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Huawei H12-891_V1.0 Reliable Cram Materials & H12-891_V1.0 Best Preparation Materials

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a rigorous exam that requires extensive preparation and study. Candidates are recommended to have a strong understanding of data communication technologies, as well as hands-on experience working with complex network environments.

Huawei H12-891_V1.0 exam is a comprehensive test that covers a wide range of topics related to data communication networks. This includes network design and implementation, network troubleshooting and optimization, and network security. H12-891_V1.0 Exam is designed to assess the candidate's ability to design and deploy complex data communication networks, as well as their ability to troubleshoot and optimize existing networks.

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H12-891_V1.0 Best Preparation Materials, H12-891_V1.0 Free Study Material

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Huawei HCIE-Datacom V1.0 Sample Questions (Q111-Q116):

NEW QUESTION # 111
Regarding the cross-domain VPN-OptionB scenario, what is the following description incorrect?

A. The outer layer label is exchanged between two ASBRs to VPNv4 routes.
B. In the process of packet forwarding, the private network LSP of the VPN should be exchanged once on the two ASBRs An EBGP neighbor relationship.
C. Cross-domain VPN An Option
D. scheme is not limited by the number of interconnection links between ASBRs

Answer: A

NEW QUESTION # 112
Drag the OSPFv3 LSAs to map them to their corresponding transmission ranges.

Answer:

Explanation:

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

InOSPFv3, each LSA type has adefined flooding scope:
Link-LSA (Type 8)
Advertisedonly on the local link
Contains router's link-local address and prefixes
Scope:Within the local link scope#
AS-External-LSA (Type 5)
Used to advertiseexternal routes from outside the AS
Flooded across theentire autonomous system, except stub/NSSA areas
Scope:Within an AS#
Network-LSA (Type 2)
Generated by theDesignated Router (DR)
Describes all routers on a broadcast or NBMA segment
Floodedwithin the originating area
Scope:Within an area#
Correct Mappings:
Link LSA#Within the local link scope
AS-External-LSA#Within an AS
Network-LSA#Within an area

NEW QUESTION # 113
Regarding the certification of the ISIS protocol, there is a correct statement

A. After configuring zone authentication, the router issues an IIH, SNP, LSP-strap-to-tape authentication TLV
B. After configuring the connection authentication, the IIH issued by the router must carry the authentication TLV
C. The two routers are configured for area authentication and interface authentication, and the passwords are the same, so the two can establish an isocopied relationship
D. Connection authentication can realize the authentication of the hello messages of Leve-1 and Leve-2

Answer: B,D

NEW QUESTION # 114
In the following topology diagram, R1 can access the Internet through R2 and R3, R1 and R2, R1 and R1 An EGP connection is established between R3 , and R2R3 belongs to the same AS, each via BGP Publishing a default route that requires R1 to visit lnternet's traffic preference R2, can the following practices be achieved?

A. R2 specifies that the peer R1 sets the local priority to 150 in the export direction
B. R1 specifies that the peer R3 sets the MED property to 150 in the import direction
C. R2 specifies that the peer R1 sets the MED property to 150 in the export direction
D. R1 specifies that the peer R2 beats the local priority in the import direction to 150

Answer: B,D

NEW QUESTION # 115
On the network shown in the figure, OSPF-based SR-MPLS TE is enabled on all routers. Which of the following adjacency labels are allocated by P3?

A. 0
B. 1
C. 2
D. 3

Answer: A,C

Explanation:
In OSPF-based SR-MPLS TE, Adjacency Segment Identifiers (Adj-SIDs) are locally assigned by each router for its directly connected interfaces. These labels are allocated from the Segment Routing Local Block (SRLB) configured on the router. By default, Huawei routers use an SRLB range starting at 9000, and Adj-SIDs are assigned sequentially (e.g., 9000, 9001, 9002, etc.) to each adjacency.
For P3, adjacency labels correspond to its outgoing interfaces. Assuming P3 has two adjacencies (e.g., to P2 and P4, as inferred from typical network topologies), it will allocate two unique Adj-SIDs from its SRLB. Based on Huawei's implementation:
* The first adjacency (e.g., to P2) is assigned the next available label in the SRLB (e.g., 9002).
* The second adjacency (e.g., to P4) is assigned the subsequent label (e.g., 9003).
Analysis of Options:
* Option B (9002): Likely assigned to P3's first adjacency (e.g., link to P2).
* Option C (9003): Likely assigned to P3's second adjacency (e.g., link to P4).
* Option A (9006) and D (9005): These labels are likely allocated by other routers (e.g., P4 or P5), as they fall outside the sequential range assigned by P3.
Key Points:
* Adj-SIDs are local to the router and do not conflict with labels from other nodes.
* The sequential allocation depends on the SRLB configuration. If the SRLB starts at 9000, labels
9000 and 9001 may be reserved for other purposes (e.g., node SIDs or reserved blocks), leaving
9002 and 9003 for adjacency labels.
Conclusion: P3 allocates 9002 and 9003 for its two adjacencies. Thus, B and C are correct.
References:
* Huawei HCIE-Datacom Documentation: "OSPFv3 Extensions for Segment Routing" (Section:
Adjacency SID Allocation).
* Huawei Configuration Guide: "SR-MPLS TE Configuration" (SRLB and Adj-SID Assignment Principles).
* Huawei Whitepaper: "Segment Routing Architecture" (Local vs. Global Labels).

NEW QUESTION # 116
......

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