H12-821_V1.0 Exam Questions
1,196 real H12-821_V1.0 exam questions with expert-verified answers and explanations. Page 12 of 24.
- Question #551Network Management and O&M
The monitoring plane is generally composed of the monitoring unit of the main control board and the interface board, which can independently complete the system's environmental mon...
monitoring_planeenvironmental_monitoringsystem_managementhardware_monitoring - Question #552IPv4 Routing Technologies
Which of the following options are available for the network type supported by the OSPF protocol? (Multiple choice)
OSPFNetwork TypesRouting FundamentalsMulti-access Networks - Question #553IPv4 Routing Technologies
The output information of a certain router is shown in the figure: <HUAWEl>display ospf peer OSPF Process 0 Router ID 10.0.0.2.2 Areas 0.0.0.0 Router ID: 10.1.2.2 GigabitEthernet0/...
OSPF neighborDR/BDR electionRouter IDdisplay ospf peer - Question #554Layer 2 Technologies
If the Length/Type=07100 of an Ethernet data frame, which of the following options may the data frame be sent from? (Multiple choice)
VLAN taggingPort types802.1QLayer 2 switching - Question #555IPv4 Routing Technologies
Which of the following option packets belong to OSPF protocol packets? (Multiple choice)
OSPF packetsLink State protocolPacket typesLSU/LSR - Question #556IPv4 Routing Technologies
In the VRP operating system, which of the following options can be configured to enter the view of OSPF area 0? (Multiple choice)
OSPF area configurationVRP CLI syntaxIPv4 routingOSPF commands - Question #557IPv4 Routing Technologies
Regarding the range of BGP AS, which of the following descriptions are incorrect? (Multiple choice)
BGPAS Numbers2-byte/4-byte ASPrivate AS Range - Question #558Network Security
SAD (Security Association) is a parameter that must be negotiated when an IPsec tunnel is established, so which of the following parameters is used to uniquely identify SA? (Multip...
IPsecSecurity AssociationSA IdentificationVPN Tunneling - Question #559IPv4 Routing Technologies
Which of the following descriptions about the linkage between VRRP and interface status to monitor the uplink interface is wrong? (Multiple choice)
VRRPInterface status monitoringFailover redundancyTraffic black hole prevention - Question #560Layer 2 Technologies
As shown in the figure, SW1 and SW2 have just run RSTP and are now performing spanning tree calculation. So, which of the following descriptions about the port synchronization proc...
RSTPProposal/Agreement mechanismPort synchronizationSpanning tree - Question #561Network Security
The ACL configuration on a certain router is shown in the figure, so which of the following items are the addresses that satisfy this condition? (Multiple choice)
ACL configurationCIDR notationWildcard masksIP address matching - Question #562IPv4 Routing Technologies
BGP community attribute is an optional transitional attribute, which is a routing label and is used to simplify the execution of routing policies. It is divided into custom communi...
BGPCommunity AttributesWell-known CommunitiesRouting Policy - Question #563IPv4 Routing Technologies
Which of the following descriptions about the next-hop application of routing in BGP are correct? (Multiple choice)
BGP next-hopIBGP routingNext-hop attributesRoute advertising - Question #564IPv4 Routing Technologies
Which of the following transport multiple types of networks. Which of the following types of networks need to elect DR and BDR? (Multiple choice)
OSPF network typesDR/BDR electionmulti-access networksrouting adjacencies - Question #565IPv4 Routing Technologies
Which of the following metric types is supported by the IS-IS protocol? (Multiple choice)
IS-IS metric typesnarrow metricwide metricIS-IS configuration - Question #566IPv4 Routing Technologies
Which of the following descriptions of the router's LSA processing principles are correct? (Multiple choice)
OSPFLSA ProcessingLSDB ManagementFlooding - Question #567Layer 2 Technologies
Which of the following descriptions about the difference between stacking and clustering is wrong? (Multiple choice)
stack virtualizationclusteringswitch redundancynetwork topology - Question #568IPv4 Routing Technologies
Which of the following descriptions about BGP neighbors is wrong? (Multiple choice)
BGP neighborMD5 authenticationTCP connectionBGP misconceptions - Question #569Layer 2 Technologies
Which of the following are the advantages of building a campus network using stacking and clustering technologies? (Multiple choice)
stackingclusteringcampus network redundancynetwork simplification - Question #570IPv4 Routing Technologies
Which of the following descriptions about LSA and LSDB are wrong? (Multiple choice)
OSPFLSA IdentificationLSA Header FieldsLSDB - Question #571IPv4 Routing Technologies
Which of the following descriptions about IGMPv3 are correct? (Multiple choice)
IGMPv3source-specific multicastgroup query typesmember report - Question #572IPv4 Routing Technologies
As shown in the figure, it is a multicast network. Which of the following ports are multicast group member ports? (Multiple choice)
multicast group membershipIGMPmulticast forwardingport identification - Question #573IPv4 Routing Technologies
Which of the following descriptions of IS-IS area division are correct? (Multiple choice)
IS-IS routingArea hierarchyLevel-1-2 routersRouter area membership - Question #574IPv4 Routing Technologies
Which of the following descriptions about BGP Atomic_ Aggregate and Aggregator are correct? (Multiple choice)
BGP Atomic-AggregateAggregator attributeroute aggregationBGP path attributes - Question #575IPv4 Routing Technologies
Which of the following BGP path attributes are optional transition attributes? (Multiple choice)
BGP path attributesOptional transitiveBGP routingAttribute classification - Question #576IPv4 Routing Technologies
Which of the following working mechanisms are included in PIM-DM? (Multiple choice)
PIM-DMMulticast RoutingPruning/GraftingState Refresh - Question #577IPv4 Routing Technologies
Which of the following BGP route attributes can the Route-Policy tool modify? (Multiple choice)
BGP route attributesRoute-PolicyBGP path selectionAttribute modification - Question #578IPv4 Routing Technologies
Which of the following descriptions about Policy-Based-Routing and Routing-Policy are correct? (Multiple choice)
Policy-Based RoutingRouting PolicyForwarding logicPacket classification - Question #579IPv4 Routing Technologies
Which of the following descriptions about the introduction of external routes to BGP is correct? (Multiple choice)
BGP route importorigin attributeAS_PathPreferred_Value - Question #580VRP Basics and Advanced Features
If there is a wireless access controller serving as a DHCP relay, If the DHCP client cannot obtain an IP address dynamically, which of the following reasons may be the cause? (Mult...
DHCP relayWLAN ACDHCP troubleshootingIP address assignment - Question #581VRP Basics and Advanced Features
Which of the following descriptions about the four forwarding models of WLAN roaming traffic are correct? (Multiple choice)
WLAN roamingLayer 3 roamingtunnel forwardingHAP - Question #582IPv4 Routing Technologies
As shown in the figure, the IS-IS neighbor relationship is established between the two routers. Which of the following description about the process of establishing the neighbor re...
IS-IS adjacencythree-way handshakeDIS electionIIH message - Question #583Layer 2 Technologies
Which of the following optional protection functions are set to prevent the Layer 2 network from being invaded by malicious users. So which of the following descriptions about TC-B...
TC-BPDU attackSTP protectiontopology changeanti-attack function - Question #584Layer 2 Technologies
Which of the following parameters are involved in the election of the master switch in the stack? (Multiple choice)
stack master electionMAC address priorityStack-ID statusswitch redundancy - Question #585IPv4 Routing Technologies
The output of a device viewing LSDB is shown in the figure. According to the content analysis in the figure, what information can we obtain? (Multiple choice)
OSPFLSDBLSAASBR - Question #586IPv4 Routing Technologies
Which of the following attributes may not be included in the Update message of a BGP route? (Multiple choice)
BGP Update messagePath attributesLocal PreferenceAS_Path - Question #587IPv4 Routing Technologies
Which of the following descriptions about BGP routing are correct? (Multiple choice)
BGP fundamentalsRoute aggregationRouting policiesRoute injection - Question #588Layer 2 Technologies
Which of the following functions can the Type-2 routing type of EVPN support? (Multiple choice)
EVPN Route TypesMAC/IP AdvertisementLayer 2 VirtualizationOverlay Networks - Question #589IPv4 Routing Technologies
Which of the following descriptions about route-policy is incorrect? (Multiple choice)
BGP route filteringprefix listAS path filterroute policy tools - Question #590IPv4 Routing Technologies
Which of the following statements about routing tools is incorrect? (Multiple choice)
BGP routingroute filteringBGP attributesaccess control - Question #591SDN and Network Automation
The Huawei Cloud Campus solution supports the Free Mobility function. Which of the following descriptions about the Free Mobility function is correct? (Multiple choice)
Free MobilityCloud CampusSDN controllerpolicy management - Question #592IPv4 Routing Technologies
Which of the following statements about BGP security are correct? (Multiple choice)
BGP AuthenticationKeychainMD5 SecurityGTSM - Question #593IPv6 Technologies
With the evolution from IPv4 network to IPv6, some transitional technologies have emerged. Which of the following are common types of transitional technologies? (Multiple choice)
IPv6 transitiondual stacktunnelingtranslation - Question #594IPv4 Routing Technologies
In the PIM protocol, which of the following packets have destination addresses that are unicast addresses? (Multiple choice)
PIM protocolmulticast routingpacket addressingPIM-SM - Question #595IPv4 Routing Technologies
Which of the following descriptions about IGMPV1 and IGMPV2 are correct? (Multiple choice)
IGMPv1IGMPv2member leave messagemulticast group query - Question #596Network Security
Among the following VPN technologies, which one is likely to cause two IP packet headers in one packet? (Multiple choice)
VPN TunnelingEncapsulationL2TPGRE - Question #597IPv4 Routing Technologies
The Error Code of the BGP Notification message is 2, it means that the OPEN message is wrong. Which of the following error subcodes are contained in it? (Multiple choice)
BGPNotification MessagesOPEN Message ErrorsError Codes - Question #598IPv4 Routing Technologies
Which of the following information does the BGP Open message carry? (Multiple choice)
BGPBGP Open MessageSession EstablishmentRouting Protocols - Question #599IPv4 Routing Technologies
Which of the following statements about IGMPv2 routers maintaining segment group membership are correct? (Multiple choice)
IGMPMulticast group membershipTimer mechanismsMembership timeout - Question #600IPv4 Routing Technologies
BFD detection can be linked with which of the following modules to speed up fault detection? (Multiple choice)
BFDFault DetectionRouting ProtocolsFast Convergence