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Huawei H12-831_V1.0 Practice Test - Questions Answers, Page 14
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Question 131
EGP authentication can prevent illegal routers from establishing neighbors with B, CP routers. B, CP authentication can be divided into MD5
Authentication and Keychain authentication, which of the following BGP documents will carry the B, CGP Keychain authentication letter interest? (header carry)
Open
Update
Notice
Keepalive
Question 132
A router runs OSPF, and the output information is shown in the figure. Which of the following statements is correct?
ShouldLSAis of typeAS-external-LSA
ShouldLSAThe described destination network is10.0.23.0/24
in the pictureLSAis generated by this router
This device isA, BR
Question 133
OSPFV2 is an IGP running on an IPv4 network; OSPFV3 is an IGPo running on an IPv6 network. The basic working mechanism of OSPFv3 is the same as that of OSPFV2, such as the election of DR and B, DR. As shown in the figure, an engineer uses 3 routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFV3.
Pass. Which of the following statements about the election of the network DR is correct?
After the network converges, engineers modifyR1the priority is100,R2the priority is10,R3Keep the default value. When the network converges again,R1forDR, R2forB, DR
After the network converges, a new device is added to the broadcast linkR4,R4the priority is150. When the network converges again,R4forDR
After the network convergesR1Power off and restart, when the network converges again,R3forDR
After the network converges,R1forDR
Question 134
Which of the following are advantages of VLAN aggregation?
decreasedIPwaste of address
added availableM LANquantity
Increased addressing flexibility
accomplishSub-VLANIsolation between broadcast domains
Question 135
In an operator's MPLSVPN network, there are two devices PE1 and PE2 for MPLSVPN data forwarding. PE1 receives a private network route of 172.16.1.0/24 from the client, and converts it to a VPNv4 route on PE1 and assigns a label of 1027 Released to PE2. The outgoing label of the MPLS LSR-ID of PE2 reaching PE1 is 1025o When a client on PE2 accesses 172.16.1.0/24, the frame sent by PE2, the inner and outer labels should be a combination of the following 6 options?
outer layer label:1025:inner label:1027
outer layer label:1027:inner label:1027
Layer Label:1027:inner label:1025
Layer Label,1025:inner label:1025
Question 136
Regarding the sham link, which of the following descriptions is wrong?
sham linkThe coat is twoVPNlinks between instances, eachVPNThere must be one in the instancesham linkthe endpoint address, it must bePEon the routerVPNone in the address space has32bitmaskedLoopbackinterface address
becauseVPNflow is throughMPLSBackbone forwarding,sham linkThe routing cost should be less thanbackdoorroadOSPFrouting cost
sham linkThe endpoint address of theBGPasVPhv4address published. passedsamlikThe route can also be reconfigured withVPNv4The form of routing is introduced toBGP
Sham linkIt can be configured in any area and needs to be manually configured and the local endVPNThe instance must have tosham linkdestination address (peerPEofsham linkendpoint address) routing
Question 137
What is the Router-ID of OSPFv3?
100bit value
128bit value
32bit value
64bit value
Question 138
Which of the following BGP routing attributes cannot control BGP routing?
MED
AS Path
Community
Originator ID
Question 139
Part of the configuration of R1 is as follows. Which statement about IS-IS on R1 is correct?
3vpn-instarwce rr
level- 2
cost-style wide
-erntity 47.ccOa 3eft)btxlci-dael
process2with process3The routing information is isolated
process1Contains only global routing information
process1Also contains global routing information. andVRFtt,rrrouting information
process2with process3routing information will be shared
Question 140
Which of the following are documents that need to be handed over as part of the wrap-up of a structured network troubleshooting process files?
Maintenance suggestions to avoid this fault
Troubleshooting Summary Report
Troubleshooting Procedure Documentation
slightly
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