H12-891_V1.0 Exam Questions
768 real H12-891_V1.0 exam questions with expert-verified answers and explanations. Page 10 of 16.
- Question #451Advanced IP Routing and Multicast
IPv6 is deployed in a campus for business testing. There are 4 routers in the network. OSPFv3 is run to realize the interconnection of IPv6 networks. As shown in the figure, an eng...
OSPFv3Link LSALSDBIPv6 prefix - Question #452MPLS and VPN Technologies
Which of the following descriptions of SR-MPLS Policy candidate paths are correct? (Multiple choice)
SR-MPLS Policycandidate pathsSegment Listload sharing - Question #453SDN and Network Automation
The OPS (Open Programmability System) function of Huawei network equipment provides open programmability of network equipment and empowers users with secondary development capabili...
OPSPython scriptingRESTful APInetwork programmability - Question #454QoS and Network Security
Which packets can Huawei equipment perform traffic suppression on? (Multiple choice)
traffic suppressionbroadcastmulticastunknown unicast - Question #455MPLS and VPN Technologies
Which of the following descriptions of the MPLS forwarding mechanism are correct? (Multiple choice)
MPLS forwardingFIB tableTunnel IDlabel switching - Question #456Advanced IP Routing and Multicast
As shown in the picture, four routers run IS-IS. They are all Level1-1-2 routers. The area numbers are as shown in the picture. Which of the following statements is correct? (Multi...
IS-ISneighbor relationshipLevel-1Level-2 - Question #457QoS and Network Security
There is a Linux SSH server in the current network. The network administrator uses his own PC SSH to log in to the server for the first time and receives the following information....
SSH authenticationhost key verificationasymmetric cryptographyPython Paramiko - Question #458SDN and Network Automation
In the virtualized campus network scenario deployed through IMaster NCE-Campus, when creating the Fabric's external network, which of the following parameters need to be configured...
IMaster NCE-CampusExternal Network ConfigurationFabric ManagementSDN Orchestration - Question #459MPLS and VPN Technologies
Which of the following technologies can be used to establish an enterprise wide-area VPN? (Multiple choice)
VPN TechnologiesIPsec VPNMPLS VPNL2TP VPN - Question #460Network Operation and Maintenance and Troubleshooting
Telemetry network model is divided into broad sense and narrow sense. What modules does narrow sense Telemetry (that is, device-level Telemetry) include? (Multiple choice)
Network TelemetryDevice MonitoringData CollectionData Subscription - Question #461Advanced IP Routing and Multicast
A router has the SRv6 function enabled and is configured as shown in the figure. Which of the following descriptions of this configuration are correct? (Multiple choice) [Router-se...
SRv6 LocatorSID ArchitectureSegment Routing IPv6Function/Arguments Structure - Question #462Network Operation and Maintenance and Troubleshooting
iFIT implements data statistics on end-to-end delay and packet loss by inserting packet headers into service flows for coloring and marking. Which of the following descriptions of...
iFITin-band measurementSRv6 SRHTelemetry - Question #463QoS and Network Security
During the SSH public key authentication process, the server decrypts the digital signature generated by the client through the public key to complete user authentication. Which of...
SSHpublic key authenticationdigital signatureprivate key - Question #464Advanced IP Routing and Multicast
Traditional BGP-4 can only manage IPv4 unicast routing information. MP-BGP has extended BGP-4 to support this. MP-BGP uses address clusters to distinguish different network layer p...
MP-BGPaddress familyVPNv4IPv6 unicast - Question #465MPLS and VPN Technologies
When configuring an OSPF-based SRMPLSTE tunnel, which of the following commands are necessary? (Multiple choice)
SR-MPLS TEOSPF segment routingOpaque LSALSR-ID - Question #466SDN and Network Automation
Huawei's network equipment OPS (Open Programmability System) function provides open programmability capabilities for network equipment. To facilitate users to write scripts, Huawei...
OPSPython scriptingRESTful APInetwork programmability - Question #467QoS and Network Security
The SSH connection protocol multiplexes encrypted session connections into several logical channels. What types of logical channels can be created based on an SSH session connectio...
SSHlogical channelsSFTPX11 forwarding - Question #468MPLS and VPN Technologies
As shown in the figure, PE1 establishes EVPN adjacencies with PE2 and PE3 respectively. When the network is initialized, CE1 sends an ARP request message. Which of the following de...
EVPNBUM trafficMAC/IP advertisement routeARP handling - Question #469SDN and Network Automation
In the virtualized campus network deployed through iMaster NCE-Campus, the administrator needs to configure the parameters as shown in the figure. Which of the following descriptio...
iMaster NCE-CampusVN interworkingSDN controllerVPN delivery - Question #470MPLS and VPN Technologies
When EVPN serves as the control plane to carry L3VPN or L2VPN services, which of the following types of tunnels can be combined with the data forwarding plane? (Multiple choice)
EVPNSR-MPLSSRv6VXLAN - Question #471WLAN and IoT Technologies
In the following description of roaming, which of the following statements is correct? (Multiple choice)
wireless roamingESSBSSsignal coverage overlap - Question #472Advanced IP Routing and Multicast
When using routing policies for route filtering, which routing prefixes in the following options will be denied when matching the following IP-Prefix? (Multiple choice) IP ip-prefi...
IP-Prefix listroute filteringprefix matchingrouting policy - Question #473SDN and Network Automation
Which of the following items are typical application scenarios of lMaster NCE service open and programmable? (Multiple choice)
iMaster NCENETCONFnorthbound RESTful APIopen programmability - Question #474Advanced IP Routing and Multicast
Which of the following description of routing strategy and policy routing is correct? (Multiple choice)
routing policypolicy routingroute controlpacket forwarding - Question #475QoS and Network Security
Which of the following are common techniques for differentiating service models? (Multiple choice)
QoStraffic shapingcongestion avoidancecongestion management - Question #476Advanced IP Routing and Multicast
Which of the following descriptions about BGP4+ are correct? (Multiple choice)
BGP4+IPv6 routingMP_REACH_NLRINEXT_HOP attribute - Question #477Advanced IP Routing and Multicast
Which of the following descriptions about IS-IS (IPv6) are correct? (Multiple choice)
IS-ISIPv6 supportmulti-topologyTLV extensions - Question #478MPLS and VPN Technologies
Which of the following descriptions of Ingress node forwarding in the MPLS forwarding process are correct? (Multiple choice)
MPLS forwardingILM tableNHLFEingress node - Question #479MPLS and VPN Technologies
Which of the following source node behaviors can insert SRH into IPv6 packets? (Multiple choice)
SRv6SRH insertionsegment routingIPv6 encapsulation - Question #480MPLS and VPN Technologies
The following figure shows MPLS VPN cross-domain Option C method 2, and RR is deployed in the domain, and all traffic does not pass through the RR when forwarded. If the data packe...
MPLS VPNcross-domain Option Clabel allocationRR inter-domain - Question #481Advanced IP Routing and Multicast
What types of Link Types are included in the Router LSA of the OSPF protocol? (Multiple choice)
OSPFRouter LSAlink typesP2P TransNet StubNet Vlink - Question #482MPLS and VPN Technologies
As shown in the figure, PE1 and PE2 exchange private network routing information with their respective CEs through OSPF, and the same Domain ID is configured on both PE1 and PE2. W...
MPLS VPNOSPF LSA typesDomain IDBGP-to-OSPF redistribution - Question #483QoS and Network Security
As shown in the figure, if you need to enable 802.1X authentication on the GE0/0/2 and GE0/0/3 interfaces of SW3, and user authentication and permission distribution need to be car...
802.1XRADIUSAAA schemeauthentication template - Question #484Data Center Network Technologies
Which of the following descriptions about configuring static VXLAN tunnels are correct? (Multiple choice)
VXLANNVE interfaceVNIstatic tunnel configuration - Question #485MPLS and VPN Technologies
In the MPLS VPN network, when data packets enter the public network and are forwarded, they will be encapsulated with two layers of MPLS labels. Which of the following descriptions...
MPLS VPNlabel stackpenultimate hop poppingegress PE processing - Question #486QoS and Network Security
As shown in the figure, the host in the 10.0.1.0/24 network segment can actively access 10.0.4.0/24 through the virtual system A (VSYSA) and the root system (Public). Which command...
virtual system routingroute multi-selectionstatic routefirewall VSYS - Question #487MPLS and VPN Technologies
Compared with SR-MPLS, SRv6 has stronger network programming capabilities. In which fields of SRH is this capability reflected? (Multiple choice)
SRv6SRH fieldsnetwork programmingsegment routing - Question #488Advanced IP Routing and Multicast
A certain campus deployed both IPv4 and IPv6 networks for business testing, and ran IS-IS to realize network interconnection. The IS-IS routing protocol has good scalability and is...
IS-ISTLV structureIPv6 supportprotocol scalability - Question #489Data Center Network Technologies
In the scenario of dynamically establishing a VXLAN tunnel through BGP EVPN, run the command on the VTEP to view the BGP EVPN routing details and see the routing information as sho...
BGP EVPNType2 routeRT extended communityVXLAN VTEP - Question #490QoS and Network Security
In a firewall dual-machine hot backup scenario, which of the following configurations can be backed up between the active and standby firewalls? (Multiple choice)
firewall HAdual-machine hot backupconfiguration synchronizationactive-standby - Question #491MPLS and VPN Technologies
Which of the following descriptions of LDP free label retention methods are correct? (Multiple choice)
LDPliberal label retentionlabel spaceMPLS - Question #492QoS and Network Security
Which of the following descriptions of the security protocols used by IPsec are correct? (Multiple choice)
IPsecAH protocolESP protocoltunnel mode - Question #493Network Operation and Maintenance and Troubleshooting
When viewing the debug output through the SSH terminal, a lot of information pops up. Which of the following operations can prevent the Monitor terminal from popping up debug messa...
debug outputterminal monitorSSH sessionCLI commands - Question #494Data Center Network Technologies
As shown in the figure, in the scenario of dynamically establishing a VXLAN tunnel through BGPEVPN, VTEP1 passes a BGP EVPN Type2 route to VTEP2, in which the EVPNRT value is 20:1....
BGP EVPNRT value mismatchVXLAN route filteringVTEP - Question #495MPLS and VPN Technologies
Which of the following methods can be used to introduce traffic into the SR-MIPLS TE tunnel? (Multiple choice)
SR-MPLS TEtraffic steeringtunnel policypolicy routing - Question #496QoS and Network Security
Which of the following user logout methods does 802.1X authentication support? (Multiple choice)
802.1Xuser logoutaccess controlauthentication - Question #497Advanced IP Routing and Multicast
A certain campus deploys the OSPF protocol to achieve network interoperability. The LSDB information of R2 is as shown in the figure. Which of the following information derived fro...
OSPFLSDB analysisNSSA areaType7 LSA - Question #498Network Operation and Maintenance and Troubleshooting
According to the information given in the picture, which of the following descriptions are correct? (Multiple choice)
routing looproute analysisIP forwardingtroubleshooting - Question #499QoS and Network Security
After the client passes 802.1X authentication, which of the following authorization information does the RADIUS server support? (Multiple choice)
802.1XRADIUS authorizationVLAN assignmentACL - Question #500Advanced IP Routing and Multicast
Which LSAs in OSPFv3 can be flooded within an area? (Multiple choice)
OSPFv3LSA typesarea flooding scopeIPv6 routing