H12-891_V1.0 Exam Questions

In the small and medium-sized cloud management campus network scenario based on Huawei Cloud Campus Network Solution, which of the following components does the cloud management pl...

Which of the following protocols is used for southbound management of Huawei iMaster NCE- WAN controller?

In Huawei's SD-WAN solution, which of the following protocols is used to report device performance data?

All routers in a network enable the SR-MPLS function based on OSPF. By default, when R3 forwards a packet with the destination address 10.0.4.4, its MPLS label is as shown in the f...

Assume that there are 5 Segment IDs in the SRH of an SRv6 message. When the message reaches the third End Point node, which of the following values does the SL field in the SRH tak...

Which technology does not support SR-MPLS?

In a VXLAN network, similar to how traditional networks use VLAN to divide broadcast domains, VXLAN locally identifies broadcast domains according to which of the following?

In a virtualized campus network deployed through iMaster NCE-Campus, during the "network planning" stage, which of the following is not an operation that the administrator needs to...

SRv6 completes hop-by-hop forwarding of packets by inserting a routing extension header SRH into IPv6 packets. Which of the following descriptions about the SRH extension header is...

Assume that there are 5 Segment IDs in the SRH of an SRv6 message. When the message is sent from the third End Point, the node will set the Segment ID numbered as which of the foll...

In the wide-area bearer network optimization scenario, after the controller performs path calculation, you can choose whether to apply the calculation results to the network. Which...

Which of the following descriptions of the HTTP protocol is wrong?

Huawei provides Python script templates for OPS functions. The main method code in the script template is as follows. Which of the following descriptions is wrong?

As shown in the figure, the OSPF protocol is enabled on all interfaces of the router. Which of the following descriptions is correct?

When troubleshooting the EBGP neighbor relationship, the network administrator found that two directly connected devices used Loopback ports to establish connections, so they ran d...

Which of the following is an LSA that floods the entire autonomous system in OSPFv3?

On VTEP1, the information shown in the figure is displayed through the command. Which of the following descriptions is correct?

The engineer wants to collect the Telemetry sampling data of the device through gRPC communication, and defines the serve function in the Python script, as detailed below. Which of...

There are many protocols that can change or obtain network device data. Which of the following protocols cannot be used to change network device data?

During the static subscription process of Telemetry, the network manager samples the subscription configuration delivered by the device. Regarding the sampling path of huawei debug...

Telemetry data subscription defines the interactive relationship between the data sender and the data acquirer. Which of the following does not belong to the process of Telemetry s...

The management objects of Huawei network equipment OPS (Open Programmability System) are accessed through standard HTTP methods. If you want to request a network device to modify t...

The engineer wanted to log in to Huawei equipment remotely. When writing the SSH Python script, he used the Paramiko library to write the following code: cli.ssh.invoke_shell() cli...

Telemetry is a technology that collects data remotely from physical devices or virtual devices at high speed. The Telemetry protocol stack has multiple layered structures. Which of...

In the request header field of the HTTP request message, which of the following fields is used to identify the MIME type?

The engineer calls the RESTful interface to create a resource. When the resource is created successfully, the server will not return which of the following status codes?

Python Paramiko implements the SSH protocol. In the Python Paramiko module, which of the following classes is used to create an SFTP session connection and perform remote file oper...

NETCONF protocol provides a mechanism for managing network devices. It defines a series of operations. Which of the following descriptions of NETCONF operations is wrong?

As shown in the figure, in the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, which of the following RT values is carried by the BGP EVPN Type2 route sent by...

In VXLAN implementation, which of the following is the mapping relationship between VNI and BD?

Which of the following tunneling technologies does Huawei SD-WAN solution use to establish data channels?

The high reliability of equipment ensures the effective operation of the network. Which of the following methods cannot improve equipment reliability?

In the network design scenario of large and medium-sized virtualized campuses, which of the following descriptions about VN design is wrong?

Which of the following is not a core role in business travel?

The authentication point and the policy execution point may not be the same device. If the policy execution point is not the authentication point, the corresponding relationship be...

In a VXLAN network, which of the following is used to implement cross-subnet communication within the VXLAN network and for the VXLAN network to access external networks (non-VXLAN...

An enterprise has multiple links and hopes to make full use of the line bandwidth and perform load balancing based on the link bandwidth. Which of the following intelligent routing...

All routers in a network enable the SR-MPLS function based on OSPF. The SRGB of each router is as shown in the figure. By default, when R2 forwards a data packet with the destinati...

In Huawei's SD-WAN networking solution, which one of the following descriptions of the dual-hub active-active design solution in the Hub-Spoke networking scenario is wrong?

In Huawei's SD-WAN solution, how many CPEs can a site support at most?

SR-MPLS Policy is one of the current mainstream ways to implement SR-MPLS. Which of the following descriptions of SR-MPLS Policy is wrong?

Which of the following descriptions about SR MPLS BE and SR-MPLS TE is correct?

Which of the following commands can be used to adjust the IS-IS interface link cost value?

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 descriptions about OSPF neighbor relationship failures is wrong?

OSPFv2 is an IGP running on an IPv4 network, and 0SPFv3 is an IGP running on an IPv6 network. OSPFv3 has the same packet types as OSPFv2, including Hello packets, DD packets, LSR p...

A certain campus network has deployed the business mobility function through ilaster NCE Campus. The configured policy control matrix is as shown in the figure. Which of the follow...

In addition to indicating the priority, the DSCP value can also indicate the discard rate. Which of the following DSCP values should have the highest discard rate?

Which of the following descriptions about IPSG is wrong?

When using EVPN to carry VPLS, which of the following descriptions about the advantages of EVPN is wrong?