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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Exam Price: | 200 USD |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Exam Format: | True or False, Multiple-answer Question, Single-answer Question, Drag and Drop Item, Short Response Item |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 60 |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Available Languages: | English |
| Recommended Training: | Huawei HCIA-Datacom Training Course |
| Exam Registration: | Huawei Official Certification Pearson VUE Registration |
| Sample Questions: | Huawei H12-811_V2.0 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites |
| Official Syllabus URL: | https://e.huawei.com/en/training/certification/exam/h12-811_v2.0 |
>> Valid H12-811_V2.0 Test Duration <<
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NEW QUESTION # 26
On the network shown in the figure, the interfaces connecting switches to terminals are access interfaces, and the interfaces connecting switches to each other are trunk interfaces. The administrator configures interface- based VLAN assignment. PC1 and PC3 belong to VLAN 2, and PC2 and PC4 belong to VLAN 3. Trunk interfaces allow packets from VLAN 2 and VLAN 3 to pass through and use the default PVID. The MAC address tables of switches are empty. When SW1 receives a unicast data frame sent from PC1 to PC3, through which of the following interfaces does SW1 not send the data frame?
Answer: B,D
Explanation:
PC1 and PC3 are members of VLAN 2, while PC2 and PC4 are members of VLAN 3. SW1 receives the frame from PC1 on access interface GE1/0/1 and associates it with VLAN 2. Because all switch MAC address tables are initially empty, PC3 ' s destination MAC address is unknown to SW1. The switch therefore floods this unknown unicast frame only through other interfaces that can carry VLAN 2. GE1/0/3 connects to PC3 in VLAN 2, so it is a valid flood port. GE1/0/4 is a trunk that permits VLAN 2 and VLAN 3, so it is also eligible to carry the VLAN 2 frame. SW1 does not send the frame back through GE1/0/1, the ingress interface, and it does not send it through GE1/0/2 because that access port belongs to VLAN 3. Therefore, the interfaces through which SW1 does not send the frame are GE1/0/2 and GE1/0/1, corresponding to A and D.
NEW QUESTION # 27
Compared with Wi-Fi 6, Wi-Fi 7 uses which of the following technologies to improve performance?
Answer: A,B,C,D
Explanation:
Huawei ' s Wi-Fi 7 documentation describes several technologies introduced or enhanced relative to Wi-Fi 6 to increase throughput, spectrum efficiency, and reduce latency. 4096-QAM raises modulation density from the 1024-QAM maximum associated with Wi-Fi 6, allowing more bits to be carried per modulation symbol under suitable radio conditions. Multi-RU allows one user to be assigned multiple resource units, improving spectrum scheduling flexibility compared with the Wi-Fi 6 restriction of a user operating within its assigned RU. Multi-link operation allows a station to establish and use links across multiple bands or radios as a coordinated connection. Wi-Fi 7 also enhances MU-MIMO capabilities, increasing the ability to serve multiple users and exploit additional spatial resources. Huawei product documentation commonly lists 4096- QAM, multi-RU, MLO/multi-link, and enhanced MU-MIMO among Wi-Fi 7 improvements built on Wi-Fi 6.
Therefore, each technology listed in the question contributes to Wi-Fi 7 performance improvement, and the verified selection is A, B, C, and D.
NEW QUESTION # 28
FILL BLANK
On the switched network shown in the figure, STP is enabled on all devices. SW1 is the root bridge. The port costs are shown in the figure. Other parameters retain the default values. After the network is stable, the RPC value from SW5 to the root bridge is _____. (Enter only digits.)
Answer:
Explanation:
60
Explanation:
SW1 is the root bridge, so SW5's root path cost is calculated by selecting the lowest-cost path to SW1 through its neighbors.
SW5 has two possible paths:
Through SW4: SW5 → SW4 has a cost of 10. From SW4 to SW1, the lowest cost path is the direct link with cost 50. So total = 10 + 50 = 60.
Through SW3: SW5 → SW3 has a cost of 50. From SW3 to SW1, the best path is 40 (direct or via SW2), so total = 50 + 40 = 90.
The minimum path cost is 60, so SW5's RPC is 60.
NEW QUESTION # 29
Secure Shell (SSH) is a protocol that uses encryption and authentication mechanisms to implement network services, such as secure access and file transfer, securely over an insecure network. Which of the following protocols use SSH? (Select all that apply)
Answer: B,C,D
Explanation:
Several upper-layer management and file transfer protocols use SSH as their secure transport foundation.
SFTP is the SSH File Transfer Protocol and operates over SSH, making option C correct. STelnet is secure Telnet implemented over SSH, so option D is also correct. NETCONF commonly uses SSH as its transport protocol for secure configuration management and device orchestration, making option B correct as well.
Option A, DNS, does not use SSH as its normal transport protocol. Traditional DNS operates over UDP or TCP port 53, depending on the query or transfer type. Although DNS security extensions and encrypted DNS variants exist, they are not based on SSH. HCIA-Datacom emphasizes the role of SSH in secure network management because it replaces insecure plaintext protocols and provides confidentiality, integrity, and authentication. In practical Huawei enterprise deployments, SSH-based protocols are widely used for interactive device login, automated configuration delivery, and secure file operations. This question tests recognition of management protocols that inherit SSH's secure channel rather than protocols that operate independently at the application layer.
NEW QUESTION # 30
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 # 31
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