H12-891_V1.0 Exam Questions
768 real H12-891_V1.0 exam questions with expert-verified answers and explanations. Page 12 of 16.
- Question #551SDN and Network Automation
Engineers need to collect the operating status of existing network equipment. Currently, there is a Huawei CE12800 switch configured with an SSH server on the current network. The...
PythonParamikoSSH scriptingdevice monitoring - Question #552Advanced IP Routing and Multicast
The rules of route advertisement by RR violate the rules of IBGP split horizon, so it may cause loops in the AS. What routing attributes does RR use to prevent loops? (Multiple cho...
BGP Route ReflectorCluster ListOriginator IDIBGP loop prevention - Question #553SDN and Network Automation
HTTP/1.1 is the mainstream standard today. Regarding the HTTP/1.1 request message, which of the following request methods are included? (Multiple choice)
HTTP/1.1REST APIrequest methodsprotocol - Question #554SDN and Network Automation
Network tuning calculation means selecting the appropriate tuning purpose, applying the corresponding algorithm, and calculating the optimization path globally or locally. Which of...
traffic engineeringpath calculationSDN controllerTE constraints - Question #555QoS and Network Security
After the port security function is enabled on the switch, if the number of interface MAC addresses reaches the upper limit, which of the following processing behaviors may the swi...
port securityMAC address limiterror-downswitch security - Question #556Network Architecture and Design
Part of the configuration of the switch is shown in the figure. Which of the following descriptions of the configuration on this switch are correct? (Multiple choice)
DHCP relayDHCP server groupVLANIFswitch configuration - Question #557Network Operation and Maintenance and Troubleshooting
Which of the following intelligent operation and maintenance functions supported by Huawei Cloud Campus Network Solution include? (Multiple choice)
intelligent O&Mcampus networkAI analyticsTelemetry - Question #558MPLS and VPN Technologies
What are the following advantages of GRE tunnel? (Multiple choice)
GRE tunnelVPNmulticast encapsulationtunneling - Question #559Network Operation and Maintenance and Troubleshooting
Unified monitoring and performance management of network equipment are important functions of the operation and maintenance platform. Which of the following protocols or technologi...
SNMPTelemetryNetStreamSyslog - Question #560Advanced IP Routing and Multicast
As shown in the figure, OSPF protocol is enabled on all interfaces of the router. The IP addresses identified in the figure are all the IP addresses of the Loopback0 interface of t...
OSPF multi-areainter-area routingLoopback interfacearea connectivity - Question #561Advanced IP Routing and Multicast
As shown in the figure, a campus deploys the OSPF protocol to achieve network interoperability, and Area1 is deployed as an NSSA area. In order to allow R1 to access the loopback i...
OSPF NSSAType7 LSAASBRLSA conversion - Question #562QoS and Network Security
Which of the following descriptions about 802.1X authentication are correct? (Multiple choice)
802.1XEAP relayEAPoLRADIUS authentication - Question #563QoS and Network Security
The enterprise wide area bearer network needs to provide different service quality guarantees for various services. At this time, Qos planning can be used to ensure that various se...
QoS planningconsistencyscalabilityrationality - Question #564MPLS and VPN Technologies
SR MPLS directly uses the forwarding plane of MPLS, so the MPLS function needs to be enabled when deploying SR NIPLS. When which of the following conditions are met, the interface...
Segment RoutingSR MPLSSRGBIGP integration - Question #565MPLS and VPN Technologies
Flavor can be used to enhance the End series instructions to meet richer business needs. Which of the following options belong to Flavor? (Multiple choice)
SRv6FlavorPSPUSD - Question #566MPLS and VPN Technologies
SR-MPLS can use the IGP protocol to advertise topology information, prefix information, SRGB and label information. In order to complete the above functions, the OSPF protocol defi...
SR-MPLSOSPF TLVPrefix SIDAdjacency SID - Question #567MPLS and VPN Technologies
The figure below shows MPLS-VPNL3VPN cross-domain Option C mode 2, in which ASBR-PE2 is connected to CE3 and runs the EBGP protocol. In order to achieve interoperability among all...
L3VPN Option Ccross-domain MPLSBGP address familyASBR-PE - Question #568MPLS and VPN Technologies
Which of the following descriptions of MPLS header TTL are correct? (Multiple choice)
MPLS TTLTTL copylabel switchingtraceroute - Question #569SDN and Network Automation
The development of 5G and cloud services drives the implementation of business-defined network architecture, that is, the application puts forward requirements (delay, bandwidth, p...
SDN controllerbusiness-driven network5Gnetwork telemetry - Question #570Network Architecture and Design
As shown in the figure, R1 and R2 establish a GRE tunnel. If the R1 device is required to "Ping -a 10.1.1.1 10.3. 1. 1" to successfully ping, which of the following items needs to...
GRE tunnelstatic routingtunnel interfaceping source - Question #571QoS and Network Security
Which of the following certification procedures is correct? (Multiple choice)
802.1X authenticationcertification proceduresecurity inspection - Question #572Network Architecture and Design
Which of the following are the advantages of using stacking and clustering technologies to build a campus network? (Multiple choice)
stackingclusteringcampus network designlink utilization - Question #573Advanced IP Routing and Multicast
According to the information given in the picture, which of the following descriptions is correct? (Multiple choice)
IS-ISinterface typeIPv6 routingLevel-1-2 - Question #574SDN and Network Automation
NETCONF content layer is device configuration data. For the following NETCONF information, which items are described correctly? (Multiple choice)
NETCONFYANG modeledit-configVLAN configuration - Question #575Network Architecture and Design
In the scenario of large and medium-sized virtualized campus networks, which of the following descriptions about network deployment design are correct? (Multiple choice)
virtualized campusiMaster NCEDHCP option 148controller onboarding - Question #576SDN and Network Automation
A certain campus network has deployed two virtual networks through iMaster NCE-Campus, the R&D VN and the marketing VN. The R&D personnel belong to the R&D security group and acces...
VN intercommunicationsecurity grouppolicy control matrixiMaster NCE-Campus - Question #577MPLS and VPN Technologies
A certain network runs SR-MPLS. Now R1 wants to access R7, and its label stack is as shown in the figure. Which of the following may be the paths for R1 to access R7? (Multiple cho...
SR-MPLSlabel stackpath computationsegment routing - Question #578Network Operation and Maintenance and Troubleshooting
What parts does the header of the HTTP/1.1 protocol response message consist of? (Multiple choice)
HTTP/1.1response headerstatus codereason phrase - Question #579Network Operation and Maintenance and Troubleshooting
What parts does the response message of the HTTP/1.1 protocol consist of? (Multiple choice)
HTTP/1.1response message structurestatus lineresponse body - Question #580MPLS and VPN Technologies
In an SRMPLS network, label conflicts may occur between manually configured PrefixSIDs on different devices. If there are four routes (prefix/mask SID) as shown in the options, acc...
SR-MPLSPrefixSIDlabel conflictconflict resolution - Question #581QoS and Network Security
As shown in the figure, 802.1X authentication is deployed on GE0/0/1 of Sw2. Which items in the following description are correct? (Multiple choice)
802.1Xinterface-based access controlMAC-based access controlport authentication - Question #582Network Architecture and Design
Which statement about the VRRP protocol version is correct? (Multiple choice)
VRRPVRRPv2VRRPv3gateway redundancy - Question #583Advanced IP Routing and Multicast
As shown in the figure, PC1 and PC2 are hosts belonging to the same network segment. Which of the following descriptions of the IPv6 neighbor status between PC1 and PC2 are correct...
IPv6 NDPneighbor statesneighbor discoveryreachability - Question #584SDN and Network Automation
The <config> operation of the NETCONF protocol may contain the optional "operation" attribute, which is used to specify the operation type for the configuration data. "Operation" i...
NETCONFoperation attributeedit-configconfiguration management - Question #585QoS and Network Security
A company has two main network businesses: 1. Real-time video streaming service based on UDP 2. TCP-based FTP download service The company's network administrator often receives co...
QoS schedulingTCP global synchronizationtail droptraffic priority - Question #586Advanced IP Routing and Multicast
Which of the following description of LinkID, Data, Type and Metric in Router-LSA is correct? (Multiple choice)
Router-LSAOSPF LSA fieldslink state advertisementLSA structure - Question #587Advanced IP Routing and Multicast
When the ErrorCode of the BGP Notification message is 2, it means that the OPEN message is wrong. Which of the following error subcodes does it contain? (Multiple choice)
BGP NotificationOPEN message errorserror subcodesBGP error handling - Question #588SDN and Network Automation
In order to ensure the reliability of Huawei iMasterNCE-WAN controller, active and backup controllers can be deployed. In order to ensure access to the active and backup controller...
iMasterNCE-WANcontroller HAactive-backup controllerSDN controller redundancy - Question #589Advanced IP Routing and Multicast
Which of the following sequence of numbers can be matched by the regular expression 100$? (Multiple choice)
regular expressionBGP AS-path filterroute policypattern matching - Question #590QoS and Network Security
In the following description of the Portal protocol, which options are correct? (Multiple choice)
Portal protocolnetwork access authenticationCHAP PAPUDP client-server - Question #591SDN and Network Automation
XML is the encoding format of the NETCONF protocol. NETCONF uses text files to represent complex hierarchical data. For the following XML file, which items are described correctly?...
NETCONFXML encodingTLV formatconfiguration protocol - Question #592MPLS and VPN Technologies
Which of the following descriptions of SR-MPLS Policy path planning are correct? (Multiple choice)
SR-MPLS Policypath planningbandwidth delay optimizationTWAMP IFIT - Question #593Advanced IP Routing and Multicast
IPv6 is deployed in a campus for business testing. There are 4 routers (R1, R2, R3 and R4) in the network, running OSPFv3 to realize the interconnection of IPv6 networks. A new rou...
OSPFv3LSA typesType4 Type5 LSAexternal route redistribution - Question #594MPLS and VPN Technologies
As shown in the figure, a MIP-BGP neighbor relationship is established between PE 1 and PE2 through the Loopback0 interface. After the configuration is completed, it is found that...
MP-BGPVPNv4 address familyPE-CE routingMPLS VPN troubleshooting - Question #595Data Center Network Technologies
The topology shown in the figure uses a VXLAN distributed gateway. The VXLAN VNI value in the VPN instance bound to VBDIF is 1020. Which items in the following description are corr...
VXLAN distributed gatewayVNI mappingL2 L3 VNIinter-subnet routing - Question #596Data Center Network Technologies
The topology shown in the figure uses VXLAN distributed gateway. VBDIF10 on SW1 is configured with: arp-proxylocalenable command. Which items in the following description are corre...
VXLAN distributed gatewayARP proxyL2 L3 forwardingVBDIF - Question #597MPLS and VPN Technologies
Segment Routing SR (Segment Routing) is a technical architecture designed to forward data packets on the network based on the source routing concept, while Segment Routing MPLS ref...
Segment RoutingSR-MPLSsource routingMPLS forwarding - Question #598SDN and Network Automation
After configuring snetconf server enable on Huawei network equipment, the client can establish a NETCONF connection with the equipment through port number 830.
NETCONFSSH port 830snetconf servermanagement protocol - Question #599Network Architecture and Design
When a router receives an IPv6 message and the NextHeader field value of its basic header is 43, the next header must be SRH.
IPv6 routing headerNextHeader fieldSRH type 4SR over IPv6 - Question #600MPLS and VPN Technologies
In Segment Routing, a strict explicit path refers to specifying a specific Adjacency SID or Node SID when creating a forwarding path.
Segment Routingstrict explicit pathAdjacency SIDNode SID