Most Recent Huawei H31-161 Exam Questions & Answers

Prepare for the Huawei HCIE Carrier IP (Written) V1.0 exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

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The questions for H31-161 were last updated on Jan 17, 2025.

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Question No. 1

In MPLS QoS, traffic policies are developed based on simple traffic classification and complex traffic classification. In traffic policies based on simple traffic classification, the service class, color, and drop priority of packets are reset based on the tags in packets. In traffic policies based on complex traffic classification, measures such as traffic policing, priority re-marking, packet filtering, policybased routing, and traffic sampling are implemented based on the traffic type. Generally, simple traffic classification is applied on border routers in DiffServ domains, and complex traffic classification core routers. QoS traffic policies are configured by performing the following operations:

1. Defines DiffServ domains and configuring a traffic policy.

2. Classifies traffic.

3. Defines traffic behaviors and configures characteristics of behaviors.

4. Defines a traffic policy and specifies actions for traffic categories.

5. Applies the traffic policy.

6. Configures L-LSP.

7. Configures reverse address check.

8. Adds interfaces to the DiffServ domains.

Which of the preceding operations are required when you configure simple traffic classification?

A1 6 8

B2 4 5 7

C1 5 6

D2 3 4 8

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Correct Answer: A

Question No. 2

Which statement about the configuration of route target (RT) and route distinguisher (RD) is true?

AIf routes need to exchange between two VPNs, the value of import RT of one VPN must be partially the same as Export RT of the other VPN.

BRD and RT of a VPN instance cannot be the same as those of another VPN instance on the same PE.

CIf routers need to exchanged two VPNs, the value of import RT of one of the same as that of RT of the other VPN.

DTwo instances of a VPN share an RT.

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Correct Answer: A

Question No. 3

Which of the following can be implemented in an IP backbone network?

ARIP

BBGP

CISIS

DMPLS

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Correct Answer: B, C, D

Question No. 4

On the IP bearer network, which of the following methods can be used to manage devices on the backbone network and switches on the signaling VPN?

AConstruct an outband NM network to manage all devices.

BLeak public and private network routes to manage devices on the public and private networks.

CEstablish two physical or logical links with the PE to manage devices on the public and private networks. One link belongs to the public network and the other belongs to the private network.

DEstablish a physical or logical link with the PE and mount MCEs to the PE to manage devices on the public and private networks.

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Correct Answer: A, B, C

Question No. 5

Which statement about the MPLS LSP traceroute is true?

AThe destination IP address if an Echo request sent by the LSP traceroute is the IP address of the corresponding FEC.

BThe downstream mapping TLV is used to carry downstream information of the correct node.

CEcho request route sends by the LSP traceroute can cay multiple downstream mapping TLVs.

DThe egress route sends back an reply packet containing the downstream mapping TLV if the receives Echo request contains the downstream mapping TLV.

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Correct Answer: B

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