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| Section | Weight | Objectives |
|---|---|---|
| WLAN Technology Basics | 10% | - 802.11 standards and WLAN components - WLAN architecture and working principles - Basic WLAN configuration |
| IP Technology Basics | 25% | - IPv4 addressing, subnetting - IP routing basics and forwarding - Static routing, OSPF fundamentals - IPv6 basics |
| Data Center Network Basics | 5% | - Basic data center networking technologies - Data center architecture overview |
| Network O&M and Troubleshooting | 10% | - Fault diagnosis and troubleshooting methods - Network monitoring and management tools |
| Ethernet Technology Basics | 20% | - Link aggregation and stacking technologies - Ethernet standards and switch principles - VLAN, STP, RSTP principles and configuration |
| Typical Campus Networking Solution | 5% | - Campus network design and integration - End-to-end networking scenarios |
| Network Security and Services | 15% | - AAA and basic security technologies - ACL, NAT principles and configuration - DHCP, DNS, FTP, Telnet services |
| Data Communication Network Basics | 10% | - Campus network basics - VRP system basics and operations - OSI and TCP/IP protocol models - ARP, TCP/UDP principles - Data forwarding process - Basic network concepts and architecture |
Die IT-Expertengruppe von It-Pruefung nutzt ihre Erfahrungen und Wissen aus, um weiterhin die Qualität der Prüfungsunterlagen zur H12-811_V2.0 Zertifizierung zu verbessern und die Bedürfnisse der Prüflinge abzudecken. Wir versprechen, dass Sie beim ersten Versuch die Huawei H12-811_V2.0 Zertifizierungsprüfung bestehen können. Durch den Kauf von It-Pruefung Produkten können Sie immer schnell Updates und genauere Informationen über die Huawei H12-811_V2.0 Prüfung bekommen. Und die Produkte vom It-Pruefung bieten umfassende Wissensgebiete und Bequemelichkeit für die Kandidaten. Außerdem beträgt die Hit-Rate 100%. Es kann Ihnen 100% Selbstbewusstsein geben, so dass Sie sich unbesorgt an der Prüfung beteiligen.
30. Frage
To ensure that the same data flow can be forwarded through the same physical link in a link aggregation group (LAG) and different data flows can be load balanced among different physical links in the LAG, the administrator needs to enable per-packet load balancing on the devices at both ends of the LAG.
Antwort: B
Begründung:
Per-packet load balancing is not required to ensure that the same data flow stays on the same physical link. In fact, per-packet load balancing can cause packet reordering and is generally not used for preserving flow consistency. Consistent flow-based load balancing (such as hash-based methods) is what ensures that the same data flow is always forwarded over the same member link in a LAG.
31. Frage
On the network shown in the figure, the administrator creates Eth-Trunk 1 in manual mode on SW1 and SW2, and adds GE1/0/1 and GE1/0/2 on both switches to the Eth-Trunk. After the administrator runs the display interface brief command on SW1, the administrator finds that GE1/0/1 is Up and GE1/0/2 is Down. Which of the following statements is true about this scenario?
Antwort: D
Begründung:
For an Eth-Trunk operating in manual load-balancing mode, the logical Eth-Trunk interface can remain Up as long as at least one member link is operational and properly added to the trunk.
Therefore, if GE1/0/1 is Up and GE1/0/2 is Down, Eth-Trunk 1 can still stay Up, making option A correct.
32. Frage
When a Huawei network device functions as an FTP server, which of the following are possible causes of an FTP client failing to log in to the FTP server? (Select all that apply)
Antwort: A,B,C,D
33. Frage
In Layer 3 in-path WLAN networking, the WAC and Fit APs are connected at Layer 3. APs can obtain the WAC's address through broadcast or DHCP.
Antwort: B
Begründung:
This statement is false. In Layer 3 in-path WLAN networking, the WAC and Fit APs communicate over Layer 3, which means the APs must discover the WAC through methods that are valid across Layer 3 boundaries. Broadcast is a Layer 2 mechanism and cannot normally be used for WAC discovery across Layer 3 networks. Therefore, saying that APs can obtain the WAC address through broadcast or DHCP in this scenario is incorrect.
In Huawei WLAN deployments, Fit APs can commonly discover the WAC address through methods such as DHCP option-based discovery, DNS, or preconfigured controller information, depending on the deployment model and product features. Because the WAC and AP are not in the same Layer 2 broadcast domain in Layer 3 in-path networking, broadcast discovery is not the standard mechanism here. HCIA-Datacom stresses the difference between Layer 2 direct discovery and Layer 3 discovery methods because this affects initial AP registration, CAPWAP establishment, and troubleshooting when APs fail to go online. Understanding the discovery mechanism is essential when planning IP addressing, DHCP options, and controller placement in enterprise WLAN designs.
34. Frage
When a Huawei network device functions as an FTP server, which of the following are possible causes of an FTP client failing to log in to the FTP server? (Select all that apply)
Antwort: A,B,C,D
Begründung:
All four options are possible causes of FTP login failure, so the correct answer is A, B, C, and D.
Option A is correct because if the FTP server function is not enabled on the Huawei device, the device cannot provide FTP services and the client cannot log in. Option B is also correct because if the authorized directory is not specified for the FTP user, the user may not be able to complete login or access file services properly, depending on the FTP user configuration requirements.
Option C is correct because an FTP user account must be configured with the required username and password; otherwise, authentication cannot succeed. Option D is also correct because if the network between the FTP client and the device is unreachable, the client cannot establish the FTP connection at all.
In HCIA-Datacom troubleshooting, FTP login failure is usually checked from four aspects: service enablement, user configuration, permission or directory authorization, and network connectivity.
This question tests standard remote maintenance troubleshooting logic for file transfer services on Huawei network devices.
35. Frage
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