Huawei H12-891_V1.0-ENU Practice Exams
Last updated on Oct 21,2026- Exam Code: H12-891_V1.0-ENU
- Exam Name: HCIE-Datacom V1.0
- Certification Provider: Huawei
- Latest update: Oct 21,2026
Which of the following types of LSAs can carry tag information for external routes?
- A . LSA3
- B . LSA2
- C . LSA4
- D . LSA5
Huawei network equipment provides the OPS function. Which of the following commands can be used to view OPS script information that has been installed on the network equipment?
- A . check ops script
- B . check ops file
- C . display ops file
- D . display ops script
In the firewall dual-machine hot standby scenario, the business interface needs to be added to the security zone, and the heartbeat interface does not need to be added to the security zone.
- A . True
- B . False
The Router LSA information of a certain router is as shown in the figure. Which item is wrong in the following description?
- A . This router has established an adjacency relationship
- B . This router is a DR
- C . The Router ID of this router is 10.0.12.1
- D . This router supports the introduction of external routes
What are the following advantages of GRE tunnel? (Multiple choice)
- A . The GRE tunnel expands the working scope of hop-limited network protocols and supports enterprises to flexibly design network topologies.
- B . GRE tunnel can be used to build a VPN network
- C . GRE tunnel can encapsulate ARP messages
- D . GRE tunnel can encapsulate multicast data
The network administrator enters display telemetry subscription on the device to view the Telemetry subscription information. The following is displayed. Which of the following descriptions is wrong?
- A . This subscription method is static subscription
- B . The device uploads sampling data once every second
- C . The IP address of the device is 192.168.56.1
- D . The subscription name is Subl
As shown in the figure, PE1 enables the SR-MPLS function based on OSPF. Based on this, it can be inferred that the label when PE1 forwards the data packet to 10.0.3.3 is?
- A . 24001
- B . 24004
- C . 24003
- D . 3
Which of the following descriptions of the advantages of SR-MPLS are correct? (Multiple choice)
- A . SR-MPLS simplifies the control plane of MPLS networks
- B . SR-MPLS provides efficient TI-LFA FRR protection to achieve rapid recovery from path failures.
- C . SR-MPLS supports both traditional networks and SDN networks, is compatible with existing equipment, and ensures smooth evolution of existing networks to SDN networks.
- D . SR-MPLS intermediate nodes do not need to maintain path information, and there is less pressure on the device control layer.
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
What is the default lease period of the DHCP address pool?
- A . 1 month
- B . 1 hour
- C . 1 day
- D . 1 week