H12-821_V1.0 Exam Questions
1,196 real H12-821_V1.0 exam questions with expert-verified answers and explanations. Page 10 of 24.
- Question #451IPv4 Routing Technologies
Which of the following default route distribution methods does OSPF support? (Multiple choice)
OSPF default routeASBRABRdefault-route originate - Question #452IPv4 Routing Technologies
Routing tools that are not only used for BGP routing protocol have (Multiple choice)
ACLIP prefixBGP route filteringcommunity filter - Question #453Layer 2 Technologies
RSTP protocol defines different port states, including Discarding and Learning. Which of the description of these two port states is correct? (Multiple choice)
RSTPport statesDiscardingLearning - Question #454Layer 2 Technologies
Which of the following items of the master switch election in the stack include? (Multiple choice)
stackmaster electionstack priorityrunning status - Question #455IPv6 Technologies
Which of the following dynamic routing protocols can be applied to IPv6 networks? (Multiple choice)
IPv6 routing protocolsOSPFv3IS-IS for IPv6BGP4+ - Question #456Network Security
The session-based state inspection firewall has different processing procedures for the first packet and subsequent packets. Which of the following description is correct? (Multipl...
stateful inspectionsession tablefirewallTCP SYN - Question #457Network Management and O&M
As a network administrator, which of the following protocols can be used for network device configuration? (Multiple choice)
SNMPNETCONFSSHnetwork device management - Question #458VRP Basics and Advanced Features
If a network administrator configures VRRP, which of the following is not mandatory? (Multiple choice)
VRRPvirtual IPvirtual router IDpreemption - Question #459Layer 2 Technologies
The Root Port cannot be in the forwarding state in RSTP? (Multiple choice)
RSTPport rolesAlternate PortBackup Port - Question #460Layer 2 Technologies
What are the following statements about roaming is correct? (Multiple choice)
wireless roamingESSBSSsignal overlap - Question #461Network Security
What are the conditions for volume matching of firewall security policies? (Multiple choice)
firewall security policysecurity zonessource destination IPprotocol matching - Question #462IPv4 Routing Technologies
The above is part of the configuration of the router RTA. [RTA] ospf 100 [RTA-ospf-100] silent-bit Ethernet 1/0/0 For the configuration description of this part, which is correct?...
OSPF silent-interfaceHello packetsneighbor relationshiproute advertisement - Question #463IPv4 Routing Technologies
Regarding the command of OSPF route aggregation, which description is correct? (Multiple choice)
OSPF route aggregationabr-summaryasbr-summarynot-advertise - Question #464IPv4 Routing Technologies
What packet types does OSPF include? (Multiple choice)
OSPF packet typesHelloDBDLSR - Question #465IPv4 Routing Technologies
What types of metrics does the IS-IS protocol support? (Multiple choice)
IS-IS metricsnarrow metricwide metricmetric types - Question #466IPv4 Routing Technologies
In route-policy, what are the BGP attributes that can be used in the apply clause? (Multiple choice)
BGP route-policyapply clauseMEDLocal-Preference - Question #467IPv4 Routing Technologies
Regarding BGP Local-Preference, which of the following descriptions are correct? (Multiple choice)
BGP Local-PreferenceBGP route selectionPreferred-ValueMED - Question #468IPv4 Routing Technologies
Which of the following description of the protocol is correct? (Multiple choice)
BGP characteristicsroute policyTCP transportneighbor discovery - Question #469VRP Basics and Advanced Features
Which statement about the VRRP protocol version is correct? (Multiple choice)
VRRPv2VRRPv3VRRP authenticationIPv4 IPv6 support - Question #470SDN and Network Automation
What functions can Huawei iMaster NCE products achieve? (Multiple choice)
iMaster NCEnetwork automationSDN controllerAI predictive maintenance - Question #471Network Security
The basic access control control list is a series of sequential rules composed of permit I deny statements. These rules can match IP packets according to which of the following att...
ACL matchingsource addressdestination addressport number - Question #472Network Security
ACL can be divided into which of the following categories? (Multiple choice)
ACL typesbasic ACLadvanced ACLLayer2 ACL - Question #473IPv4 Routing Technologies
Which of the following are the differences between IGMP versions? (Multiple choice)
IGMP versionsIGMPv1IGMPv2IGMPv3 - Question #474VRP Basics and Advanced Features
Which statement about the VRRP timer is wrong? (Multiple choice)
VRRP timerspreemption delaySkew_Timeadvertisement interval - Question #475IPv4 Routing Technologies
Which of the following understanding of DR/BDR is wrong? (Multiple choice)
OSPF DR/BDRmulticast addressadjacencybroadcast network - Question #476IPv4 Routing Technologies
Regarding the LSA age field, which description is correct? (Multiple choice)
OSPF LSA agingLS ageLsRefreshTimeLSDB - Question #477IPv4 Routing Technologies
Which of the following parameters are modified, the IS-IS neighbor relationship needs to be re-established? (Multiple choice)
IS-ISneighbor relationshipinterface authenticationIS-IS level - Question #478IPv4 Routing Technologies
What protocol modules can BFD detection be linked with? (Multiple choice)
BFDOSPFBGPVRRP - Question #479IPv4 Routing Technologies
Which of the following description about Link ID, Data, Type and Metric in Router-L SA is correct? (Multiple choice)
OSPFRouter-LSALSA fieldslink state - Question #480SDN and Network Automation
Regarding business travel, which of the following statements is correct? (Multiple choice)
SDNcontrollerpolicy managementbusiness mobility - Question #481Network Management and O&M
What are the traffic statistics methods? (Multiple choice)
NetstreamSNMPport mirroringtraffic statistics - Question #482Network Security
Which of the following descriptions about the triggering mechanism of 802.1X authentication is correct? (Multiple choice)
802.1Xauthentication triggeringEAPaccess control - Question #483Layer 2 Technologies
Which of the following statements about Layer 2 roaming and Layer 3 roaming is correct? (Multiple choice)
WLAN roamingLayer 2 roamingLayer 3 roamingSTA subnet - Question #484Layer 2 Technologies
Spanning tree improved on the basis of STP, realizing fast convergence of network topology. However, both RSTP and STP are based on a single spanning tree, and there are some short...
RSTPSTPspanning treeVLAN load balancing - Question #485IPv4 Routing Technologies
Among the following BGP attributes, which ones are recognized and must be followed? (Multiple choice)
BGPwell-known mandatoryAS-PathNext_Hop - Question #486IPv4 Routing Technologies
Regarding multicast MAC addresses, which of the following statements are incorrect? (Multiple choice)
multicast MACIP multicastaddress mappingLayer 2 multicast - Question #487IPv4 Routing Technologies
What are the three ways of sending IPv4 packets? (Multiple choice)
unicastmulticastbroadcastIPv4 packet types - Question #488Network Management and O&M
After dual-machine hot backup is configured, the primary and backup channels cannot be established. The information on the primary device cannot be normally transmitted to the back...
dual-machine hot backupAC redundancyprimary-backup channelCAPWAP - Question #489IPv4 Routing Technologies
Regarding load sharing description of VRRP, which is correct? (Multiple choice)
VRRPload sharingbackup groupMaster router - Question #490Layer 2 Technologies
In a network environment, there are both switches running RSTP and switches running STP, then the phenomenon that will appear in this network is: (Multiple choice)
RSTPSTPinteroperabilityspanning tree migration - Question #491IPv4 Routing Technologies
Regarding BGP MED, which of the following descriptions are correct? (Multiple choice)
BGP MEDroute selectionBGP attributesinter-AS routing - Question #492Network Security
Which of the options below satisfy the ACL conditions below? (Multiple choice) [HUAWEI] acl number 2001 [HUAWEI-acl-basic-2001] rule 0 permit source 10.1.1.0 0.0.254.255
ACLwildcard maskbasic ACLIP filtering - Question #493IPv4 Routing Technologies
Among the routing policy tools commonly used in BGP, which of the following can be used to filter routes? (Multiple choice)
BGProuting policyroute filteringextcommunity-filter - Question #494IPv4 Routing Technologies
Which of the following statements about various messages is wrong? (Multiple choice)
OSPFDD messageHello messageLSA message types - Question #495IPv4 Routing Technologies
A certain router outputs the following information, which of the following statements is correct? (Multiple choice) <HUAWEl>display ospf interface GigabitEthernet 0/0/0 OSPF Proces...
OSPFDR electioninterface statedisplay output analysis - Question #496IPv4 Routing Technologies
The statement about OSPF AS-External-LSA, which is correct? (Multiple choice)
OSPFAS-External-LSAASBRLSA identification - Question #497Layer 2 Technologies
In the L2 network of WLAN, which of the following statements about the application of option43 is correct? (Multiple choice)
DHCP option 43AC discoveryAP provisioningWireless WLAN - Question #498IPv4 Routing Technologies
Regarding the command description of OSP, which is wrong? (Multiple choice)
OSPFv2 vs OSPFv3stub routerrouter-idmulti-process OSPF - Question #499IPv4 Routing Technologies
As the network administrator of a company checks the FIB of the router. What fields does the FIB contain? (Multiple choice)
FIB structureForwarding tableRouting tableIPv4 routing - Question #500Network Management and O&M
Which of the following statements about the application of BFD is correct? (Multiple choice)
BFD one-arm echoBFD linkageBFD single-hopBFD multi-hop