H12-891_V1.0 Exam Questions

Unified monitoring and performance management of network equipment are important functions of the operation and maintenance platform. The device's monitoring data does not include...

It is known that the SSH client uses username and password authentication. During the user authentication phase, the SSH client sends an SSH_MSG_USERAUTH_REQUEST message. This mess...

The NETCONF protocol provides a mechanism for managing network devices. Which of the following layers can it be divided into?

Assume that the neighbor relationship between BGP routers has been successfully established, and the configuration on R1 is as shown in the figure. Then to which router can the rou...

The value range of DSCP is 0~63, and some of the values have proprietary names. Which of the following DSCP values represents EF?

A certain operator's home broadband service requirements are as follows. The maximum downlink bandwidth of the broadband is 100M when idle, and the guaranteed available downlink ba...

As shown in the figure, all routers in the figure run the OSPF protocol. Which of the following descriptions is correct?

In the network as shown in the figure below, a remote LDP session between SWA and SWC needs to be implemented. Which of the following descriptions is correct?

Which of the following descriptions of the SP scheduling algorithm is wrong?

In order to publish IPv6 routes in BGP4+, what fields are added to the Update message?

An engineer used two routers to conduct IPv6 service testing and simulated the interconnection between the headquarters and branches by running BGP4+. The network logical topology...

As shown in the figure, in medium-sized networks, in order to improve the reliability of BGP RR, dual RRs are generally deployed. When deploying dual RRs, the Cluster IDs of the tw...

As shown in the figure, the gateway of the PC is located on the aggregation switch. If you want to implement load sharing on the gateway device, which of the following descriptions...

PC1 has learned the ARP information of PC2. When the ARP request sent by PC1 for PC2 is forwarded by VTEP1 to VTEP2, which of the following is the destination MAC address of the in...

When configuring access authentication, you need to define various contents authorized to the user in the authorization result. Which of the following does not include?

In Huawei SD-WAN solution, which of the following networks does the management channel access the iMaster NCE WAN controller?

Compared with traditional networks, SD-WAN can better ensure application experience. Which of the following is the main reason?

As shown in the figure, R1 and R2 establish a GRE tunnel, and execute "Ping -a 10.1.1.1 10.3.1.1" on R1. At this time, the description of the ICMP message sent from the GE0/0/1 int...

As shown in the figure is the networking topology of L3VPN Over SRv6 BE. Then R1 and R4 need to allocate which of the following types of SIDs to CE1 and CE2?

As shown in the figure, a certain L3VPN Over SRv6 BE network is used. According to the information displayed on PE2, which one of the following descriptions is wrong?

The network administrator enters display telemetry destination on the device to view Telemetry related information. The following is displayed. Which of the following descriptions...

There are many types of northbound interfaces, from SMP, CORBA, SNMP to REST, which can be said to be in full bloom. However, the northbound interfaces of various devices are gradu...

Which of the following descriptions of Multi-VPN-Instance CE (MCE) is wrong?

Which of the following does not belong to the operation process in the middle stage of cutover?

In the data header, which of the following fields cannot be used for simple flow classification?

As shown in the figure, the OSPF protocol is enabled on all interfaces of the router. The cost value of the link is marked in the figure. The Loopback0 interface of R2 is advertise...

What is the default aging time of Huawei switch MAC address table?

When using DHCP Option 148 to deploy a switch, the DHCP server will not provide which of the following information to the switch to be deployed?

Which of the following descriptions about BGP/MPLS IP VPN data forwarding is wrong?

An engineer uses two routers to conduct IPv6 service testing and runs OSPFv3 to realize the interconnection of IPv6 networks. It is required that R1 can access the loopback interfa...

In a firewall dual-machine hot backup scenario, which of the following types of packets require security policy configuration?

As shown in the figure, Client1 and Client2 serve as clients of RR1 and RR2 at the same time. RR1 and R2 are in the same Cluster, and R1 has introduced 10 routes. Assuming that BGP...

Which of the following descriptions of 6PE and 6VPE is correct?

In the firewall dual-machine hot backup scenario, each firewall has a VGMP group. By default, the VGIMP group is in which of the following working states?

During the LDP session establishment process, the active party will first send Initialization information to negotiate parameters. If the passive party does not accept the negotiat...

In the topology shown in the figure, the entire network runs the OSPFv3 protocol. Without external routes being imported, which type of LSA will not be generated on R1?

By default, which of the following secure MAC address types will be lost after the device is restarted?

Based on the information given in the figure, which of the following descriptions is correct?

Which of the following technologies can be used to isolate different users in the same VLAN?

As shown in the figure, VTEP1 has enabled the arp distribute-gateway enable command in VBDIF20. Which of the following ARP entries exist on the VTEP1 ARP table?

In the design of small and medium-sized campus networks, when branches need to communicate with each other and the number of branches is large (more than a hundred), which of the f...

In Huawei's SD-WAN solution, which of the following routing protocols are used to transmit VPN routes between CPEs?

Which of the following descriptions of the GRE security mechanism is wrong?

As shown in the figure is a typical network of "two places and three centers". Which device in the figure is responsible for branch offices accessing the wide area bearer network?

When selecting core layer equipment for an enterprise wide area bearer network, which of the following factors does not need to be considered?

NQA is a real-time network performance detection and statistics technology. NQA does not support statistics on which of the following network information?

In a virtualized campus network scenario based on Huawei Cloud Campus Network Solution, node design needs to be considered when planning the fabric. Which of the following descript...

After a wireless user passes Portal authentication, which of the following parameters is not supported for authorization to the user?

In the small and medium-sized campus scenario of Huawei Cloud Campus Network Solution, multiple rate limiting methods are supported for wireless users. Which of the following metho...

In the virtualized campus network design, which one of the following descriptions about Fabri c networking design is wrong?