H12-891_V1.0 Exam Questions

In the virtualized campus network scenario deployed through iMaster NCE-Campus, which one of the following descriptions about "adding devices" is wrong?

In the scenario of dynamically establishing an SR Policy tunnel through a controller, which one of the following descriptions of the SR Policy solution architecture is wrong?

An enterprise wants to conduct centralized security control over Internet traffic. Which of the following Internet access methods is more appropriate?

When IPv6 has and only one extended header SRH (Segment Routing Header), which of the following values will be used for the Next Header field in the IPv6 basic header?

IPsec SA (Security Association, Security Association) has two generation methods, namely manual method and IKE automatic negotiation method. Which of the following descriptions of...

Which of the following statements about OSPF and IS-IS is wrong?

Four routers run IS-IS and have established adjacencies. The area numbers and router levels are marked in the figure. If route penetration is configured on the R3 device, what is t...

After the RPT tree is established, what is the wrong description about SPT switching?

In BGP4+, regarding the content of the next hop network address field carried by the MP_REACH_NLRI attribute in the Update message, which of the following descriptions is correct?

iMaster NCE-Campus Insight southbound interface realizes the connection between Campus Insight and the device, and completes the management function of Campus Insight on the device...

The IS-IS Level-1 neighbor between R3 and R4 is not established. Based on the information in this image, which of the following is a possible cause?

In Huawei's access control solution, Portal authentication does not support which of the following user authentication methods?

EVPN supports multiple service modes. In which of the following service modes, one interface can only be used by a single user?

When troubleshooting a dual-master fault in a VRRP backup group, which of the following descriptions is wrong?

In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, which of the following descriptions about the role of BGP EVPN Type5 routing is wrong?

Which of the following descriptions is unlikely to be the cause of a dual-master failure in a VRRP backup group?

In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, which of the following routes does BGP EVPN use for MAC address advertisement, ARP information advertis...

Which of the following descriptions about GRE tunnels is wrong?

The OSPF protocol is deployed in a small and medium-sized network. When checking the routing table of a certain device, it is found that only direct routes exist. Which of the foll...

YANG is a data modeling language. Which of the following descriptions about YANG is wrong?

In a virtualized network scenario deployed through iMaster NCE-Campus, after configuring user accounts, authentication and authorization need to be configured. The configuration st...

Telemetry is a technology that remotely collects data from physical or virtual devices at high speed. For the model using gRPC push, which of the following is not a component of th...

Which of the following is the Layer 3 logical interface used to implement different VXLAN virtual network communications on the VXLAN L3 Gateway?

The SID of a certain SRv6 node has functions similar to Node Segment in SR-MPLS. Which of the following instructions does this SID correspond to?

Assume that there are 5 Segment IDs in the SRH of an SRv6 message. When the message reaches the third router on the forwarding path, the node will set the Segment ID numbered as wh...

Before the SSH client uses public key authentication to connect to the SSH server, it needs to create a key pair in advance. The client uses GitBash to create a DS3 key pair. Which...

A user wrote the clear_start_info method to use the OPS function to clear the configuration file of the current network device. The code is as follows: Which of the following descr...

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?

MACsec can provide users with secure MAC layer data sending and receiving services. Which of the following items are not among the services provided by MACsec?

Which of the following is the northbound interface type of Huawei iMaster NCE-WAN controller?

iMaster NCE-Campus has certain regulatory restrictions on the RESTful API. If the client uses a GET request to call the RESTful interface to obtain site information on iMaster NCE-...

Network information collection is the prerequisite for network optimization, including network topology and interface bandwidth collection, link delay collection, and traffic stati...

In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, compared to the host ARP advertisement, when the BGP EVPN Type2 route functions as a host IP route adve...

Which of the following descriptions about configuring roaming groups is wrong?

As shown in the figure, if you want to prevent users from accessing the network through statically configured IP addresses in this network, which of the following solutions can be...

Users encounter different events during the authentication process, causing the user to be in an unsuccessful authentication state. At this time, authentication event authorization...

A virtualized campus network is deployed as shown in the figure. In this scenario, which method should be used to interconnect the Fabric with the external network?

Based on the configuration information as shown in the figure, it can be inferred how many interfaces on R4 are advertised into ISIS?

ISIS is a link state protocol that uses the SPF algorithm for route calculation. As shown in the figure, a campus network deploys both IPV4 and IPV6 and runs the ISIS protocol to a...

In the firewall dual-machine device scenario, which protocol is used to implement session table backup between the main devices?

Which of the following tools cannot be used to match BGP routing entries?

the print(r.json()) command in the Python script , and the print output is as follows: {'data': [{'token_id': 'x-eonsfw', 'expiredDate': 2020-07-07 07:30:00', 'errcode': '0', 'errm...

As shown in the picture, which of the following descriptions is wrong? The message information of the VLAN configuration delivered by the NETCONF protocol is as follows:

From an architectural point of view, Huawei's SD-WAN solution can be divided into management layer, control layer and network layer. Which of the following items belong to the devi...

iMaster NCE-Campus supports which of the following location reporting methods to implement Wi- Fi-based location services? (Multiple choice)

The following about OSPF Router LSA and Network, Which items are wrong in the description of LSA? (Multiple choice)

IS- IS supports multiple instances and multiple processes. Which of the following descriptions of IS- IS multi-instance and multi-process are correct? (Multiple choice)

MPLS stands for Multi-Protocol Label Switching. Which of the following descriptions of labels in MPLS are correct? (Multiple choice)

In Huawei's SD-WAN solution, which of the following are the application optimization functions? (Multiple choice)

Which of the following descriptions about traffic shaping are correct? (Multiple choice)