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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Datacom V2.0 |
| Exam Number: | H12-811_V2.0 |
| Exam Duration: | 90 minutes |
| Exam Format: | Drag and Drop Item, Multiple-answer Question, Short Response Item, Single-answer Question, True or False |
| Certificate Validity Period: | 3 years |
| Related Certifications: | HCIE-Datacom HCIP-Datacom |
| Exam Price: | 200 USD |
| Available Languages: | English |
| Real Exam Qty: | 60 |
| Passing Score: | 600/1000 |
| Recommended Training: | Huawei HCIA-Datacom Training Course |
| Exam Registration: | Pearson VUE Registration Huawei Official Certification |
| 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 |
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NEW QUESTION # 126
A micro-enterprise is deploying a WLAN, as shown in the figure. The WAC and Fit APs communicate with each other at Layer 3. SW2 functions as a DHCP server to assign IP addresses to Fit APs, with VLAN 100 as the management VLAN. The figure also shows part of the configuration on SW2. However, Fit APs fail to go online. Which of the following is the possible cause?
Answer: D
Explanation:
In Huawei WAC + Fit AP networking, APs must discover the WAC before establishing CAPWAP tunnels.
The HCIA-Datacom V2.0 training material explains that DHCP Option 43 can deliver the WAC ' s IP address to Fit APs during DHCP address assignment.
In the exhibit, SW2 has VLAN 100 configured, permits VLAN 100 through the trunk interface, and enables DHCP address allocation through VLANIF 100.
Therefore, the VLAN and DHCP interface configuration are present.
However, DHCP Option 43 is missing. Because the WAC and Fit APs communicate across Layer 3 boundaries, broadcast-based WAC discovery cannot operate across those boundaries.
Without another configured discovery method, the APs cannot discover the WAC and establish their CAPWAP connections.
Consequently, option C identifies the missing configuration.
NEW QUESTION # 127
On the network shown in the figure, GE1/0/1 and GE1/0/2 of SW1 are access interfaces, and their PVIDs are VLAN 2 and VLAN 3 respectively. GE1/0/1 of SW2 is also an access interface, and its PVID is VLAN 4.
Which of the following configurations on SW1 and SW2 can ensure that data packets sent from PC1 and PC2 can reach PC3?
Answer: A,D
Explanation:
PC1 and PC2 are in different VLANs on SW1, while PC3 is in VLAN 4 on SW2. To allow traffic from VLAN 2 and VLAN 3 users to reach PC3 through the inter-switch link, SW1 must be able to send frames from PC1 and PC2 toward SW2 in a form that SW2 can place into VLAN 4.
Option B is valid because a hybrid interface on SW1 can send frames from VLAN 2 and VLAN 3 untagged, and setting the PVID to VLAN 4 allows untagged inbound frames on the peer side to be associated appropriately when matched with the SW2 configuration. Option C is also valid because configuring SW2's GE1/0/3 as a trunk allowing VLAN 4 and setting its PVID to VLAN 4 means untagged frames arriving from SW1 are treated as belonging to VLAN 4 and can then be forwarded to PC3 through its access interface.
Option A is incomplete because only configuring SW2 does not solve the VLAN handling on SW1. Option D is incorrect because a trunk on SW1 would send VLAN 2 and VLAN 3 frames tagged, which would not match the VLAN 4-only expectation on SW2 in this scenario.
NEW QUESTION # 128
Which of the following database types are supported by NETCONF? (Select all that apply)
Answer: B,C,D
Explanation:
The HCIA-Datacom V2.0 Training Material identifies three standard NETCONF configuration datastores:
running, candidate, and startup.
The < running/ > datastore contains the currently effective configuration of a network device. Configuration changes made directly to this datastore take effect immediately.
The < candidate/ > datastore contains proposed configuration changes that do not become effective until they are committed to the running configuration.
The < startup/ > datastore stores configuration information that will be loaded when the device starts. It allows devices to retain the required configuration across restarts.
These datastores support controlled configuration management and automation through NETCONF operations.
The < backup/ > datastore is not one of the three standard NETCONF configuration datastores identified in the Huawei training material.
Therefore, options A, B, and C are correct.
NEW QUESTION # 129
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, which of the following ports are alternate ports? (Choose all that apply.)
Answer: A,D
Explanation:
To find the alternate ports, we first identify the quickest path to the root bridge, SW1, for every other switch. SW2 reaches the root directly through its top port with a cost of 30. SW3 has the fastest direct path with a cost of 10. SW4 calculates that going through SW3 is cheaper than going directly to the root, giving it a total root cost of 40. SW5 finds its best path by going through SW4, resulting in a total root cost of 50. All of these preferred entry points become Root Ports.
Next, we look at the remaining open links to see which ports must be blocked to prevent loops.
On any connection between two switches, the switch that is further away from the root bridge loses the battle and has to block its port, turning it into an Alternate Port.
When comparing the cross-link between SW1 and SW4, SW1 is the root bridge itself, so SW4 loses this matchup and blocks its GE1/0/3 port. Looking at the link between SW3 and SW5, SW3 is much closer to the root bridge with a cost of 10 compared to SW5's cost of 50, which forces SW5 to block its GE1/0/1 port. On the remaining links, SW2 forces SW4 to block its GE1/0/2 port, and SW3 forces SW2 to block its GE1/0/3 port.
Matching these blocked paths to the given choices leaves us with GE1/0/3 of SW4 and GE1/0/1 of SW5 as the alternate ports.
NEW QUESTION # 130
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 # 131
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