Get Ready to Boost your Prepare for your H12-831_V1.0-ENU Exam with 211 Questions [Q45-Q68]

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Get Ready to Boost your Prepare for your H12-831_V1.0-ENU Exam with 211 Questions

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Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: MPLS Technologies	19%	– MPLS principles – MPLS VPN applications – MPLS configuration – MPLS forwarding
Topic 2: Advanced IGP Features	17%	– Fast convergence – OSPF advanced features – IS-IS advanced features – Route control
Topic 3: Network Troubleshooting	10%	– Troubleshooting methods – Structured troubleshooting processes
Topic 4: IPv6 Routing	20%	– BGP4+ – IS-IS for IPv6 – IPv6 static routes – OSPFv3
Topic 5: Advanced BGP Features	10%	– Inter-domain routing optimization – Advanced BGP features – BGP route control – Route reflectors
Topic 6: Network Cutover	7%	– Basic cutover concepts – Migration process
Topic 7: Network O&M	7%	– Data collection – Routine maintenance
Topic 8: Advanced Ethernet Technologies	10%	– VLANs – Ethernet security

NO.45 Which of the following statements about 1S-IS (IPv6) is true?

to supportIPv6Processing and counting of routesBJS-ISexist129 TLVadded inNLPID

IS-ISWorking at the data link layer only needs to add newTLVready to supportPv6

to supportIPv6Processing and calculation of routesIS-ISnewly addedTLV232236

by defaultJS-ISTurn on the multi-topology feature

NO.46 The OSPF protocol runs between CE and PE, when CE1 advertises the route of the site to CE2. Which of the following description is wrong?

When PE2 receives a BGP route from PE1 that carries a different Domain ID from the local one, it is correct for all LSAs, and PE2 will generate Type5 LSA or Type7 LSA

When PE2 receives the same Domain ID as the local BGP route sent by PE1, PE2 will generate Type3 LSA for Type1 LSA and Type2 LSA

When PE2 receives the same Domain ID as the local BGP route sent by PE1, for Type3 LSA, PE2 will generate Type5 LSA

The Domain ID configured by PE1 can be used as an extended community attribute of BGP and sent along with the route to PE2.

NO.47 On the OSPFv3 network shown in the figure, area 1 is a totally stub area, area 2 is a common area, and area 3 is a totally NSSA. The IPv6 address of Loopback0 on R6 is 2000::6/128. The router ID of each router is 10.0.X.X, where X is the number of the router. When all links are normal, which of the following statements are true?

The path for data packets from R4 to 2000::6 may be R4 # R2 # R6.

The path for data packets from R4 to 2000::6 may be R4 # R1 # R5 # R3 # R6.

The path for data packets from R4 to 2000::6 may be R4 # R1 # R3 # R6.

The path for data packets from R4 to 2000::6 may be R4 # R1 # R2 # R6.

NO.48 When troubleshooting dual-master faults in a VRRP backup group, which of the following statements is wrong?

There is no need to check whether the switch port that transmits the VRRP advertisement message is in the same VLAN

Need to check whether the VRRP group ID on the interface is the same

Need to check whether the interface IP address is in the same network segment

Need to check whether the virtual IP addresses of the VRRP group are the same

NO.49

On the OSPF network shown in the figure, the cost values of links are marked. OSPF IP FRR is enabled on R1, and the maximum load-balancing 8 command is configured in the OSPF process. Which of the following is the cost value of the route 10.0.35.0/24 in the routing table of R1?

NO.50 Network engineers found that the multicast client could not receive multicast data correctly, so they suspected that the group address set by the multicast server was wrong. Which of the following cannot be the group address?

232.0.0.18

224.0.0.1

233.0.0.2

224.0.1.5

NO.51 The link status information between different S.4S processes of the routers around the Taiwan and Taiwan is considered to be sound insulation.

True

False

NO.52 On the OSPFv3 network shown in the figure, OSPFv3 is enabled on the interfaces connecting R1, R2, and R3. The router ID of each router is 10.0.X.X, where X is the number of the router. If you check detailed information about an LSA on R3, the command output shows that R1 and R2 are DRs on the network.

TRUE

FALSE

NO.53 A company consists of a head office and two branches, and uses MPLS VPN technology to deliver private network routes. In the networking mode of HuB & Spoke. Branches can only send and receive routing with the head office, and branches cannot directly send and receive routing with each other. In order to achieve the above requirements, which of the following options can be set for RT? (Multiple choice)

Headquarters: Import Target 12:3; Export Target: 3:12. Branch 1: Import Target: 3:12; Export Target 12:3. Branch 2: Import Target: 3:12: Export Target: 12:3

Headquarters: Import Target: 1:1; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1. Branch 2: Import Target: 3:3; Export Target: 2:2

Headquarters: Import Target 1:1, 2:2; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1. Branch 2: Import Target: 3:3; Export Target: 2:2

Head Office: Import Target: 2:2; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1. Branch 2: Import Target: 3:3; Export Target.2:2

NO.54 As shown in the figure, the operator’s BGP/MPLS IP VPN backbone network builds SP through DP. If you want to implement user X If the two sites communicate through the BGP/MPLS IPVPN network, PE1 and PE2 must use a 32-bit masked loopback interface address to establish an MP-IBGP peer relationship.

True

False

NO.55 Based on the locally maintained LSDB, the device running the OSPF protocol calculates the shortest path tree with itself as the root through the SPF algorithm, and determines the next hop to the destination network based on this shortest path tree. If the network changes frequently, the maximum interval of the SPF calculation can be set to 0 to increase the speed of route convergence.

True

False

NO.56 After the cutover is completed, which items generally need to be checked? (Multiple choice)

Software version

Physical topology

Data flow

Control plane entries

NO.57 Network administrator A wants to use AS-Path Filter to match the BGP routing attribute AS_PATH[100200300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can meet the requirements of network administrator A?

way A

way D

WayC

way B

NO.58 As shown in the figure, the cost value of the link that all interfaces of the router enable OSPF is identified in the figure. Loogback0 interfect of R2 is advertised in area 0. In area 1, both R2 and R3 will be transmitted in the form of Typae3 LSA 10.0.2.2/32 routing information.

TRUE

FALSE

NO.59 ping -a Xc Ys z -vpn-instance M 10.5.16.2, the meaning of this command is:

ShouldpingsendYindivualICMPask

ShouldpingofICMPThe request packet size isZ(excludingIPandICMPhead)

Shouldpingpackage sourceIFPaddress isX

Shouldpingpackage belongs toVPNexampleM

NO.60 In the figure, an administrator needs to enable MPLS LDP on R1 to R4. Which of the following configurations of R1 is correct?

[R1] mpls lsr-id 1.1.1.1
[R1] mpls
[R1-mpls] quit
[R1] mpls ldp
[R1-mpls-ldp] quit
[R1] interface gigabitethernet 0/0/1
[R1-GigabitEthernet0/0/1] mpls
[R1-GigabitEthernet0/0/1] quit

[R1] mpls lsr-id 1.1.1.1
[R1] mpls
[R1-mpls] quit
[R1] mpls ldp
[R1-mpls-ldp] quit
[R1] interface gigabitethernet 0/0/1
[R1-GigabitEthernet0/0/1] mpls
[R1-GigabitEthernet0/0/1] mpls ldp
[R1-GigabitEthernet0/0/1] quit

[R1] mpls
[R1-mpls] quit
[R1] mpls ldp
[R1-mpls-ldp] quit
[R1] interface gigabitethernet 0/0/1
[R1-GigabitEthernet0/0/1] mpls
[R1-GigabitEthernet0/0/1] mpls ldp
[R1-GigabitEthernet0/0/1] quit

[R1] mpls lsr-id 1.1.1.1
[R1] mpls
[R1-mpls] quit
[R1] interface gigabitethernet 0/0/1
[R1-GigabitEthernet0/0/1] mpls
[R1-GigabitEthernet0/0/1] mpls ldp
[R1-GigabitEthernet0/0/1] quit

NO.61 Which of the following statements about the MP_REACH_NLRI attribute of BGP4+ is correct? (Multiple choice)

The length of the next hop address can be 16 or 3

The value of AFI (address family) is 2, which represents IPv6

The NLRI field carries IPv6 routing prefix and mask information

When the length of the next hop address is 16, the Network Address of Next Hop carries the link local address

NO.62 Huawei NetEngine AR6120 and AR6121 both have two service interface card slots, and these two slots can be merged into one slot.

True

False

NO.63 In the figure, the company wants to ensure secure communication between the headquarters and branch, and isolate the R&D areas from non-R&D areas, without changing the current network deployment.
To meet this requirement, an administrator deploys BGP/MPLS IP VPN on the network.

Which of the following statements are true?

To enable communication between the headquarters and branch R&D areas, both the ERT and IRT of VPN1 and VPN2 can be set to 100:100.

To implement communication between the headquarters and branch R&D areas, the RDs of VPN1 and VPN2 need to be set to the same value.

R&D areas and non-R&D areas have overlapping address spaces. Therefore, services in the two areas cannot be isolated.

To isolate R&D areas from non-R&D areas at the headquarters, the RTs of VPN1 can all be set to 100:100 and the RTs of VPN3 can all be set to 200:200.

NO.64 As shown in the figure, a certain park has deployed IPv6 for service testing, and there are 4 routers in the network. Run OSPFv3 to realize network interconnection.

Regarding the LSA generated by the OSPFv3 network, which of the following statements is wrong?

R1 itself will generate Router-LSA to describe device interface information, and will receive Router-LSA generated by R2 and R3 at the same time

There is a Network LSA generated by R3 in the LSDB of R1, indicating that R3 may be the DR of this link

R1 will receive the two Link-LSAs generated by R2, describing the two links information connected to R2 respectively

As an ABR, R2 will generate Inter-Area-Prefix-LSA describing the IPv6 address prefix of Area 1, and advertise it to R1 and R3

NO.65 The BGP protocol supports the use of the “filter-policy acl-number import” command to subtract the received routing information. The value range of acl-number is 2000~3999.

True

False

NO.66 Network administrator A wants to use the IP Prefix List to match a specific route entry. Which of the following routes will Matched by the IIP Prefix List in the figure?

10.0.0.1/30

10.0.0.0/24

10.0.2.0/24

10.0.1.0/24

NO.67 Both VLAN aggregation and MUX VLAN are deployed on the enterprise network shown in the figure, and all switch interfaces connected to terminals are access interfaces. Given this, match PCI to PC4 with the hosts or servers that they can access on the network. (Note: A host cannot be matched with itself. For example, PCI cannot match PCI.) (Tokens can be reused.)

NO.68 Deployment in a small and medium-sized networkOSPF,When viewing the routing table of a device, it is found that there are only directly connected routes.
It is not possible for the operation to cause the fault?

Routing protocol configuration error

Incorrect routing policy configuration

Port address assignment problem

The configured user permissions are too low

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Get Ready to Boost your Prepare for your H12-831_V1.0-ENU Exam with 211 Questions [Q45-Q68]

Huawei H12-831_V1.0-ENU Exam Syllabus Topics:

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