth traffic

Answer: A,C


NEW QUESTION # 28
If the Interface Sticky MAC function is enabled, what is the number of MAC addresses that the interface learns by default?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: B


NEW QUESTION # 29
Port isolation technology deployed in Ethernet can realize Layer 2 interoperability and Layer 3 isolation, making networking more flexible.

  • A. TRUE
  • B. FALSE

Answer: B


NEW QUESTION # 30
......

The HCIE-Datacom V1.0 certification has become very popular to survive in today's difficult job market in the technology industry. Every year, hundreds of Huawei aspirants attempt the H12-891_V1.0 exam since passing it results in well-paying jobs, salary hikes, skills validation, and promotions. Lack of Real H12-891_V1.0 Exam Questions is their main obstacle during H12-891_V1.0 certification test preparation.

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