Huawei H12-831_V1.0 問題集

質問 1：
The rollback operation of project cutover can be temporarily determined according to the situation during cutover, and no advance plan is required.
A. False
B. True
正解：A

質問 2：
A company consists of a head office and two branch offices, and uses MPLS VPN technology to transmit private network routes. In the networking mode of HuB&Spoke. Branches can only send and receive routes to and from the head office, and branches cannot directly send and receive routes to each other. In order to achieve the above requirements, which of the following schemes can the setting of RT be?
A. head officeImport Target:l:l;Export Target: 3:3OBranchl:Import
Targeta:3:3;Export Target: l:loBranch2:Import Target: 3:3; Export Target:2:2
B. head office:Import Target 12:3; Export Targetr 3:12OBranchl:Import Target,3:12;Export Target 12:3OBranch2:Import Target: 3:12: Export Target: 12:3
C. head office:Import Target: 2:2;Export Target:3:3oBranchl:Import Target:
3:3.Export Target: l:loBranch2:ImportTarget: 3:3; Export Target.2:2
D. head office:Import Target 1:1, 2:2;Export Target: 3:3OBranchl:Import Target:3:3; Export Target: l:loBranch2:ImportTarget:3:3; Export Target:2:2
正解：B,D

質問 3：
The correct description for the configuration on this switch is:
[Huawei]dhcp enable
[Huawei]interface Vlanif 100 [Huawei-Vlanif 100]dhcp select relay

A. VANIF100The interface will receive theDHCPmessage, sent to the outside through the relayDHCP Server
B. First you need to createDHCPmonth starter group and add to server groupDHCPserver
C. YoujizhiDHCPYuegen server and mouthDHCP relayByKmust be enabled globallyDHCP
D. forVLAN100interface designationDHCPThe server group isdhcpgroupl
正解：A,B,C,D

質問 4：
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?

A. After the network converges,R1forDR
B. After the network converges, a new device is added to the broadcast linkR4,R4the priority is150. When the network converges again,R4forDR
C. After the network converges, engineers modifyR1the priority is100,R2the priority is10,R3Keep the default value. When the network converges again,R1forDR, R2forB, DR
D. After the network convergesR1Power off and restart, when the network converges again,R3forDR
正解：D

質問 5：
The cutover risk assessment mainly considers which of the following aspects?
A. time of risk
B. Scope of Risk Impact
C. loss from risk
D. Location of key risk points
正解：A,B,C,D

質問 6：
Regarding the label space of MPLS, the description is wrong:
A. If the out tag value is0,The router will directly discard the packet
B. penultimate jumpLSRWhen performing label exchange, if the exchanged label value is found to be3,By default, the label is popped and the message is sent to the last hop
C. 16~1023is staticLSPand staticCR-LSPshared tab space
D. 1024Above areLDP,RSVP-TE. MP-BGPLabel space shared by other dynamic signaling protocols
正解：A