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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Automation Technologies and Practice | 17% | - Automation Foundation
|
| Topic 2: Bearer WAN Planning and Deployment | 15% | - High-level Technology Deployment
|
| Topic 3: WAN Interconnection Network Planning and Deployment | 8% | - WAN Interconnection Technologies
|
| Topic 4: Advanced Routing and Switching Technologies | 37% | - Advanced Switching Technologies
|
| Topic 5: Campus Network Planning and Deployment | 23% | - Campus Network Service Deployment
|
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NEW QUESTION # 249
BGP Link State (BGP-LS) introduces a new NLRI into BGP. The NLRI carries link, node, topology prefix, and other information, and is also referred to as the link state NLRI.
Answer: B
Explanation:
Understanding BGP Link State (BGP-LS)
#What is BGP-LS?
BGP-LS (BGP Link-State)is anextension of BGPthat allows routers to exchangenetwork topology informationviaLink-State NLRI.
HelpsSDN controllers and path computation elements (PCEs)makeintelligent routing decisions.
#What Does BGP-LS Advertise?
#Node Information- Router IDs, Loopbacks
#Link Information- Bandwidth, Delay, Cost
#Prefix Information- Network Subnets
#Topology Information- Full network graph
Why is the Answer TRUE?
#BGP-LS introduces a new NLRI formatfor advertising link-state information.
#NLRI (Network Layer Reachability Information) is used to distribute topology datato SDN controllers.
#It improves path optimization by enabling centralized traffic engineering decisions.
Real-World Application:
SDN-Based Traffic Engineering:Used inSegment Routing (SR)networks for centralizedpath selection.
MPLS TE (Traffic Engineering):Optimizes network paths dynamically based onreal-time link-state data.
#Reference:Huawei HCIE-Datacom Guide - BGP Link-State (BGP-LS) Fundamentals
NEW QUESTION # 250
The naming of SRv6 instructions complies with certain rules. You can quickly determine the function of an instruction based on the instruction name. Which of the following statements about the keywords in SRv6 instruction names are correct?
Answer: A,B,D
Explanation:
SRv6 Instruction Naming Conventions
SRv6 (Segment Routing over IPv6) uses segment identifiers (SIDs) with specific functions, indicated by instruction keywords:
✅ A. T: Searches a specified routing table to forward packets.
T (Table Lookup) → Performs a lookup in a specified routing table and forwards packets accordingly.
❌ B. M: Searches a Layer 2 forwarding table for unicast forwarding.
Incorrect! SRv6 does not use M for Layer 2 unicast forwarding.
✅ C. V: Searches a VPN instance routing table to forward packets.
V (VPN Routing Table Lookup) → Performs a lookup in a VPN instance (VRF) table for forwarding.
✅ D. X: Forwards packets through one or a group of specified Layer 3 interfaces.
X (Cross-connect forwarding) → Forwards packets via a specified Layer 3 interface or group of interfaces.
Reference from Huawei HCIE-Datacom Documentation:
Huawei SRv6 Configuration Guide - SRv6 SID Naming and Instruction Set
HCIE-Datacom Study Material - Segment Routing over IPv6 (SRv6) Functionality
NEW QUESTION # 251
There is an existing router running OSPF connected to Zone 0 and Zone 1 You configured Zone 1 as a stub zone, what classes does LSA that only operates inside Zone 1 include?
Answer: E
NEW QUESTION # 252
Which of the following inter-AS MPLS L3VPN solutions needs ASBRs to transmit VPNv4 routes?
Answer: C
Explanation:
Comprehensive and Detailed Explanation:
Inter-AS MPLS L3VPN Option B requires ASBRs to exchange VPNv4 routes using eBGP with label information.
Analysis of Inter-AS VPN Solutions:
A screenshot of a computer AI-generated content may be incorrect.
Option B uses eBGP to exchange labeled VPNv4 routes between ASBRs but does not require MPLS between ASBRs.
Option A does not exchange VPNv4 routes over ASBRs (uses IP routing instead).
Option C uses MP-BGP and requires full MPLS between ASBRs.
Since Option B requires ASBRs to exchange VPNv4 routes, the correct answer is B.
# Reference: Huawei HCIE Datacom - MPLS Inter-AS VPNs
NEW QUESTION # 253
On a CloudCampus virtualized campus network, which of the following modes can be used by a fabric to connect to external networks?
Answer: A,B,C,D
Explanation:
Comprehensive and Detailed
✔ All four egress modes are supported in Huawei CloudCampus Virtualized Fabric to provide flexibility in connecting external networks.
✔ Modes Explained:
✅ Layer 3 Shared Egress → Multiple VNs share a single Layer 3 gateway for external communication.
✅ Layer 2 Shared Egress → Multiple VNs share the same Layer 2 link to the external network.
✅ Layer 3 Exclusive Egress → Each VN has its own separate Layer 3 gateway to external networks.
✅ Layer 2 Exclusive Egress → Each VN has its own dedicated Layer 2 link for external connectivity.
📖 Reference: Huawei HCIE Datacom - CloudCampus Fabric Egress Modes
NEW QUESTION # 254
......
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