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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.
Topic 2
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
Topic 3
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.
Topic 4
  • Network O&M and Troubleshooting: Covers network operation and maintenance practices, common diagnostic tools, and methodologies for identifying and resolving network faults.
Topic 5
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Topic 6
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Topic 7
  • Data Communication Network Basics: Covers foundational concepts of data communication networks including network types, reference models (OSI
  • TCP-IP), and basic device roles.

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Huawei HCIA-Datacom V2.0 Sample Questions (Q118-Q123):

NEW QUESTION # 118
The configuration of an interface on a switch is shown below. When a data frame carrying the VLAN 20 tag is sent out through this interface, how does the switch process the data frame?

port link-type hybrid
port hybrid untagged vlan 10
port hybrid tagged vlan 20
port hybrid pvid vlan 10

Answer: A

Explanation:
Huawei hybrid interfaces support tagged and untagged frame forwarding, allowing administrators to control how frames associated with different VLANs leave a switch.
The command port hybrid untagged vlan 10 specifies that frames belonging to VLAN 10 are transmitted without an 802.1Q VLAN tag.
The command port hybrid tagged vlan 20 specifies that frames belonging to VLAN 20 retain their VLAN identification during transmission.
Therefore, when a frame associated with VLAN 20 leaves this interface, the switch forwards it with its VLAN
20 tag intact.
The command port hybrid pvid vlan 10 determines the default VLAN classification for untagged frames received on the interface. It does not require outgoing VLAN 20 frames to be converted into VLAN 10 frames.
Consequently, option D correctly describes the interface ' s egress behavior.


NEW QUESTION # 119
Which of the following commands can be used to check OSPF routes in the global routing table?

Answer: B

Explanation:
To check OSPF-learned routes in the global IP routing table, the correct command is display ip routing-table protocol ospf, so option A is correct. This command filters the routing table and shows only the routes whose source protocol is OSPF. It is especially useful when verifying whether OSPF-learned routes have been successfully installed into the forwarding table after neighbor establishment and LSDB calculation.


NEW QUESTION # 120
Drag and Drop Question
ACLs can be classified into basic ACLs, advanced ACLs, and Layer 2 ACLs based on the rule type. Drag the ACL rules to the correct positions.

Answer:

Explanation:

Explanation:
Basic ACL โ†’ Defines packet filtering rules based on source IPv4 addresses, fragment information, and effective time ranges.
Advanced ACL โ†’ Defines packet filtering rules based on source/destination IPv4 addresses, IP protocol types, TCP/UDP port numbers, fragment information, and effective time ranges.
Layer 2 ACL โ†’ Defines packet filtering rules based on Ethernet frame headers such as MAC addresses, VLAN IDs, and Layer 2 protocol types.
Basic ACLs operate mainly on source IP-related criteria. Advanced ACLs provide extended filtering using Layer 3 and Layer 4 information such as destination IPs and port numbers. Layer 2 ACLs work at the Ethernet frame level and filter traffic based on MAC addresses, VLAN IDs, and other Layer 2 fields.


NEW QUESTION # 121
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.

Answer: A

Explanation:
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.


NEW QUESTION # 122
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 # 123
......

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