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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Routing Fundamentals | 3% | - Network basics and routing principles |
| Topic 2: Large-scale WLAN Architecture | 6% | - Enterprise WLAN deployment basics |
| Topic 3: Routing and Traffic Control | 10% | - Policy-based routing - Traffic engineering basics |
| Topic 4: Network Solution | 2% | - Integrated network design scenarios |
| Topic 5: Network Service and Management | 2% | - Network management basics |
| Topic 6: Network Reliability | 8% | - Redundancy and failover mechanisms |
| Topic 7: OSPF | 16% | - OSPF areas and LSDB - OSPF core concepts |
| Topic 8: BGP | 17% | - BGP path selection - BGP policy and attributes |
| Topic 9: IPv6 | 3% | - IPv6 addressing and routing |
| Topic 10: Network Security | 9% | - ACL and basic security mechanisms |
| Topic 11: IS-IS | 8% | - IS-IS protocol fundamentals |
| Topic 12: Multicast | 9% | - IGMP and PIM concepts |
| Topic 13: Switching Technologies | 7% | - VLAN and STP fundamentals |
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NEW QUESTION # 44
If a modular switch only supports using the cluster card on the main control board to establish cluster connections, it means that the modular switch uses CSS2 stacking technology.
Answer: B
NEW QUESTION # 45
Which of the following are the advantages of building a campus network using stacking and clustering technologies? (Multiple choice)
Answer: A,B,C
NEW QUESTION # 46
On an RSTP network, if a port receives an RST BPDU and finds that its buffered RST BPDU is superior to the received RST BPDU, the port discards the received RST BPDU without responding.
Answer: B
Explanation:
RST BPDU Handling
* On an RSTP network, if a port receives an RST BPDU and determines its own buffered BPDU is superior, it discards the received BPDU without responding. This ensures stability and proper convergence in the network.
HCIP-Datacom-Core Reference
* BPDU handling is described in the RSTP operation chapters.
NEW QUESTION # 47
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: A
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:
The answer: D (Local PBR is NOT configured in the protocol view).
Huawei HCIA-Datacom Study Guide, Chapter " Policy-Based Routing. "
NEW QUESTION # 48
A router performs a lookup in its FIB table for a packet. If the tunnel ID in the matching entry is 0, the packet needs to be forwarded through a tunnel, such as an MPLS tunnel.
Answer: B
Explanation:
The question indicates that a router performs a lookup in its FIB table for a packet and determines that the tunnel ID in the matching entry is 0, suggesting that the packet needs to be forwarded through a tunnel such as an MPLS tunnel. However, this is a misunderstanding of the FIB functionality.
* FIB Table OverviewThe Forwarding Information Base (FIB) is used to make packet-forwarding decisions. Entries in the FIB include next-hop information, which can be directly linked to an interface or a tunnel.
* If the Tunnel ID is 0, it indicates that the packet is forwarded via a normal routing path and not through a tunnel.
* For MPLS or other tunnels, the Tunnel ID would have a non-zero value pointing to the associated tunnel.
* MPLS Tunnel OperationWhen a router forwards packets through an MPLS tunnel, a label-switched path (LSP) is set up. The FIB would reflect specific tunnel identifiers for packets that need such encapsulation.
* HCIP-Datacom-Core Reference
* Routing Principles and MPLSexplain the forwarding mechanisms clearly, stating that if a packet is routed normally, the tunnel ID remains 0.
* The section on MPLSclarifies the encapsulation process and the role of tunnel identifiers.
Hence, the claim in the question is incorrect. A Tunnel ID of 0 implies no tunneling is required, and normal IP forwarding occurs
NEW QUESTION # 49
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