H12-821_V1.0 Exam Questions
1,196 real H12-821_V1.0 exam questions with expert-verified answers and explanations. Page 1 of 24.
- Question #1IPv4 Routing Technologies
The following states in the BGP neighbor establishment process, then the state machine sequence that a successful connection goes through is:
BGP neighbor statesstate machineFSMBGP connection - Question #2Layer 2 Technologies
At this time, which of the following processes will the network go through to achieve stability?
RSTPSTP port statestopology changeroot port election - Question #3IPv4 Routing Technologies
About the description about the OSPF calculating the shortest path tree stage, which is the correct?
OSPF SPFshortest path treestub networktransit network - Question #4Layer 2 Technologies
Regarding the description of IGMP Snooping-working mechanism, which is the correct?
IGMP Snoopinglayer 2 multicastmulticast forwardingswitch mechanism - Question #5IPv4 Routing Technologies
What is the minimum total length of the address in IS-IS Byte?
IS-ISNET addressNSAPaddress format - Question #6IPv4 Routing Technologies
Which of the following does not include the advantages of address translation technology?
NATaddress translationIP headerprivate IP - Question #7VRP Basics and Advanced Features
Which of the following does not include the switch role in the stack system?
stack systemswitch rolesmain switchstandby switch - Question #8IPv4 Routing Technologies
Which of the following tools is used to filter routing information and set routing attributes for filtered routing information?
route-policyrouting filterrouting attributespolicy tool - Question #9IPv4 Routing Technologies
Regarding the description of the routing tool, which of the following statement is wrong?
route-policyprefix listACL routing matchAS path filter - Question #10IPv4 Routing Technologies
Which of the following descriptions about setting Community attribute of the route, the route can be classified, and then set different route selection-related attributes according...
BGP Communityroute selectionLocal_PrefMED - Question #11IPv4 Routing Technologies
Regarding the description of the summary automatic command and BGP aggregation, which is wrong?
BGP aggregationauto-summaryroute summarizationmanual aggregation - Question #12IPv4 Routing Technologies
There is a message in the BGP protocol that is periodically sent between BGP neighbors to maintain the neighbor relationship.
BGP messagesKeepaliveneighbor relationshipBGP - Question #13IPv4 Routing Technologies
Which BGP route will send BGP neighbors without BGP path load sharing enabled?
BGP best routeroute advertisementload sharingBGP neighbor - Question #14IPv4 Routing Technologies
When using authentication in BGP configuration, how should it be configured?
BGP authenticationMD5 passwordBGP peersecurity - Question #15IPv4 Routing Technologies
Which of the following descriptions about the Keepalive message in BGP is wrong?
BGP KeepaliveHold timeBGP timerBGP messages - Question #16Network Security
When a stateful inspection firewall forwards subsequent data packets (not the first packet), which of the following is mainly based on?
stateful inspectionsession tablefirewallpacket forwarding - Question #17Network Security
About acl [number] acl-number I match-order [auto | config]?, where acl-numribe is used to specify the number of the access control list, and the value range of acl-number of the b...
ACLbasic ACLACL number rangeaccess control list - Question #18IPv4 Routing Technologies
Which of the following tools cannot be directly referenced by the apply clause of a route-policy?
route-policyapply clauseif-matchIP-prefix - Question #19IPv4 Routing Technologies
Regarding the default routes of each protocol, which of the following description is wrong?
default routeOSPFBGPIS-IS - Question #20IPv4 Routing Technologies
In a broadcast network, what is the default interval for sending Hello by DIS?
IS-ISDISHello intervalbroadcast network - Question #21IPv4 Routing Technologies
Regarding LSA3, LSA4 and LSA5, which of the following description is correct?
OSPF LSA typesLSA propagationarea border routerASBR - Question #22IPv4 Routing Technologies
Which of the following description about OSPF is correct?
OSPFLSA refreshDijkstra algorithmLSU flooding - Question #23IPv4 Routing Technologies
About matters needing attention in configuring the Stub area, the correct description is:
OSPF Stub areavirtual linkASBR restrictionarea configuration - Question #24SDN and Network Automation
Which of the following scenarios is the SD-WAN solution suitable for?
SD-WANenterprise branchWAN topology - Question #25IPv4 Routing Technologies
Which of the following descriptions about OSPF route aggregation is incorrect?
OSPF route aggregationABR aggregationASBR aggregationrouting optimization - Question #26Network Management and O&M
Which of the following description of how to establish a BFD session is wrong?
BFDsession establishmentstatic BFDdynamic BFD - Question #27Network Management and O&M
During the operation of the DHCP protocol, the process from when the client applies to obtain an IP address is:
DHCPDORA processIP address allocationclient-server - Question #28IPv4 Routing Technologies
When the S-IS 2000 export is configured in the IS-IS process server-group-AP, which statement about the function of this command is wrong?
IS-ISroute exportserver-grouproute filtering - Question #29Network Security
When configuring source NAT configuration and having no-pat configuration parameters, which of the following statements is correct?
source NATno-PATaddress translationNAT modes - Question #30IPv4 Routing Technologies
Which of the following description about the prefix list is wrong?
prefix listroute filteringrouting maskACL comparison - Question #31IPv4 Routing Technologies
In SSM, which version of IGMP needs to be used?
SSMIGMPv3multicastsource-specific multicast - Question #32Network Management and O&M
Which of the following descriptions about configuring roaming groups is wrong?
WLAN roamingMaster ControllerAC managementCAPWAP - Question #33IPv4 Routing Technologies
Which of the following description of OSPF neighbor relationship and adjacency relationship is correct?
OSPF neighboradjacencyDR/BDRHello packet - Question #34IPv4 Routing Technologies
Which of the following does not belong to IGP?
IGPEGPBGProuting protocol classification - Question #35SDN and Network Automation
What are the key components of building an IP wide-area bearer network solution together with Huawei NetEngine intelligent routers?
iMaster NCE-WANIP bearer networkHuawei NetEngineSDN controller - Question #36Network Management and O&M
Which of the following statements about the address used by AC to establish a CAPWAP tunnel in VRRP hot backup is correct?
CAPWAPVRRPAC hot backupWLAN redundancy - Question #37VRP Basics and Advanced Features
The default priority of the VRRP device in the backup group is:
VRRPdefault prioritybackup groupgateway redundancy - Question #38IPv4 Routing Technologies
In the IS-IS broadcast network, which multicast MAC address does the Level-1 router use as the destination address for sending IIH?
IS-ISIIHmulticast MACLevel-1 router - Question #39IPv4 Routing Technologies
Which of the following statements about OSPF protocol packets is wrong?
OSPF packetspacket typesIP protocol encapsulationprotocol number - Question #40IPv4 Routing Technologies
Regarding the ABR in OSPF, which is the wrong description?
OSPF ABRLSA generationLSDBarea border router - Question #41IPv4 Routing Technologies
Which of the following descriptions about OSPF default routing is wrong?
OSPF default routeLSA typesABRASBR - Question #42IPv4 Routing Technologies
Regarding the description of LSA header information in OSPF AS-External ?LSA, which is wrong?
OSPF AS-External LSALSA headerForwarding AddressASBR - Question #43Layer 2 Technologies
Which function does the switch control plane not include?
switch control planedata planepacket forwardingswitch architecture - Question #44IPv4 Routing Technologies
By default, on a router running IS-IS in a broadcast network, how many seconds does DIS send CSNP messages?
IS-ISCSNP intervalDISbroadcast network - Question #45Network Management and O&M
The MAC address of a certain PC is 5489-98FB-65D8. The administrator wants this PC to obtain the specified IP address 192.168.1.1/24 from the DHCP server, which of the following mu...
DHCP static bindingMAC address bindingDHCP command syntax - Question #46IPv6 Technologies
Which of the following is not the main function of NDP?
NDPIPv6 neighbor discoveryPath MTU Discoveryduplicate address detection - Question #47IPv4 Routing Technologies
Which of the following is the configuration command for linkage between VRRP and BFD?
VRRPBFDtrack configurationVRRP BFD linkage - Question #48Network Security
Regarding the description of configuring the security level of the security zone of the firewall, which of the following is wrong?
firewall security zonesecurity levelzone configurationfirewall policy - Question #49IPv4 Routing Technologies
Which of the following is the command to configure the VRRP preemption delay?
VRRPpreemptiontimer delayVRRP configuration - Question #50Network Security
Compared with routers and switching machines, what is the unique forwarding module of the firewall?
firewall hardwareSPUforwarding modulefirewall architecture