Huawei H12-891_V1.0-ENU Practice Exams
Last updated on Oct 22,2026- Exam Code: H12-891_V1.0-ENU
- Exam Name: HCIE-Datacom V1.0
- Certification Provider: Huawei
- Latest update: Oct 22,2026
During the implementation of Wi-Fi-based location services in iMaster NCE-Campus, terminal data is reported to the location service platform through HTTP requests. Which of the following HTTP methods does this HTTP request use?
- A . PUT
- B . POST
- C . GET
- D . DELETE
Congestion avoidance technology can avoid congestion on the interface.
- A . True
- B . False
After configuring the VLAN-based MAC address flapping detection function, if the MAC address drifts, you can configure the actions taken by the interface according to requirements.
Which of the following is not a configurable action?
- A . MAC address blocking
- B . Traffic filtering
- C . Interface blocking
- D . Send an alert
After executing the reset isis all command, the IS-IS protocol process needs to be restarted and neighbors need to be re-established, but various IS-IS statistics will not be cleared.
- A . True
- B . False
In the firewall dual-machine hot backup scenario, the location, type and number of the service boards and interface cards of the active and standby devices must be the same. Otherwise, the active device will back up past information and be incompatible with the physical configuration of the standby device, causing the active device to fail. A problem occurs after the device is switched.
- A . True
- B . False
The workflow of network access control is as shown in the figure. Please match the steps with the sequence numbers one by one.


Which of the following statements about the application scenarios of the OPS function is wrong?
- A . In the scenario of using the OPS function to realize automatic deployment of empty-configured devices, the Python script is used to obtain the software and configuration file server addresses and download the system software and configuration files.
- B . Using the OPS function can reduce the impact of the network environment in some cases. For example, when transmitting collected information to the server, the Python script can implement that when the network is unavailable, the execution results will be temporarily stored in the device, and then transmitted after the network is restored. to server function
- C . The user needs to realize the function of automatically sending the configuration file to the server after the network device configuration is saved. This can be achieved by creating a timer type trigger condition through the maintenance assistant and executing the Python script regularly.
- D . Use OPS to automatically check the health status of the device
Please match the following authentication technologies with their applicable scenarios./

The following virtualized campus network is shown in the figure. In the description of the network access authentication, what are the correct options? (Multiple choice)

- A . The terminal needs to first send the identity certificate to Edge, and then Edge sends it to the authentication server.
- B . The network can provide authentication functions through the iMaster NCE-Campus built-in server
- C . For IP phone terminals, access control can be achieved by deploying 802.1X authentication.
- D . After the terminal authentication passes, the corresponding authorization information will be obtained.



