Aug-2022 H12-831_V1.0-ENU Study Material, Preparation Guide and PDF Download [Q140-Q156]

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Aug-2022 H12-831_V1.0-ENU Study Material, Preparation Guide and PDF Download

Free H12-831_V1.0-ENU Certification Sample Questions with Online Practice Test

QUESTION 140
Regarding the IPSG, which of the following statement is incorrect?

IPSG can prevent IP address spoofing attacks

IPSG is a source IP address filtering technology based on the three-layer interface

IPSG can turn on the IP packet inspection and alarm function, and cooperate with the network management to perform alarms

IPSG can prevent the host from changing the IP address privately

QUESTION 141
The correct description for the configuration on this switch is:
[Huawei]dhcp enable
[Huawei]interface Vlanif 100 [Huawei-Vlanif 100]dhcp select relay

YoujizhiDHCPYuegen server and mouthDHCP relayByKmust be enabled globallyDHCP

forVLAN100interface designationDHCPThe server group isdhcpgroupl

First you need to createDHCPmonth starter group and add to server groupDHCPserver

VANIF100The interface will receive theDHCPmessage, sent to the outside through the relayDHCP Server

QUESTION 142
The routing policy tools that can be used by BGP mainly include Filter-policy and Route-policy. Fiter-policy can only filter routes, and Route-policy can only modify routes.

Yes

wrong

QUESTION 143
What is the value of the linkage between OSPF and BFD?

OSPFofhelloThe sending interval is in seconds, more thanBFDInduction link status is fast

BFDThe message sending interval can reach the millisecond level, which is less thanOSPFInduction link status is slow

Detected at the millisecond levelBFD. associationOSPFstate, fulfilledOSPFThe purpose of quickly sensing the status of the tank

BFDAny change in state will not affectOSPFneighbor state

QUESTION 144
To ensure security, authentication can be configured in the OSPFV3 process area view.

True

False

QUESTION 145
In the test phase of cutover, which standards that can indicate the test has been completed?

The configuration check result of the IP device is normal as the standard

Test network business as normal as the standard

The upper-layer application service test carried by the network is normal as the standard

Check that the network is running normally as a standard

QUESTION 146
During the process of viewing the debug output through the SSH terminal, a lot of information pops up. Which of the following operations can make the Monitor terminal no longer pop up the debug message? (Multiple choice)

Open the notepad, enter undo terminal debugging, copy the command line, and paste it into the Monitor interface

Open the notepad, enter undo debugging all, copy the command line, and paste it into the Monitor interface

Open the notepad, enter undo terminal monitor, copy the command line, and paste it into the monitor interface

Exit the current Monitor interface, log in to the device again using SSH to open a new Monitor interface

QUESTION 147
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 148
As shown in the figure, Client1 and Client2 act as clients of RR1 and RR2 at the same time, and RR1 and RR2 are in the same In a Cluster, R introduces 10 routes. It is assumed that the configuration of B, CP is correct. Neighbor relations have been established Now, how many routing entries exist in the BGP routing table of Client2?

QUESTION 149
What types of Link Types are included in the Router LSA in OSPF? (Multiple choice)

Vlink

StubNet

TransNet

P-2-P

QUESTION 150
When deploying BCPIMPLS TP VPN, the OSPF VPN route tag (VPN Route Tag) is not transmitted in the MP-BGP extended community attributes. It only makes sense on PE routers that receive MP-BGP routes and generate OSPF LSA.

TRUE

FALSE

QUESTION 151
About the difference between NSR and NSF, which is correct?

NSFCan be done without neighbor routers

NSRMust rely on neighbor routers to complete

NSFMust rely on neighbor routers to complete

NSRandNSFBy6Requires neighbor router to complete

QUESTION 152
In BGPIMPLS IP VPN, if the OSPF protocol is used between PEs and CEs to exchange routing information, the domain identifier (Domain ID) is used to distinguish whether the incoming routes in the VPI instance come from the same OSPF domain.

True

False

QUESTION 153
In OSPF, the A, BR will convert all type 7 L SAs in the NSSA area to type 5 L SAs.

True

False

QUESTION 154
In a multi-level RR scenario, a large number of second-level RR are connected to the first-level RR, which may cause the BGP routing table of the first-level RR to overflow. What method can be used to reduce the risk of overflow of the BGP routing table of the first-level RR?

ORF

Route aggregation

Routing control

Set the same Cluster-lD

QUESTION 155
Configure ipv6 preference in IS-IS protocol view. The function of this command is to configure the preference of IPv6 routes generated by lS-Is protocol.

TRUE

FALSE

QUESTION 156
Which packets can Huawei devices perform traffic suppression for? (Multiple choice)

Unknown unicast

Known unicast

Multicast

Broadcast

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