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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 |
| Exam Number: | H12-891_V1.0 |
| Exam Format: | Short Response Item, Drag and drop item, Single-answer Question, True or false, Multiple-answer Question |
| Passing Score: | 600/1000 |
| Available Languages: | CHS, ENU |
| Exam Price: | 300 USD |
| Exam Duration: | 90 minutes |
| Related Certifications: | HCIE-Datacom Huawei Certified ICT Expert (HCIE) |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Pearson VUE or Prometric |
| Pre Condition: | It is recommended to pass HCIP-Datacom-Core Technology. 5 years of relevant work experience is suggested. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/technical-cert-details?certId=1223102600645939200&contentId=1223107831750217728 |
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Huawei H12-891_V1.0 certification exam is an industry-recognized certification that demonstrates the candidate's proficiency in data communication technologies. HCIE-Datacom V1.0 certification exam is designed to help professionals advance in their careers by providing them with the necessary skills and knowledge to design and implement complex data communication networks.
Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a professional-level certification exam that tests the skills and knowledge of individuals in the field of data communication. H12-891_V1.0 exam is designed for those who aspire to become certified HCIE-Datacom professionals and want to demonstrate their expertise in data communication technologies.
NEW QUESTION # 195
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 # 196 
As shown in the following figure, an engineer tests network interconnection between two branches. To implement network interconnection, OSPF is deployed on R1, R2, and R3 of branch 1, and IS-IS is deployed on R2, R3, and R4 of branch 2. Which of the following operations needs to be performed to allow R1 to access R4's loopback interface address?
Answer: B
Explanation:
Understanding the Network Scenario:
* R2 is the boundary router between OSPF and IS-IS.
* OSPF and IS-IS do not automatically redistribute routes between each other.
* R4's loopback (10.1.4.4/32) exists in the IS-IS domain.
* To allow R1 (OSPF) to reach R4's loopback, R2 must redistribute IS-IS routes into OSPF.
Why Option C Is Correct (#)
# default-route-advertise in OSPF on R2:
* This advertises a default route into the OSPF domain, allowing OSPF routers (R1, R3) to forward unknown traffic to R2.
* Since IS-IS routes are not automatically injected into OSPF, this ensures R1 can reach R4.
# IS-IS Already Has Routes to OSPF
* IS-IS routers (R3, R4) already learn routes from OSPF via R2 (assuming route redistribution is properly configured).
* No need to run default-route-advertise in IS-IS.
Why Other Options Are Incorrect (#)
# A. Run default-route-advertise in both OSPF and IS-IS views on R2
* Unnecessary in IS-IS. The IS-IS domain already learns OSPF routes from R2 via redistribution.
* Only OSPF needs a default route to forward unknown traffic to R2.
# B. No configuration is required
* Incorrect, because OSPF does not automatically learn IS-IS routes.
* A default route or redistribution is needed for R1 to reach R4.
# D. Run default-route-advertise only in the IS-IS view on R2
* Incorrect, because IS-IS already has routing information from OSPF.
* The issue is with OSPF not learning IS-IS routes, so the command needs to be in OSPF view.
# Reference: Huawei HCIE Datacom - OSPF and IS-IS Route Redistribution and Interoperability
NEW QUESTION # 197
Which of the following types of LSAs does OSPF use to support SR-MPLS?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
To supportSR-MPLS (Segment Routing over MPLS),OSPFusesType 10 Opaque LSAsto advertiseSegment Routing (SR) capabilities and information.
Type 10 Opaque LSA (B): Used fordistributing application-specific informationwithin an OSPF area. In SR- MPLS, it carries theSID/Label mappingsand other SR-related information.
Type 7 NSSA External LSA (A):Used to advertise external routes within an NSSA, not related to SR-MPLS.
Type 1 Router LSA (C):Advertises the router's interfaces and links but does not carry SR-specific information.
Type 2 Network LSA (D):Advertises the links of abroadcast or NBMA network, not used for SR-MPLS.
Therefore, the correct answer isB (Type 10 Opaque LSA), as it enables theadvertisement of SR information.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei SR-MPLS Configuration Guide
RFC 8665: Segment Routing with OSPFv2
NEW QUESTION # 198
Which of the following types of LSAs does OSPF use to support SR-MPLS?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
To supportSR-MPLS (Segment Routing over MPLS),OSPFusesType 10 Opaque LSAsto advertiseSegment Routing (SR) capabilities and information.
Type 10 Opaque LSA (B): Used fordistributing application-specific informationwithin an OSPF area. In SR- MPLS, it carries theSID/Label mappingsand other SR-related information.
Type 7 NSSA External LSA (A):Used to advertise external routes within an NSSA, not related to SR-MPLS.
Type 1 Router LSA (C):Advertises the router's interfaces and links but does not carry SR-specific information.
Type 2 Network LSA (D):Advertises the links of abroadcast or NBMA network, not used for SR-MPLS.
Therefore, the correct answer isB (Type 10 Opaque LSA), as it enables theadvertisement of SR information.
NEW QUESTION # 199
On the bearer WAN shown in the figure, SR (Segment Routing) is deployed, and the controller is used to compute paths. Drag network technologies on the left to the corresponding application locations on the right.
Answer:
Explanation:
NEW QUESTION # 200
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