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Huawei H12-811_V2.0 Exam Overview:

Certification Vendor:Huawei
Exam Name:HCIA-Datacom V2.0
Exam Number:H12-811_V2.0-ENU
Exam Duration:90 minutes
Passing Score:600/1000
Available Languages:Chinese, English
Related Certifications:HCIA-Datacom
Certificate Validity Period:3 years
Real Exam Qty:60
Exam Price:$200 USD
Exam Format:Multiple-response, Simulation, Multiple-choice, Drag-and-drop
Sample Questions:Huawei H12-811_V2.0 Sample Questions
Exam Way:Available at Pearson VUE test centers (offline) or online proctored exam.
Pre Condition:No prerequisites required; candidates can register directly.
Official Syllabus URL:https://e.huawei.com/en/talent/cert/#/cert/Details/68381b0d8e534a6a9339761047279030

>> Latest H12-811_V2.0 Practice Questions <<

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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
Topic 2
  • Data Center Network Basics: Covers the architecture and key technologies used in modern data center networks including virtualization and high-availability design concepts.
Topic 3
  • Network O&M and Troubleshooting: Covers network operation and maintenance practices, common diagnostic tools, and methodologies for identifying and resolving network faults.
Topic 4
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.

Huawei HCIA-Datacom V2.0 Sample Questions (Q23-Q28):

NEW QUESTION # 23
Assume that the IPv6 address of GE0/0/0 on R1 is 2001:db8:12::1/64. Which of the following is the solicited- node multicast address of this IPv6 address?

Answer: C

Explanation:
An IPv6 solicited-node multicast address is automatically derived from the lower 24 bits of a unicast or anycast IPv6 address. The fixed solicited-node prefix is FF02::1:FF00:0/104. The interface address in the question is 2001:db8:12::1. Its final 24 bits are 000001 in hexadecimal representation. Combining those 24 bits with the solicited-node multicast prefix produces FF02::1:FF00:1. This multicast address is used by IPv6 Neighbor Discovery for functions such as address resolution and Duplicate Address Detection, reducing the need to disturb every host on the local link in the way an IPv4 ARP broadcast does. FF02::1 is the all-nodes link-local multicast address and FF02::2 is the all-routers link-local multicast address, so neither represents the solicited-node group for this interface. Option A contains unrelated lower-order bits and does not correspond to the source address. Therefore the derived solicited-node multicast address is FF02::1:FF00:1, making option C correct.


NEW QUESTION # 24
In the figure, both PC1 and PC2 belong to VLAN 10. Interface GE1/0/1 on SW1 is a trunk interface with the default PVID, and interface GE1/0/2 on SW1 is an access interface in VLAN 10.
Which of the following statements are true about the forwarding of data frames between PC1 and PC2? (Select all that apply)

Answer: A,D

Explanation:
When a switch receives an untagged frame from a user host on an access interface, it associates that frame with the VLAN configured on the interface. In this scenario, PC1 and PC2 are in VLAN
10, and GE1/0/2 is an access interface in VLAN 10. After SW1 receives the frame from PC1, it internally associates the frame with VLAN 10, so option A is correct in the practical VLAN- processing sense used in HCIA-Datacom questions.
When the frame is forwarded out an access interface toward PC2, the switch sends it without a VLAN tag, because end hosts normally do not process 802.1Q tags. Therefore, option D is correct.


NEW QUESTION # 25
The undo command can be used in the CLI of a Huawei device to restore default settings, disable functions, or delete configurations. Which of the following are correct undo commands? (Select all that apply)

Answer: B,C,D

Explanation:
On Huawei devices, the undo command is used to remove a previously applied configuration, disable a function, or restore a parameter to its default state. In option B, undo ip address is a valid interface-view command that removes the IP address configured on the interface. In option C, undo portswitch is also a valid interface command on switch interfaces that converts a Layer 2 interface into a Layer 3 interface when supported by the device. In option D, undo sysname restores the device name to the default hostname, which is valid in system view.


NEW QUESTION # 26
OSPF supports the division of a network into areas, each identified by an area ID that ranges from 0 to 255. Area 0 is designated as the backbone area.

Answer: B

Explanation:
This statement is false because although Area 0 is indeed the backbone area, the statement about the area ID range is incorrect. In OSPF, the area ID is a 32-bit value, which can be represented either in decimal format or in IPv4 address format such as 0.0.0.0. It is not limited to the numeric range 0 to 255.
For example, an area can be configured as 0, 1, 100, or in dotted-decimal form such as 0.0.0.1 or
0.0.0.10, depending on implementation and configuration style. HCIA-Datacom teaches that OSPF uses hierarchical area design to improve scalability, reduce SPF calculation scope, and optimize LSA flooding. The backbone area, which is Area 0, serves as the transit area connecting all non-backbone areas in a standard OSPF design. Therefore, the second part of the statement is correct, but the first part is wrong, making the entire statement false. This question tests whether the learner understands both the function of Area 0 and the actual format of OSPF area identifiers.


NEW QUESTION # 27
Enabling STP and configuring the core device as the root bridge is recommended, even if no physical loop exists on the switched network. This prevents Layer 2 loops caused by incorrect connections between devices and avoids network reconvergence caused by root bridge preemption.

Answer: A

Explanation:
Enabling STP (Spanning Tree Protocol) and configuring a core switch as the root bridge is a best practice in Layer 2 network design, even when no physical loop currently exists. It helps prevent potential loops caused by miswiring or topology changes and ensures stable topology control by avoiding unexpected root bridge elections or preemption events that could trigger reconvergence.


NEW QUESTION # 28
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