H12-891_V1.0 Exam Questions
768 real H12-891_V1.0 exam questions with expert-verified answers and explanations. Page 3 of 16.
- Question #101Network Operation and Maintenance and Troubleshooting
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...
network monitoringmanagement planedata planeOAM platform - Question #102QoS and Network Security
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...
SSH authenticationSSH_MSG_USERAUTH_REQUESTsession IDuser authentication - Question #103SDN and Network Automation
The NETCONF protocol provides a mechanism for managing network devices. Which of the following layers can it be divided into?
NETCONF protocolprotocol layersnetwork managementsecure transport - Question #104Advanced IP Routing and Multicast
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...
BGP route propagationiBGP split-horizonroute reflectorBGP topology - Question #105QoS and Network Security
The value range of DSCP is 0~63, and some of the values have proprietary names. Which of the following DSCP values represents EF?
DSCPEF Expedited ForwardingQoS markingdifferentiated services - Question #106QoS and Network Security
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...
QoS CARCIR PIRtraffic policingbandwidth guarantee - Question #107Advanced IP Routing and Multicast
As shown in the figure, all routers in the figure run the OSPF protocol. Which of the following descriptions is correct?
OSPF Router LSAABRmulti-area OSPFLSA flooding - Question #108MPLS and VPN Technologies
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?
LDP remote sessionLSR-IDMPLS LDPtargeted LDP - Question #109QoS and Network Security
Which of the following descriptions of the SP scheduling algorithm is wrong?
SP schedulingstrict priority queueQoS schedulingbandwidth starvation - Question #110Advanced IP Routing and Multicast
In order to publish IPv6 routes in BGP4+, what fields are added to the Update message?
BGP4+MP_REACH_NLRIIPv6 multiprotocol BGPUpdate message - Question #111Advanced IP Routing and Multicast
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...
BGP4+Next_Hop attributeIPv6 unicast addressroute attributes - Question #112Advanced IP Routing and Multicast
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...
BGP route reflectordual RRCluster IDRR redundancy - Question #113Network Architecture and Design
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...
VRRPGateway RedundancyVRID ScopeLoad Balancing - Question #114Data Center Network Technologies
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...
VXLANInner/Outer EncapsulationARP in Overlay NetworksVTEP Forwarding - Question #115QoS and Network Security
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?
access_controlauthorization_mechanismsnetwork_securityauthentication_framework - Question #116SDN and Network Automation
In Huawei SD-WAN solution, which of the following networks does the management channel access the iMaster NCE WAN controller?
SD-WAN architectureUnderlay networkManagement channelController access - Question #117SDN and Network Automation
Compared with traditional networks, SD-WAN can better ensure application experience. Which of the following is the main reason?
SD-WANapplication QoSrouting policyWAN optimization - Question #118Network Architecture and Design
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...
GRE tunnelpacket encapsulationtunnel routingICMP ping - Question #119MPLS and VPN Technologies
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?
SRv6L3VPNEndpoint FunctionsSID Allocation - Question #120MPLS and VPN Technologies
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?
L3VPNSRv6BGP routingPE configuration - Question #121SDN and Network Automation
The network administrator enters display telemetry destination on the device to view Telemetry related information. The following is displayed. Which of the following descriptions...
TelemetrygRPCstreaming telemetryVPN encapsulation - Question #122SDN and Network Automation
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...
REST APINorthbound InterfacesSDNAPI Decoupling - Question #123MPLS and VPN Technologies
Which of the following descriptions of Multi-VPN-Instance CE (MCE) is wrong?
MCE Multi-VPN-Instance CEVPN isolationBGP MPLS VPNphysical link - Question #124Network Operation and Maintenance and Troubleshooting
Which of the following does not belong to the operation process in the middle stage of cutover?
network cutoverO&M processchange managementcutover stages - Question #125QoS and Network Security
In the data header, which of the following fields cannot be used for simple flow classification?
flow classificationDSCP802.1PEXP field - Question #126Advanced IP Routing and Multicast
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...
OSPF cost calculationinter-area metricSPF algorithmLoopback advertisement - Question #127Network Operation and Maintenance and Troubleshooting
What is the default aging time of Huawei switch MAC address table?
MAC address tableaging timeswitch configurationLayer 2 switching - Question #128SDN and Network Automation
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?
DHCP Option 148Device BootstrappingAutomated ProvisioningManagement Connectivity - Question #129MPLS and VPN Technologies
Which of the following descriptions about BGP/MPLS IP VPN data forwarding is wrong?
BGP MPLS VPNlabel stackPHP penultimate hop poppingdata forwarding - Question #130Advanced IP Routing and Multicast
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...
OSPFv3IPv6 routingloopback interfaceOSPF process - Question #131QoS and Network Security
In a firewall dual-machine hot backup scenario, which of the following types of packets require security policy configuration?
firewall high availabilitysecurity policiesdual-machine backupDHCP - Question #132Advanced IP Routing and Multicast
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...
BGP Route ReflectionBGP Cluster BehaviorRoute PropagationRR Topology - Question #133MPLS and VPN Technologies
Which of the following descriptions of 6PE and 6VPE is correct?
6PE and 6VPEIPv6 VPNVPN instance managementIPv6 address reusability - Question #134Network Architecture and Design
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?
Firewall High AvailabilityVGMP Load BalancingDual-Machine Hot BackupRedundancy - Question #135MPLS and VPN Technologies
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...
LDPSession EstablishmentError NotificationProtocol Negotiation - Question #136Advanced IP Routing and Multicast
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?
OSPFv3LSA TypesIPv6 RoutingArea Border Routers - Question #137QoS and Network Security
By default, which of the following secure MAC address types will be lost after the device is restarted?
Secure MAC typesDynamic MAC learningPort securityMAC persistence - Question #138Advanced IP Routing and Multicast
Based on the information given in the figure, which of the following descriptions is correct?
IS-IS routingdevice types/levelsIS-IS authentication - Question #139QoS and Network Security
Which of the following technologies can be used to isolate different users in the same VLAN?
port isolationVLAN isolationLayer 2 securityuser segregation - Question #140Data Center Network Technologies
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?
VXLANARP proxydistributed gatewayVTEP - Question #141Network Architecture and Design
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...
network topologypartial-mesh designbranch interconnectioncampus scalability - Question #142Network Architecture and Design
In Huawei's SD-WAN solution, which of the following routing protocols are used to transmit VPN routes between CPEs?
SD-WANBGPVPN RoutesCPE Routing - Question #143MPLS and VPN Technologies
Which of the following descriptions of the GRE security mechanism is wrong?
GRE tunneltunnel securitychecksumkeyword authentication - Question #144Network Architecture and Design
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?
Branch PEWAN AccessNetwork TopologyProvider Edge - Question #145Network Architecture and Design
When selecting core layer equipment for an enterprise wide area bearer network, which of the following factors does not need to be considered?
core layer equipmentWAN designnetwork capacity planningdesign considerations - Question #146QoS and Network Security
NQA is a real-time network performance detection and statistics technology. NQA does not support statistics on which of the following network information?
NQA (Network Quality Analysis)Network performance metricsLink MTU vs dynamic metricsNetwork monitoring - Question #147Network Architecture and Design
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...
VXLAN fabricBorder nodeBGP EVPNcampus network design - Question #148WLAN and IoT Technologies
After a wireless user passes Portal authentication, which of the following parameters is not supported for authorization to the user?
Portal AuthenticationWLAN AuthorizationAccess ControlWireless Security - Question #149WLAN and IoT Technologies
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...
wireless QoSuser-based rate limitingSSIDcampus wireless - Question #150Network Architecture and Design
In the virtualized campus network design, which one of the following descriptions about Fabri c networking design is wrong?
VXLAN OverlayVirtualized Campus NetworkGateway ArchitectureFabric Networking