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| Section | Weight | Objectives |
|---|---|---|
| WAN Interconnection Network Planning and Deployment | 8% | - WAN Service Optimization
|
| Advanced Routing and Switching Technologies | 37% | - Advanced Routing Protocols
|
| Network Automation Technologies and Practice | 17% | - Huawei Automation Solutions
|
| Campus Network Planning and Deployment | 23% | - Campus Network Service Deployment
|
| Bearer WAN Planning and Deployment | 15% | - Bearer Network Architecture
|
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NEW QUESTION # 169
On a virtualized network deployed using iMaster NCE-Campus, after creating VNs, you need to configure inter-VN communication. Which of the following configurations is used to achieve VN communication?
Answer: C
Explanation:
In Huawei'sCloudCampus Solution, VNs (Virtual Networks) areisolated by defaultfor security purposes. To enableinter-VN communication, you must explicitly configure policies that allow traffic between different VNs.
The correct way to control and enable this communication is viarouting policies, especiallyinter-VN routing policieson thecore or border nodes.
Static routesorOSPF deploymentsare not sufficient or appropriate for policy-controlled VN communication in this context.
Correct answer: D. Deploy a routing policy
NEW QUESTION # 170
In a scenario where a VXLAN tunnel is dynamically established through BGP EVPN, which of the following BGP EVPN routes is used to advertise MAC addresses, ARP entries, and IRB routes?
Answer: C
Explanation:
Comprehensive and Detailed In-Depth Explanation:
In BGP EVPN,Type 2routes (MAC/IP Advertisement routes) are used to advertise:
MAC addressesof endpoints.
ARP entries(MAC-to-IP bindings).
IRB (Integrated Routing and Bridging) routes, allowing the advertisement of both Layer 2 and Layer 3 reachability.
These routes are essential for enabling dynamic VXLAN tunnel establishment and seamless host mobility.
Type 1 (Ethernet Auto-Discovery):Used for multi-homing information.
Type 3 (Inclusive Multicast Ethernet Tag):Used for BUM (Broadcast, Unknown unicast, and Multicast) traffic.
Type 4 (Ethernet Segment):Used for identifying Ethernet segments in multi-homing scenarios.
NEW QUESTION # 171
The channelized sub-interface and FlexE technologies both can be used to implement network slicing, but the application scenarios of the two technologies are slightly different. Which of the following statements about the two technologies are correct?
Answer: A,C,D
Explanation:
Network Slicing Using Channelized Sub-Interfaces and FlexE
Both channelized sub-interfaces and FlexE (Flexible Ethernet) are used for network slicing, but they have different application scenarios:
✅ A. Channelized sub-interface is recommended for interfaces with bandwidth < 50 Gbit/s.
Channelized sub-interfaces split a physical interface into multiple logical sub-interfaces.
Best for lower-bandwidth links (<50 Gbit/s).
✅ B. FlexE is recommended for 50GE and higher-rate interfaces.
FlexE divides a high-bandwidth physical link (e.g., 100GE, 400GE) into multiple virtual slices.
Used in high-speed backbone and data center networks.
✅ C. Only FlexE-based network slicing can be deployed across OTN devices.
FlexE is compatible with Optical Transport Network (OTN) and can be used for long-haul slicing across OTN.
❌ D. Only channelized sub-interface-based network slicing can be deployed across MSTP devices.
Incorrect! While MSTP supports channelized interfaces, FlexE is not restricted to MSTP deployment.
Reference from Huawei HCIE-Datacom Documentation:
Huawei FlexE Technology Whitepaper - Network Slicing in Transport Networks HCIE-Datacom Training Material - Channelized Sub-Interface and FlexE in Network Slicing
NEW QUESTION # 172
On an SR-MPLS network, manually configured prefix SIDs on different devices may conflict with each other.
Assume that there are four routes (prefix/mask SID) as follows. Which of the following routes will be selected according to the conflict handling principle?
Answer: B
Explanation:
InSR-MPLS (Segment Routing over MPLS),prefix SID conflictsmay occur if multiple prefixes are assigned the same SID or vice versa.
Conflict resolution principle (Huawei standard):
When there aremultiple SIDs for the same prefix, theSID with the lowest value wins.
Whenthe same SID is assigned to multiple prefixes, theprefix with the smallest addresswins.
Apply to this case:
Conflict: Two entries for1.1.1.1/32withSID 2 and SID 1.
SID 1 is lower, so1.1.1.1/32 # SID 1is selected.
Correct answer: D. 1.1.1.1/32 # SID 1
NEW QUESTION # 173
Which of the following statements aboutprefix segments and adjacency segmentsare correct?
Answer: C,D
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Prefix Segment:
Represents adestination prefixin the network.
APrefix SID (Segment Identifier)is a globally unique SID that maps to anIP prefixand is within theSRGB (Segment Routing Global Block)range.
Therefore,Cis correct.
Ais incorrect because a prefix SIDis within the SRGB range, not out of it.
Adjacency Segment:
Represents alink (adjacency)between two nodes.
AnAdjacency SIDislocally significantand typically allocated from theSRLB (Segment Routing Local Block) range.
It uniquely identifies a link between nodes in thesource node's local routing table.
Therefore,Dis correct, whileBis incorrect because an adjacency SID is not necessarily an offset within the SRGB.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei SR-MPLS Configuration Guide
RFC 8402: Segment Routing Architecture
NEW QUESTION # 174
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