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Huawei H35-831 exam is a challenging exam that requires in-depth knowledge of data communication and carrier networks. It is a comprehensive exam that covers a wide range of topics related to network design, deployment, and management. H35-831 exam is designed to validate the candidates' skills in dealing with complex network issues and coming up with innovative solutions. Passing H35-831 Exam is a significant achievement for professionals in the field of data communication and carrier networks and can help them advance their careers.
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Huawei H35-831 (HCIE-Datacom-Carrier (Written) V1.0) Exam is a certification exam that focuses on the knowledge and skills required for professionals in the data communication and carrier network industries. It is designed to test the candidates' expertise in key areas such as network design, network security, network management, and network optimization. H35-831 exam is intended for individuals who want to gain advanced knowledge and skills in data communication and carrier network technologies and advance their careers in these fields.
Huawei H35-831 (HCIE-Datacom-Carrier (Written) V1.0) Exam is a certification exam that is designed for individuals who are seeking to become Huawei Certified Internetwork Expert (HCIE) in the Datacom Carrier field. H35-831 exam is a challenging and comprehensive test that assesses an individual's skills and knowledge in designing, deploying, and managing datacom carrier networks. Passing H35-831 exam is a significant achievement for individuals who wish to advance their careers in datacom carrier networking.
NEW QUESTION # 61
Which of the following statements regarding the telco cloud network are correct?
Select all that apply.
Answer: A,B,C,D
Explanation:
Huawei Reference Verification:
Huawei's Telco Cloud Transport architecture connects cloud workloads through spine-leaf fabrics, DC gateways, PEs, and centrally managed service networks. Route preference can distribute north-south traffic among PEs to avoid concentrated utilization. Separate management/storage and production networks improve operational isolation. A flattened spine-leaf topology provides multiple equal-cost routed paths and supports horizontal expansion. Where existing gateway appliances cannot carry projected north-south throughput, additional DC GWs can increase aggregate egress capacity when upstream routing and connectivity are correspondingly engineered. These points support all four intended design statements, although isolation must not be confused with an unconditional security guarantee.
Technical Deep Dive:
A, B, C, and D describe the intended telco-cloud engineering model. With multiple single-homed gateways, BGP preference and next-hop policies can steer traffic so one PE does not become an unnecessary bottleneck.
Physically separating management/storage and service functions reduces shared fault and attack exposure; access controls and other safeguards remain necessary because separation alone does not guarantee availability. A spine-leaf fabric uses multiple equal-cost underlay paths, predictable scale-out and flexible server/VNF attachment. Additional DC gateways increase north-south capacity when their upstream links and route-selection policies distribute flows appropriately. VXLAN with EVPN can isolate tenants over an IP underlay and provide distributed gateway service. Supported ASICs accelerate VXLAN encapsulation, IP lookups and ECMP decisions. The overarching objective is to scale bandwidth, reliability, segmentation and automation together, rather than merely increasing switch or gateway port capacity. Option B's phrase guaranteeing overall security should be softened.
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NEW QUESTION # 62
During path computation, when multiple paths have the same metric, CSPF chooses one using tie-breaking policies. Which of the following is not an available tie-breaking policy?
Answer: D
Explanation:
Huawei Reference Verification:
Huawei MPLS TE documentation describes three CSPF tie-breaking selections for candidate paths having equal applicable metrics: most-fill, least-fill, and random. The fill-based strategies compare utilized versus reservable link bandwidth, while random selection chooses among equivalent candidate paths without using the utilization ratio. A ratio comparing the cost of an individual link with the cumulative cost of the entire path is not a defined CSPF tie-breaking policy. Therefore C is the unsupported choice.
Technical Deep Dive:
C is correct. CSPF first prunes paths that violate configured TE constraints, such as bandwidth reservation and affinity, and then computes shortest eligible paths. When multiple paths have equal cost, the tie-breaking policy selects among them. Huawei's supported modes include `most-fill`, `least-fill`, and `random`. The most- fill and least-fill mechanisms use relevant bandwidth utilization proportions; random allows non-deterministic selection among equal candidates. Option C introduces a ratio of individual-link cost to total path cost, which is not a tie-breaking option. Link metrics have already informed the primary shortest-path calculation. A representative configuration is `mpls`, followed by `mpls te tie-breaking least-fill` in the applicable view; syntax and semantics should be checked for the software version. Understanding the boundary between constraint filtering, SPF metric computation, and equal-cost tie-breaking prevents confusion in path- engineering questions.
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NEW QUESTION # 63
In an inter-AS VPN Option C network, VPN routes are exchanged between AS100 and AS200. Which of the following statements concerning inter-AS VPN Option C are correct?
Select all that apply.
Answer: A,C,D
Explanation:
Huawei Reference Verification:
Huawei inter-AS VPN Option C separates labeled public-network reachability from customer VPN route distribution. ASBRs exchange labeled IPv4 unicast reachability and must support MPLS forwarding on the relevant interconnection, including capability negotiation for BGP labels. VPNv4 routes can be exchanged between PEs or between route reflectors in different ASs using MP-EBGP. When the RRs peer via loopbacks and are not directly connected, EBGP multihop configuration is required. Option C does not require ASBRs to host complete VPNv4 tables or necessarily disable route-target filtering on them. Accordingly A, C and D are correct.
Technical Deep Dive:
A, C and D are correct. Option C is a scalable inter-AS MPLS L3VPN design. The ASBRs exchange labeled public IPv4 routes, providing an inter-AS transport LSP to the remote PE. MPLS must operate on the ASBR interconnection in this design and BGP labeled unicast capability must be supported. VPNv4 service routes are distributed directly among PEs or through RRs, so ASBRs need not maintain each customer's VPNv4 prefixes. RRs in separate autonomous systems may establish multihop MP-EBGP VPNv4 peering and use
`peer ebgp-max-hop` when sourced from non-directly connected addresses. Option B incorrectly describes a universally mandatory `undo policy vpn-target` command on ASBRs; route-target filtering matters where VPNv4 routes are actually maintained. The data plane processes transport labels across the inter-AS path and the egress PE performs the customer VPN lookup using its service label.
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NEW QUESTION # 64
Which statements correctly describe the MVPN route types used in the MVPN over BIERv6 solution?
Select all that apply.
Answer: A,D
Explanation:
Huawei Reference Verification:
Huawei's MVPN over BIERv6 control plane uses BGP MVPN route types for VPN membership and tunnel advertisement. Any MVPN-enabled sender or receiver PE may originate an Intra-AS I-PMSI A-D route advertising membership and the inclusive provider tunnel. These routes discover other MVPN participants and their transport information. S-PMSI A-D routes are originated by sender PEs to announce selective tunnels for specific multicast flows. Customer PIM (C-S,C-G) Join or Prune signaling is represented by the corresponding C-multicast route rather than being automatically converted into a Leaf A-D route. Thus B and C are correct.
Technical Deep Dive:
B and C are correct. BGP MVPN distinguishes inclusive and selective multicast distribution. Intra-AS I-PMSI A-D routes advertise VPN multicast membership and I-PMSI transport information; both sender and receiver PEs can originate them. C-multicast routing information describes receiver interest in individual customer multicast flows. A sender PE may advertise S-PMSI A-D information when selective transport for a particular flow is needed. A Leaf A-D route has a separate function, notably associated with tracking leaves for certain selective tunnel procedures, rather than being the direct translation of every customer PIM Join or Prune.
BIERv6 then uses bit-based forwarding to replicate service packets across the provider underlay without requiring conventional multicast state per flow on every P router. This control/data-plane separation supports large IPTV and enterprise multicast VPN deployments.
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NEW QUESTION # 65
In the network shown, RTA is in AS 100 and forms an EBGP peer relationship with RTB. RTB, RTC, RTD, RTE, and RTF are in AS 200. RTB, RTD, and RTE are also in sub-AS 65001, RTC is also in sub-AS 65002, and RTF is also in sub-AS 65003.
1. RTA imports route 1.1.1.1/32. What is the route's AS_Path after RTF receives it?
2. RTC imports route 3.3.3.3/32. What is the route's AS_Path after RTA receives it?
3. RTC imports route 3.3.3.3/32. What is the route's AS_Path after RTE receives it?
Exhibit 29.1 - Original topology/configuration figure
Answer: B
Explanation:
Huawei Reference Verification:
Huawei BGP confederations divide a large public AS into internal member autonomous systems while presenting a single AS identifier to external neighbors. Across member-AS boundaries, the exporting member- AS number is included in an AS_CONFED_SEQUENCE segment, commonly displayed in parentheses.
Confederation path segments are removed when exporting the route outside the confederation and the confederation AS number is used instead. Internal IBGP sessions within one member-AS do not prepend a new member-AS segment. Applying these rules gives (65001) 100 at RTF, 200 at RTA, and (65002) at RTE:
option C.
Technical Deep Dive:
C is correct. The externally visible confederation is AS200, with internal member ASs 65001, 65002 and
65003. For the first prefix RTA in AS100 advertises 1.1.1.1/32 to RTB in member AS65001. When RTB advertises it to RTF in member AS65003, RTB's member number is prepended as a confederation sequence, producing `(65001) 100`. For the second prefix RTC in member AS65002 originates 3.3.3.3/32 and the route crosses to RTB. Exporting it from the confederation toward RTA strips internal confederation segments and exposes AS200, yielding `200`. For the third prefix RTC advertises to RTB, which is in member AS65001.
RTE shares member AS65001 with RTB, so the path remains `(65002)` at RTE. These rules are standardized in RFC 5065 and allow confederation members to retain internal policy flexibility while presenting one coherent AS externally.
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NEW QUESTION # 66
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