H12-821_V1.0 Exam Questions
1,196 real H12-821_V1.0 exam questions with expert-verified answers and explanations. Page 14 of 24.
- Question #651IPv4 Routing Technologies
Regarding the two PIM working modes, PIM-DM and PIM-SM, which one is wrongly described? (Multiple choice) A. PIM-DM is suitable for multicast network structures with dense members....
PIM-DMPIM-SMMulticast RoutingWorking Modes - Question #652VRP Basics and Advanced Features
There are many ways to establish clusters on modular switches. What methods does Huawei modular switches support to establish clusters? (Multiple choice) A. Established through the...
switch clusteringmodular switchcluster cardCSS - Question #653IPv4 Routing Technologies
What kinds of special areas does OSPF define? (Multiple choice) A. Nssa-Stubby Area B. Stub Area C. Totally NSSA D. Totally Stub Area
OSPF special areasstub areaNSSAtotally stub - Question #654IPv6 Technologies
In the process of transition from IPv4 network to IPv6, some transition technologies have emerged. Which of the following are common types of transition technologies? (Multiple cho...
IPv6 transitiondual stacktunnelingprotocol translation - Question #655IPv4 Routing Technologies
Which of the following descriptions of the PIM-DM multicast distribution tree are correct? (Multiple choice) A. When maintaining the multicast distribution tree, you can continue t...
PIM-DMmulticast distribution treeflooding pruningassertion mechanism - Question #656IPv4 Routing Technologies
Which of the following descriptions of multicast IP address are incorrect? (Multiple choice) A. The value range of multicast IP address is 224.0.0.0-240.255.255.255. B. In multicas...
multicast IP addressaddress rangemulticast vs unicastUDP multicast - Question #657IPv4 Routing Technologies
Which of the following descriptions of each field in Router LSA are correct? (Multiple choice) A. Link ID: describes the local area address of the connected network. Different netw...
Router LSAOSPF LSA fieldsABR flaglink type - Question #658IPv4 Routing Technologies
The specific content of an LSA is as shown in the figure. Type : Router Ls id : 2.2.2.2 Adv rtr : 2.2.2.2 Ls age : 105 Len : 48 Options : ABR E seq# : 8000000a chksum : 0x7117 Link...
Router LSA analysisOSPF virtual linkABR identificationTransNet link - Question #659IPv4 Routing Technologies
Which of the following overhead types does IS-IS support? (Multiple choice)
IS-ISoverhead typewide metricnarrow metric - Question #660Network Management and O&M
As shown in the figure, R1 and R2 have configured the local sending time interval, the local receiving time interval and the local BFD detection multiple. [Image describing BFD Ses...
BFDsession negotiationdetection intervaltimer calculation - Question #661IPv4 Routing Technologies
To configure VRRP and form a VRRP backup group with a VRID of 2, if the user wants to set R1 as the gateway for forwarding data in the backup group, which of the following configur...
VRRPvirtual gatewaypriority configurationmaster election - Question #662Network Security
The 802.1X authentication system supports two authentication methods, EAP relay and EAP termination. to complete the authentication between the device and the authentication server...
802.1XEAP relayEAP terminationauthentication methods - Question #663IPv4 Routing Technologies
Which of the following descriptions about BGP route equal-cost load sharing are correct? (Multiple choice) A. By default, the device will only perform load balancing on routes with...
BGP load balancingequal-cost routesIBGP EBGPAS_Path - Question #664IPv4 Routing Technologies
Which of the following descriptions about the Originator_ID attribute in BGP is correct? (Multiple choice) A. Originator_ID is a recognized arbitrary attribute. B. If there are mul...
BGPRoute ReflectorOriginator_IDBGP attributes - Question #665IPv4 Routing Technologies
Which of the following parameter information is carried in the BGP Open message? (Multiple choice)
BGPOpen messageBGP session establishmentAS number - Question #666IPv4 Routing Technologies
When using the Filter-Policy tool in the OSPF view, which of the following tools can be called using the if-match clause? (Multiple choice)
Filter-PolicyOSPFroute filteringprefix-list - Question #667IPv4 Routing Technologies
In PIM-DM, the assertion mechanism is to ensure that only one multicast router forwards multicast packets in the shared network segment. Which of the following parameters are the c...
PIM-DMassert mechanismmulticastAssert Winner election - Question #668IPv4 Routing Technologies
Which of the following descriptions about the VRRP Backup device are correct? (Multiple choice) A. Backup will discard IP packets whose destination MAC address is the virtual MAC a...
VRRPBackup devicevirtual IPfailover - Question #669SDN and Network Automation
Which of the following functions does Huawei's ilaster NCE product have? (Multiple choice) A. Can manage equipment across manufacturers B. Network automation C. Predictive maintena...
iMaster NCEnetwork automationSDN controlleropen API - Question #670IPv4 Routing Technologies
Which of the following descriptions of VRRP versions are correct? (Multiple choice) A. VRRPv2 and VRRPv3 have different time intervals for sending advertisement messages. B. VRRPv2...
VRRPVRRPv2VRRPv3version comparison - Question #671Layer 2 Technologies
Which of the following situations will cause the stack standby switch to be promoted to the stack master switch? (Multiple choice) A. The user performs active/standby switchover th...
switch stackmaster electionactive/standby switchoverstack upgrade - Question #672Network Security
SSH negotiates a variety of algorithms during its implementation. So which of the following are included in the algorithm categories used by SSH? (Multiple choice) A. Shortest Path...
SSHencryption algorithmskey exchangesecurity protocols - Question #673IPv4 Routing Technologies
In IS-IS, which of the following describes a purpose of Hellos?
IS-ISHello messagesneighbor discoveryadjacency - Question #674IPv6 Technologies
NDP is a very core component of IPv6. Which of the following are main functions of NDP? (Multiple choice)
NDPIPv6neighbor discoveryduplicate address detection - Question #675IPv4 Routing Technologies
Which of the following are the advantages of electing DR/BDR in the MA network? (Multiple choice)
OSPFDR/BDRMA networklink state synchronization - Question #676IPv4 Routing Technologies
Which of the following reasons may prevent OSPF neighbor relationships from being established? (Multiple choice)
OSPFneighbor relationshipRouter IDnetwork type mismatch - Question #677IPv4 Routing Technologies
Which of the following descriptions of IS-IS Hello messages are correct? (Multiple choice)
IS-ISHello messagesP2P IHLAN IH - Question #678IPv4 Routing Technologies
Which of the following events will cause IS-IS to generate a new LSP? (Multiple choice)
IS-ISLSP generationlink state updateadjacency change - Question #679IPv4 Routing Technologies
A routing protocol implements route import, routing information can be transferred between different routing protocols. Which of the following problems may also be caused? (Multipl...
route redistributionrouting looprouting black holesuboptimal path - Question #680IPv4 Routing Technologies
In Huawei system, the prefix list (ip ip-prefix) can be called by which of the following tools? (Multiple choice)
prefix-listroute-policyFilter-Policypolicy-based-route - Question #681Layer 2 Technologies
When networking, in order to ensure network reliability, corresponding backup technology can be deployed according to user requirements. Which of the following descriptions of comm...
VRRPCAPWAPAC backupnetwork redundancy - Question #682IPv4 Routing Technologies
Which of the following descriptions of the IS-IS neighbor relationship establishment process are correct? (Multiple choice)
IS-ISneighbor establishmentthree-way handshakeDIS election - Question #683IPv4 Routing Technologies
Which of the following descriptions of the Preferred-Value attribute in BGP are correct? (Multiple choice)
BGPPreferred-Valueroute selectionHuawei BGP - Question #684VRP Basics and Advanced Features
As shown in the figure, R1 and R2 form a VRRP backup group with VRID 12. Now the user starts R1 one minute after R2 starts. So which of the following descriptions of the default st...
VRRPmaster electionprioritypreemption - Question #685IPv4 Routing Technologies
Which of the following descriptions about route aggregation in BGP are correct? (Multiple choice)
BGProute aggregationaggregate commandsummary automatic - Question #686IPv4 Routing Technologies
Which of the following descriptions of OSPF's own anti-environment measures are correct? (Multiple choice)
OSPFarea designbackbone arealoop prevention - Question #687IPv4 Routing Technologies
Which of the following route types can be introduced by OSPF? (Multiple choice)
OSPFroute redistributionimport routesexternal routes - Question #688IPv6 Technologies
Which of the following descriptions of the advantages of IPv6 are correct? (Multiple choice)
IPv6stateless address configurationextension headersIPsec - Question #689IPv4 Routing Technologies
Which of the following descriptions of routing interactions between BGP peers are correct? (Multiple choice)
BGProute advertisementiBGP split horizonoptimal route - Question #690Network Management and O&M
A wireless controller interface has both the DHCP server function and the DHCP relay function enabled. So which of the following descriptions of the processing method of the wirele...
DHCPDHCP relayDHCP serverwireless controller - Question #691SDN and Network Automation
Which of the following functions does iMaster NCE support? (Multiple choice)
iMaster NCESDN controllernetwork managementcontroller functions - Question #692IPv4 Routing Technologies
Which of the following descriptions of the BGP Local_Preference attribute are correct? (Multiple choice)
BGPLocal_Preferencepath attributesiBGP - Question #693VRP Basics and Advanced Features
Which of the following descriptions of ARP requests in the VRRP protocol are correct? (Multiple choice)
VRRPARPvirtual IPmaster backup behavior - Question #694IPv4 Routing Technologies
Which of the following parameters are involved in the election of DIS in IS-IS? (Multiple choice)
IS-ISDIS electionpriorityMAC address - Question #695Layer 2 Technologies
A company has a stack system consisting of three switches that is running stably. Now the main switch has restarted due to a fault. Which of the following descriptions of this phen...
stack systemmaster switchbackup switchrole election - Question #696IPv4 Routing Technologies
In Huawei system, Route-Policy can match which of the following parameters? (Multiple choice)
Route-Policypolicy routingACL matchingprefix list - Question #697Network Security
Which of the following descriptions of different types of firewalls are correct? (Multiple choice)
firewallstateful inspectionpacket filteringsession table - Question #698Network Management and O&M
Which of the following descriptions about the Options field in the DHCP message are correct? (Multiple choice)
DHCPOption 82relay agent informationOptions field - Question #699IPv4 Routing Technologies
A new member joins a multicast group in PIM-DM, which of the following descriptions are correct? (Multiple choice)
PIM-DMmulticast distribution treegraftingpruning - Question #700VRP Basics and Advanced Features
Which of the following descriptions about VRRP fast switching is wrong? (Multiple choice)
VRRPBFDfast switchingpreemption