최신 H12-831_V1.0-ENU 무료덤프 - Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0

문제1

BGP routing policies can control the advertisement and reception of routes.

A. True

B. False

정답: A

문제2

Which of the following actions may affect the normal operation of the customer's network?

A. software upgrade

B. Device naming

C. Hardware expansion

D. Routing Protocol Configuration Changes

정답: A,C,D

문제3

As shown in the figure, OSPF is deployed in a campus, and Area 1 is deployed as an NSSA are a. In the case of missing header, R2 will automatically generate a missing header route of Type 7 LSA and flood it in the NSSA area

A. True

B. False

정답: A

문제4

Part of the configuration of R1 is as follows. Which statement about OSPF on R1 is correct?
ospf 1 router-id 172.16.1.1
area 0.000
network 10.1.12.1 0.0.0.0
network 10.1"3"0.0.0.0
network 172.16/1 1 0.0.0.0
ospf 2 vpn-instance tt
area QQO.O
network 10J J 1 0.000

A. VRFttThe routing information will not be available nowOSPFprocess1in the routing table

B. process1and process2ofOSPF-LSDBits area0InsideLSAexactly the same

C. VRF ttThe routing information will appear inOSPFprocess1in the routing table

D. process1and process2ofOSPF LSD8within its areaLSAinconsistent

정답: A,D

문제5

Which of the following community attributes can ensure that the propagation scope of BGP routing entries is only within the AS?

A. Internet

B. No_Export_Subconfed

C. No_Export

D. No_Advertise

정답: B,C

문제6

The routing attributes of the three routing entries are shown in the figure. Assuming that the next hops of the three routing entries are all reachable, when these three routing entries are After the entries arrive at the BP router in order, by default, BGP will finally call a route entry?

A. slightly

B. Route A

C. Route C

D. Route B

정답: B

문제7

The Discovery message of LDP is used for neighbor discovery, and LDP has different discovery mechanisms when discovering neighbors. The following statement about the Discovery message in the basic discovery mechanism is correct

A. The message is sent to the specifiedLDP Peer

B. Purpose of the messageIPaddress is multicastIPaddress224.0.0.2

C. This message is encapsulated inUDPIn the message, the destination port number is646

D. TCPAfter the connection is establisheD. LSRdo not continue sendingHello Message

정답: B,C

문제8

An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two devices, which of the following Is a statement wrong?

A. BGP4+ transmits routing information between peers through Update packets

B. When the route is transmitted, it will carry recognized mandatory attributes such as AS_Path

C. If the MP_REA, CH_NLRI attribute is carried in the Update packet, it indicates that the advertisement is a reachable route

D. The Next_Hop attribute must be an IPv6 global unicast address when routing

정답: D

문제9

Engineer Guan used two routers to test IPv6 services. By running the BGP4+ module to communicate with the branch, as shown in Juxin, an engineer captured packets to view the Updte packets sent by R1. Which of the following statements is true about the description of the message information?

A. The next hop address of the route described in this packet is:2001:db8:2345:l::l\

B. This message describes only oneBGPAttribute: Multi-protocol unreachableNLRIAttributes

C. The maximum and the preceding length of the routing address described in this packet is:2001:db8:2345:l::l/128

D. This message describes the current cancellationIPv6routing

정답: B,C,D

문제10

Which of the following statements about the MP_REA, CH_NLRI attribute of BGP4+ is correct?

A. the length of the next hop address is16Time,Network Address of Next Hopcarries the link-local address

B. AFI (address family)value is2,representIPv6

C. NLRIfield carryIPv6Routing prefix and mask information

D. The length of the next hop address can be16or3

정답: B,C,D

문제11

Regarding the label space of MPLS, the description is wrong:

A. 16~1023is staticLSPand staticCR-LSPshared tab space

B. If the out tag value is0,The router will directly discard the packet

C. 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

D. 1024Above areLDP,RSVP-TE. MP-BGPLabel space shared by other dynamic signaling protocols

정답: B

문제12

What is the most efficient way to view device alarms through the CLI?

A. display alarm

B. display current-configuration

C. display clock

D. display interface brief

정답: A

문제13

According to this picture, we can judge?
<Huawei>display ospf Isdb router self-originate OSPF Process 1 with Router ID 10.0.12J Area: 0.0.0.0 Type:Router Lsid: 10.0.12 J Adv rtr: 10.0.12.1 Ls age: 312 Len: 36 Options : A, BR E
\seq#:80000013
1 chksum : 0xc61c
I Link count: 1
1 * Link ID: 10.0.12.2
I Data : 10.0.12.1
, Link Type: TransNet
. Metric : 1

A. R1existinglevel", andlevel-1-2Dimensional state information of

B. R1ofsystem IDYesee8c.a0c2.bafl

C. R1onlylevel-2link state information

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제14

There is the concept of forwarding equivalence class FEC in MPLS. The following description is wrong:

A. a forwarding equivalence classFECA unique label value is assigned on all routers

B. FECThe division is very flexible. Can be the source address, and the address, source port, destination port, protocol type or

C. sameFECgrouped inMPLSThere will be different processing in the network

D. MPLSGrouping packets with the same forwarding processing method is calledFEC

정답: A,C

설명: (DumpTOP 회원만 볼 수 있음)

문제15

The configuration shown is performed on R2 to filter all incoming routes. Suppose there is a BGP route with the AS_Path attribute of [100200300400] on R1 that needs to be sent to R2. Please help the network administrator to adjust the AS order in the AS_Path attribute of the route on R1 to ensure that the route entry will not be filtered by the routing policy of R2____, ____, ____, ____.

A. 300 This space corresponds to the [C] space in the routing policy

B. 400 This space corresponds to the [D] space in the routing policy

C. 200 This space corresponds to the [B] space in the routing policy

D. 100 This space corresponds to the [A] space in the routing policy

정답: A,B,C,D

문제16

What fields are added in Update in order to advertise IPv6 routes in BGP4+.

A. A new path attribute:MP_REA, CH_NLRI

B. A new path attribute:MP_UNREA, CH_NLRI

C. a new oneNLRITypes of"Pv6_NLR,which carryIPv6 NLRI prefix lengthandIPv6 NLRI prefix

D. a new path attribute:IPv6_REA, CH_NLRI

정답: A

문제17

What is wrong with this configuration description is:

[Huawei]dhcp enable
[Huaweijinte GigabitEthernet 0/0/1 [Huawei-GigabitEthernet0/0/1 ]dhcp option82 insert en [Huawei-GigabitEthernet0/0/1 ]dhcp snooping enable [Huawei-GigabitEthernet0/0/1]dhcp snooping trusted

A. turn onDHCP Snoopingconfiguration can be used to preventARPspoofing attack

B. turn onDHCP Snoopingconfiguration can be used to preventDHCP ServerCounterfeiter Attack

C. configureGigabitEthernetO/0/lThe interface is a trusted interface

D. ifGigabitEthemnetOIO/1received by the interfaceDHCPIn the request message, there is noOption82of SutOptioninformation, the device will generateOption82,and insert it into the message

정답: A

문제18

As shown in the figure, MPLS LSP is set up in the network, and the goal is to establish an LDP session between SWA and SWB.

A. Configured correctly

B. two devicesmpls Isr-idcannot be configured the same

C. No need to enable on the portMPLS

D. No global enable requiredMPLS

정답: B

최신 H12-831_V1.0-ENU 무료덤프 - Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0

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