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H12-831_V1.0 Materials - Valid H12-831_V1.0 Test Papers

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To earn the Huawei H12-831_V1.0 : HCIP-Datacom-Advanced Routing certification, candidates need to pass a comprehensive exam that is designed to test their knowledge and skills in the area of advanced routing and data communication. H12-831_V1.0 exam consists of multiple-choice questions and practical lab exercises that test candidates in various areas of network infrastructure management.

Huawei H12-831_V1.0-ENU certification exam covers a wide range of topics related to advanced routing and switching technologies, including BGP, OSPF, MPLS, QoS, VLAN, and VPN. H12-831_V1.0 Exam also covers advanced network troubleshooting and optimization techniques. Candidates who pass the exam will be able to demonstrate their ability to design, implement, and troubleshoot complex network infrastructures.

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Valid Huawei H12-831_V1.0 Test Papers, Vce H12-831_V1.0 Torrent

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Huawei H12-831_V1.0-ENU certification exam is a 90-minute, computer-based exam consisting of 60 multiple-choice questions. H12-831_V1.0 exam is available in English and Chinese languages and can be taken at any authorized Huawei testing center. H12-831_V1.0 Exam Fees vary depending on the region and country, but typically range between $150 and $300.

Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q81-Q86):

NEW QUESTION # 81
On an MPLS network, an LSR ID uniquely identifies an LSR. An LSR ID defaults to the IP address of a physical interface on a device and can be manually set to a loopback interface address.
Options:

A. FALSE
B. TRUE

Answer: B

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* LSR ID (Label Switch Router ID) uniquely identifies an MPLS router in the network.
* By default, the LSR ID is the IP address of a physical interface on the router.
* Best Practice: Manually configuring the LSR ID to use a loopback interface address improves stability and reachability in MPLS networks.
* The loopback interface is always up, ensuring that the LSR ID remains accessible even if physical interfaces go down.
# Reference: HCIP-Datacom Advanced Routing & Switching Technology - MPLS LSR ID Configuration

NEW QUESTION # 82
What is the default aging time of the MAC address table of Huawei switches in seconds?

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

Answer: D

NEW QUESTION # 83
As shown in the figure:

A. IS-Leve1 of R3 and R1 do not match
B. The IIH certification of R3 and R1 failed
C. R3 and R1 have different area codes
D. The System ID of R3 and R1 are duplicated

Answer: D

NEW QUESTION # 84
Which of the following is not included in OSPF Hello packets?
Options:

A. Process ID
B. Network Mask
C. Router ID
D. Area ID

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* OSPF Hello packets are used to establish and maintain neighbor relationships between routers.
* Hello packets contain:# Router ID - Unique identifier for the OSPF router.# Area ID - Defines the OSPF area to which the router belongs.# Network Mask - Helps ensure routers are on the same subnet.
* Process ID is NOT included because the OSPF Process ID is a local parameter used only within the router itself and is not exchanged between routers.
# Reference: HCIP-Datacom Advanced Routing & Switching Technology - OSPF Packet Types

NEW QUESTION # 85
On the OSPFv3 network shown in the figure, area 1 is an NSSA. R1 imports the external route 2000::1/128 to OSPFv3. Which of the following LSAs are available in area 0?

A. Inter-Area-Router-LSA
B. Inter-Area-Prefix-LSA
C. Intra-Area-Prefix-LSA
D. Link-LSA

Answer: A,B

Explanation:
Comprehensive and Detailed In-Depth Explanation:To determine which LSAs are available in Area 0, we need to analyze the OSPFv3 network, the area types, and the behavior of external routes in an NSSA, considering the possibility of multiple correct answers. Let's break it down step by step:
* Understanding the Network and Area Types:
* The network has two areas: Area 0 (backbone area) and Area 1 (Not-So-Stubby Area or NSSA).
* R1, located in Area 1, imports an external IPv6 route (2000::1/128) into OSPFv3.
* Area 0 is the backbone area, and Area 1 is an NSSA, which allows limited external routes but has specific restrictions on LSA types.
* OSPFv3 LSA Types and Their Roles:
* Link-LSA (Type 8): These are link-local LSAs, flooded only within the local link and not propagated beyond the local segment. They are not flooded into Area 0 or other areas, so they are not relevant for inter-area or external route advertisement.
* Inter-Area-Router-LSA (Type 4): These LSAs are used to describe routers in other areas, specifically Autonomous System Boundary Routers (ASBRs) that originate external routes. In this case, R1 is an ASBR in Area 1 (NSSA) importing the external route 2000::1/128. Type 4 LSAs are generated by the ABR (e.g., R1 or another router connecting Area 1 to Area 0) and flooded into Area 0 to provide reachability information to the ASBR (R1) for the external route.
Therefore, Inter-Area-Router-LSAs can be present in Area 0 to help routers reach R1 as the ASBR.
* Intra-Area-Prefix-LSA (Type 9): These LSAs advertise prefixes associated with routers or transit networks within the same area. They are not used for external routes and are confined to Area 1, so they are not available in Area 0.
* Inter-Area-Prefix-LSA (Type 3): These LSAs advertise prefixes from one area to another, including routes summarized or redistributed into the OSPF domain. In an NSSA, external routes (like 2000::1/128) are advertised as Type 7 LSAs within Area 1. The ABR (e.g., R1 or another router) translates these Type 7 LSAs into Type 5 LSAs or, in OSPFv3, they may be represented as Inter-Area-Prefix-LSAs (Type 3) to flood the external route into Area 0. Thus, Inter-Area- Prefix-LSAs are available in Area 0 for the external route 2000::1/128.
* Behavior of External Routes in an NSSA:
* In OSPFv3, an NSSA (like Area 1) allows external routes to be imported by an ASBR (R1 in this case). NSSAs do not flood Type 5 LSAs (external LSAs) directly into the area. Instead, external routes are advertised as Type 7 LSAs within the NSSA.
* The Area Border Router (ABR) connecting the NSSA (Area 1) to the backbone (Area 0)-likely R1 or another router-translates the Type 7 LSAs into Type 5 LSAs (or, in OSPFv3, they may be represented as Inter-Area-Prefix-LSAs or other appropriate LSAs for external routes). These translated LSAs are then flooded into Area 0.
* Additionally, since R1 is an ASBR, Area 0 needs to know how to reach R1 to access the external route 2000::1/128. This is achieved through Inter-Area-Router-LSAs (Type 4), which are flooded into Area 0 by the ABR to describe the location of the ASBR (R1) in Area 1.
* Determining LSAs Available in Area 0:
* Link-LSA (Type 8): These are link-local and not flooded into Area 0, so they are not available in Area 0.
* Inter-Area-Router-LSA (Type 4): Since R1 is an ASBR in Area 1 (NSSA) importing the external route, the ABR (e.g., R1 or another router) generates Inter-Area-Router-LSAs to advertise R1's location to Area 0. This LSA is necessary for routers in Area 0 to reach the ASBR (R1) for the external route 2000::1/128. Therefore, Inter-Area-Router-LSAs are available in Area
0.
* Intra-Area-Prefix-LSA (Type 9): These are confined to Area 1 and not flooded into Area 0, so they are not available in Area 0.
* Inter-Area-Prefix-LSA (Type 3): This LSA is used to advertise the external prefix 2000::1/128 into Area 0 after translation from Type 7 LSAs in Area 1. Therefore, Inter-Area-Prefix-LSAs are available in Area 0.
* Conclusion:
* The external route 2000::1/128, imported by R1 in Area 1 (NSSA), results in both Inter-Area- Router-LSAs (Type 4) and Inter-Area-Prefix-LSAs (Type 3) being available in Area 0.
* Inter-Area-Router-LSA (Type 4) is present to describe the location of the ASBR (R1) in Area 1, allowing routers in Area 0 to reach R1 for the external route.
* Inter-Area-Prefix-LSA (Type 3) is present to advertise the external prefix 2000::1/128 into Area 0 after translation from the Type 7 LSA in Area 1.
* Therefore, the correct answers are B (Inter-Area-Router-LSA) and D (Inter-Area-Prefix-LSA).
References (Based on HCIP-Datacom-Advanced Routing & Switching Technology Concepts):
* OSPFv3 LSA Types: HCIP-Datacom documentation on OSPFv3 LSAs, including Link-LSA, Inter- Area-Router-LSA, Intra-Area-Prefix-LSA, and Inter-Area-Prefix-LSA (e.g., Section on OSPFv3 Fundamentals).
* NSSA Behavior in OSPFv3: HCIP-Datacom coverage of NSSA areas, Type 7 LSAs, and their translation to Type 5 or Inter-Area-Prefix-LSAs for Area 0, as well as Inter-Area-Router-LSAs for ASBR reachability (e.g., Chapter on OSPFv3 Advanced Features and Area Types).
* External Route Propagation: HCIP-Datacom explanation of external route handling in OSPFv3, including ASBR and ABR roles, and LSA types for inter-area and external route advertisement (e.g., Section on Route Redistribution and IPv6 OSPF).

NEW QUESTION # 86
......

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