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Huawei H12-811_V2.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Ethernet Technology Basics: Covers Ethernet standards, switching principles, VLANs, and Layer 2 protocols used in enterprise network environments.
Topic 2
  • WLAN Technology Basics: Covers wireless LAN standards, components such as APs and ACs, WLAN architecture, and basic configuration principles.
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
  • Typical Campus Networking Solution: Covers end-to-end campus network design scenarios, integrating switching, routing, security, and wireless technologies into a unified solution.
Topic 5
  • IP Technology Basics: Covers IPv4
  • IPv6 addressing, subnetting, routing fundamentals, and common routing protocols such as OSPF, RIP, and static routing.
Topic 6
  • Network Security and Services: Covers essential network security mechanisms including ACLs, AAA, NAT, and basic firewall concepts to protect network infrastructure.

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Huawei H12-811_V2.0 Questions - Pass Exam With Ease (2026)

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Huawei HCIA-Datacom V2.0 Sample Questions (Q72-Q77):

NEW QUESTION # 72
Which of the following commands can be used to enable OSPF on the loopback interface (10.0.1.1/32) of R1?
(Select all that apply)

Answer: A,B,C,D

Explanation:
In Huawei OSPF configuration, the network command identifies interfaces whose IP addresses match the specified network address and wildcard mask.
A wildcard mask uses zero bits to indicate positions that must match exactly and one bits to indicate positions that can vary.
Option A matches only the specific address 10.0.1.1.
Option B matches all addresses within 10.0.1.0/24, including 10.0.1.1.
Option C matches the larger 10.0.0.0/16 range, which also includes the loopback address.
Option D uses a wildcard mask of 255.255.255.255, meaning that all IPv4 address bits are ignored during matching. Consequently, every eligible IPv4 interface address matches.
All four commands therefore match the loopback interface address and can enable OSPF on that interface when configured in the appropriate OSPF area.
The correct answers are A, B, C, and D.


NEW QUESTION # 73
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 # 74
Assume that the IP address of GE0/0/0 on R1 is 10.0.12.1/24. Multiple commands can be used to enable OSPF on this interface. Match the commands with their configuration views.

Answer:

Explanation:

Explanation:
ospf 1 # [R1]
area 0 # [R1-ospf-1]
network 10.0.12.1 0.0.0.0 # [R1-ospf-1-area-0.0.0.0]
ospf enable 1 area 0 # [R1-GE0/0/0]
Huawei devices support two common ways to enable OSPF on an interface.
The first method is the process-based method . In this method, you first enter system view, then enter the OSPF process view using ospf 1, so this command belongs to [R1] . After that, you enter the area view using area 0, so this command belongs to [R1-ospf-1] . Inside the area view, the command network 10.0.12.1
0.0.0.0 is used to match the interface with IP address 10.0.12.1, so it belongs to [R1-ospf-1-area-0.0.0.0] .
The second method is the interface-based method . In this method, OSPF is enabled directly under the interface using ospf enable 1 area 0, so this command belongs to [R1-GE0/0/0] .
This question tests the difference between global OSPF process configuration and direct interface OSPF enabling , both of which are standard Huawei OSPF configuration methods.


NEW QUESTION # 75
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.
Option B , display ospf peer, is used to check OSPF neighbor information and adjacency states, not the routing table. Option C , display ospf interface, shows OSPF-related parameters on interfaces such as timers, network type, and cost. Option D , display ospf routing, displays OSPF route information maintained by the OSPF process itself, but the question specifically asks about routes in the global routing table , which is the RIB used for actual forwarding decisions. HCIA-Datacom distinguishes between protocol-specific route information and the final routing table seen by the device. Understanding this distinction helps engineers verify whether a protocol has only learned topology information or has actually produced usable forwarding entries.


NEW QUESTION # 76
Drag and Drop Question
Assume that the IP address of GE0/0/0 on R1 is 10.0.12.1/24. Multiple commands can be used to enable OSPF on this interface. Match the commands with their configuration views.

Answer:

Explanation:


NEW QUESTION # 77
......

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