Practice Free H12-891_V1.0-ENU Exam Online Questions
Which of the following items belong to the QoS service model? (Multiple choice)
- A . Comprehensive service model
- B . Differentiated Services Model
- C . Priority service model
- D . Best effort service model
In the virtualized campus network scenario deployed through iMaster NCE Campus, we need to complete the management and deployment of a virtualized campus network through the following steps. Please sequence the following steps.

In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, BGPEVPN carries the Router MAC of the VTEP through the extended community attribute EVPN Router’s MAC Ex tended Community when transmitting routes.
- A . True
- B . False
Telemetry network model is divided into broad sense and narrow sense. What modules does narrow sense Telemetry (that is, device-level Telemetry) include? (Multiple choice)
- A . Data generation
- B . Data Subscription
- C . Data push
- D . Data source
In the test phase of cutover, which item is not a criterion to indicate that the test has been completed?
- A . Check that the network is running normally as a standard
- B . Test network business is normal as standard
- C . If the upper-layer application service test carried by the network is normal, it is a standard
- D . The configuration of the IP device is normal and the result is standard.
Which of the following options is not the discarding strategy of the cache queue?
- A . Tail discard
- B . WRR
- C . RED
- D . WRED
CE1 and CE2 belong to the same VPN, and the name of the VPN instance is vpna. Implement CE1 and CE2 interoperability through Option C method 1. To achieve this requirement, ASBR-PE1 is configured with two routing policies. For the use of policy2, please add the complete command line [ASBR-PE1-bgp] peer route-policy policy2 export.
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
In the check mark firewall dual-machine hot standby scenario, VGMP packets will not carry which of the following information?
- A . Software version of local device
- B . Whether the local device is busy
- C . Priority of the local VGMP group
- D . Status of the local VGMP group