Huawei H12-831_V1.0-ENU 問題集

質問 1：
BFDLink state detection at the heart (millisecond) level can be achieved.
A. right
B. wrong
正解：A

質問 2：
Which of the following statements about IPSG is false?
A. IPSGcan preventIPaddress spoofing attack
B. able to passIPSGPrevent the host from changing privatelyIPaddress
C. IPSGcan be turned onIPPacket inspection alarm function, linked with the network management to alarm
D. IPSGis a source based on a three-layer interfaceIPaddress filtering technology
正解：D

質問 3：
Which of the following descriptions is correct about configuring static LSPs in MPLS networks?
A. when a certainLSRforEgress LSR, you only need to configureIn Label,The range is 16-1023
B. when a certainLSRforTransit LSRneed to be configured at the same timeIn LabelandOut Label,The range is 16-1023
C. when a certainLSRforTransit LSR, you need to configureIn LabelandOut labeljn LabelThe range is 16~1023,Out LabelThe range is16~1048575
D. when a certainLSRforIngress LSR, just configureOut Label,The range is 16~1048575
正解：A,C,D

質問 4：
The OSPF protocol is run between CE and PE, when CE1 advertises the route of its site to CE2. Which of the following descriptions is incorrect?
A. whenPE2receivePEIsentBGProutedDomain IDSame as local forType3 LSA.
PE2will generateType5 LSA
B. whenPE2receivePE1sentBGProutedDomain IDWhen the same as local, forTypel LSAandType2LSA. PE2will generateType3 LSA
C. whenPE2receivePE1sentBGProutedDomain IDcorrect for all when different from localLSA.
PE2will generateType5LSAorType7 LSA
D. PEIconfiguredDomain IDcan be used asBGPThe extended community attribute of is sent with the route toPE2
正解：A

質問 5：
As shown in the figure, Sitel and Site2 need to achieve mutual access through the operator's BGP/MPLS IPVPN. A known The public network tunnel between PE1 and PE2 has been established (the label information is shown in the figure), and PF1 has The 192.168.1.0/24 network segment route is advertised to PE2 through the MP.JIBGP neighbor relationship, and the route learning is normal. When grabbing between P and PE1, when Site2 accesses the 192.168.1.0/24 data of Sitel, the outermost label What should the sign be?

FEC In/Out label
1.1.1.1/32 6662/3
A. 6661
B.
C. 8888
D. 6662
正解：C

質問 6：
According to this diagram, can we break the


A. R4dry onlyLevel2
B. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2
C. R4belong only toLevel-1
D. system-IDforee8c.a0c2.baf2The device' whose type isLevel-1
正解：B,C

質問 7：
When deploying BGPIMPLS IPVPN, when two VPNs have a common site, the common site must not use overlapping address space with other sites of the two VPNs.
A. False
B. True
正解：A

質問 8：
A campus has deployed IPv6 for service testing. There are 4 routers in the network, running 0SPFv3 to implement IPv6 network interconnection. As shown in the figure, an engineer checked the LSDB of R2 and intercepted one of the Link-LSAs. Which of the following statements is true about the description of this LSA?

A. The SA shows 2 does not support external routing, but participates in IPv6 routing calculation
B. The router that generates this LSA is R2 port R2 connected
C. The link-local address of R2 interface GEO/0/0 is: FE80::2E0:FCFF:FEC, D:4F79
D. IPv6 address prefix for GEO/0/0: 2001:DB8:2345:23::/64
正解：B,C,D

質問 9：
A campus deploys both IPv4 and IPv6 networks for service testing, and runs IS-IS to realize network interconnection. The IS-IS routing protocol has good scalability and is widely used in the existing network. Which of the following statements is true about IS-IS scalability?
A. forIS-ISIn terms of adding new features, only adding newTLVJust
B. IS-ISto supportPV6to addTLVcarryPv6Address information
C. IS-ISuseTLVstructure builds the message so thatIS-ISMore flexibility, flexibility and scalability
D. N LPIDYesIS-ISto supportIPv6an addedTLV
正解：A,B,C