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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security | 9% | - ACL and basic security mechanisms |
| Topic 2: Switching Technologies | 7% | - VLAN and STP fundamentals |
| Topic 3: Network Reliability | 8% | - Redundancy and failover mechanisms |
| Topic 4: Multicast | 9% | - IGMP and PIM concepts |
| Topic 5: IPv6 | 3% | - IPv6 addressing and routing |
| Topic 6: Routing Fundamentals | 3% | - Network basics and routing principles |
| Topic 7: OSPF | 16% | - OSPF core concepts - OSPF areas and LSDB |
| Topic 8: Network Solution | 2% | - Integrated network design scenarios |
| Topic 9: IS-IS | 8% | - IS-IS protocol fundamentals |
| Topic 10: Large-scale WLAN Architecture | 6% | - Enterprise WLAN deployment basics |
| Topic 11: Routing and Traffic Control | 10% | - Policy-based routing - Traffic engineering basics |
| Topic 12: Network Service and Management | 2% | - Network management basics |
| Topic 13: BGP | 17% | - BGP path selection - BGP policy and attributes |
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NEW QUESTION # 252
The LSDB output of a router R2 is shown in the figure.
According to the analysis of the content in the figure, which of the following options is wrong?
Answer: C
NEW QUESTION # 253
PBR is a mechanism for selecting routes based on user-defined policies. There are two types of PBR:
interface-based PBR and local PBR. Which of the following statements is false about these two types of PBR?
Answer: B
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. Overview of PBR (Policy-Based Routing):
Policy-Based Routing (PBR) allows you to override traditional routing decisions by defining user-specific policies.
Interface-Based PBR: Applied to packets arriving at a specific interface and affects traffic being forwarded through the device.
Local PBR: Applied to traffic generated by the local router itself (e.g., locally originated packets such as management traffic).
2. Analysis of Each Statement:
Option A: Interface-based PBR takes effect only for forwarded packets.
Correct (True Statement).
Interface-based PBR applies only to packets arriving at a specific interface and being forwarded through the router. It does not affect locally originated traffic.
Option B: Local PBR takes effect only for locally originated packets.
Correct (True Statement).
Local PBR specifically applies to traffic generated by the router itself, such as pings, SNMP requests, or routing protocol updates.
Option C: Interface-based PBR is configured on an interface and takes effect only for incoming packets on the interface.
Correct (True Statement).
Interface-based PBR is applied directly on the interface using commands like policy-based-route. It only affects traffic entering the specified interface.
Option D: Local PBR is configured in the protocol view.
Incorrect (False Statement).
Local PBR is not configured in the protocol view. It is typically configured using the command local-policy in the system view to handle traffic generated by the router.
3. Summary:
answer:D (Local PBR is NOT configured in the protocol view).
Huawei HCIA-Datacom Study Guide, Chapter "Policy-Based Routing."
NEW QUESTION # 254
On an IS-IS network, Level-1 routers can access the IS-IS backbone area only through Level-1-2 routers.
Answer: B
Explanation:
IS-IS uses a two-level hierarchy:
Level-1 routersoperate within a single area and cannot exchange routing information with routers in other areas directly.
To reach external areas (the IS-IS backbone or other areas), Level-1 routers rely onLevel-1-2 routers, which perform inter-area route redistribution.
Therefore, a Level-1 routermust use a Level-1-2 routeras a gateway to reach destinations outside its own area.
Reference:Huawei HCIP-Datacom-Core Technology Study Guide(Chapter: IS-IS Fundamentals - Section:
Routing Levels and Area Structure)
NEW QUESTION # 255
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
Answer: B
Explanation:
OSPF supports both area-level and interface-level authentication. When both are configured, interface authentication takes precedence over area authentication. This hierarchy ensures that specific interface-level configurations override the broader area-level settings when applicable .
NEW QUESTION # 256
Which of the following descriptions about the introduction of external routes to 86P is correct? (Multiple choice)
Answer: C,D
NEW QUESTION # 257
......
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