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| Section | Weight | Objectives |
|---|---|---|
| Data Communication Network Basics | 10% | - OSI and TCP/IP protocol models and functions of each layer - TCP/UDP principles - Basic concepts and life cycle of campus network - ARP principles - Data forwarding process - Basic principles and operations of VRP (Versatile Routing Platform) - Basic network concepts, IP network architecture, and standardization organizations |
| WLAN Technology Basics | 10% | - WLAN RF fundamentals (channels, bands) - WLAN networking architecture (AC + AP) - WLAN basic configuration and troubleshooting - WLAN overview and 802.11 standards |
| Data Center Network Basics | 5% | - Data center fabric concepts (VXLAN, SDN) - Cloud computing and virtualization basics - Data center network architecture overview |
| Typical Campus Networking Solution | 5% | - Campus network architecture design - Network reliability and redundancy design - Hierarchical network model (core, aggregation, access) - Typical campus network deployment scenarios |
| Network O&M and Troubleshooting | 10% | - Common network fault diagnosis - Network documentation and baselining - Troubleshooting methodology and process - Network maintenance tools (ping, tracert, display commands) |
| Network Security and Services | 15% | - Network security overview - AAA (Authentication, Authorization, Accounting) - FTP / TFTP and file management - IPsec VPN fundamentals - Network management protocols (SNMP, NTP) - Firewall basics and security zones |
| Ethernet Technology Basics | 20% | - Ethernet overview and frame structure - STP / RSTP / MSTP spanning tree protocols - Link aggregation (LACP) - VLAN principles and configuration - MAC address table and forwarding - VLAN intercommunication (sub-interface, VLANIF) |
| IP Technology Basics | 25% | - DHCP principles and configuration - ICMP protocol - IPv4 addressing and subnetting - Static routing and default routing - ACL (Access Control List) - NAT (Network Address Translation) - OSPF fundamentals (single-area) - IPv6 basics and address types |
>> H12-811_V2.0 Exam Actual Questions <<
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NEW QUESTION # 104
Drag and Drop Question
On the network shown in the figure, PC1 and PC4 belong to VLAN 10, and PC2 and PC3 belong to VLAN 20. The administrator has configured the vlan batch 10 20 command on both switches.
To enable Layer 2 communication between PCs in the same VLAN and isolate services between VLANs, match the following interface configurations with interfaces. (Token is reusable)
Answer:
Explanation:
Explanation:
SW1 GE1/0/1 - port link-type access, port default vlan 10
SW1 GE1/0/2 - port link-type access, port default vlan 20
SW1 GE1/0/3 - port link-type hybrid, port hybrid tagged vlan 10 20
SW2 GE1/0/1 - port link-type access, port default vlan 10
SW2 GE1/0/2 - port link-type access, port default vlan 20
SW2 GE1/0/3 - port link-type hybrid, port hybrid tagged vlan 10 20
Ports connected to PCs are configured as access ports and assigned to their respective VLANs to ensure correct VLAN separation. The inter-switch link must carry traffic for both VLAN 10 and VLAN 20 simultaneously, so a hybrid port is used and configured to allow tagged traffic for both VLANs, enabling inter-switch Layer 2 communication while maintaining VLAN isolation between different services.
NEW QUESTION # 105
Which of the following are features of the OSPF protocol?
Answer: C,D
Explanation:
Option B: OSPF supports triggered updates, allowing routing tables to be updated only when changes occur, conserving bandwidth.
Option D: OSPF supports area division, which is essential for optimizing large networks and limiting the scope of link-state advertisements.
NEW QUESTION # 106
Given the following routing table, what is the source IP address used by R1 when sending an ICMP packet to ping 10.0.3.3?
Answer: B
Explanation:
When R1 sends an ICMP echo request, it selects the outgoing interface based on the routing table. The route to 10.0.3.3 uses the next hop 10.0.23.3 via GE0/0/2. Huawei devices use the IP address of the egress interface as the source IP for locally generated packets. GE0/0/2 has the address 10.0.23.2, so this is used as the source IP.
NEW QUESTION # 107
When deploying a WLAN with the WAC + Fit AP architecture on a customer ' s live network, you find that APs fail to go online. Which of the following are possible causes? (Select all that apply)
Answer: A,B,C,D
Explanation:
Huawei ' s HCIA-Datacom WLAN training material describes several conditions necessary for successful Fit AP onboarding.
Option A is correct because APs require IP connectivity to communicate with the WAC and establish CAPWAP tunnels.
Option B is correct because Fat APs operate independently and do not use the centralized Fit AP management architecture unless their operating mode is changed.
Option C is correct because Huawei WACs require a CAPWAP source interface or source IP address for tunnel establishment.
Option D is correct because Fit APs normally require valid IP addresses before communicating with their WAC.
The DHCP configuration must therefore provide suitable IP addressing, gateway information, and any necessary WAC discovery information.
Successful AP onboarding depends on network connectivity, appropriate AP operating mode, WAC discovery, and CAPWAP tunnel establishment.
Therefore, all four options are correct.
NEW QUESTION # 108
The figure shows the simplified topology of an enterprise campus network. On this network, the aging time of dynamic MAC address entries on switches is 300 seconds.
The administrator connects PC1 to GE1/0/1 of SW1 and successfully pings the IP address of PC2 from PC1.
Then, the administrator disconnects the Ethernet cable of PC1
from GE1/0/1 of SW1, immediately connects the cable to GE1/0/2 of SW1, and pings the IP address of PC2 from PC1. Which of the following operations does SW1 perform after receiving a data frame from PC1 when PC1 is connected to GE1/0/2 of SW1?
Answer: A
Explanation:
An Ethernet switch learns MAC address entries dynamically by examining the source MAC address of incoming frames. When SW1 first receives frames from PC1 on GE1/0/1, it creates a MAC address table entry mapping PC1's MAC address to that port. If PC1 later sends frames that arrive on GE1/0/2, SW1 updates the learned entry to reflect the new incoming interface. Therefore, option B is correct: SW1 saves the mapping between PC1's MAC address and GE1/0/2 and removes or overwrites the old mapping associated with GE1/0/1.
Option A is incorrect because a single dynamic MAC address is not normally maintained on two different ports within the same VLAN at the same time; that would cause forwarding ambiguity. Option C is incorrect because a normal move of one MAC address does not require clearing the entire MAC table. Option D is also incorrect because switches update MAC learning dynamically upon receiving new source traffic and do not have to wait for the previous entry to age out. HCIA-Datacom uses this principle to explain MAC address learning, migration, and troubleshooting of loops or host movement in switched Ethernet networks.
NEW QUESTION # 109
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