Free Huawei H31-161 Exam Actual Questions & Explanations

Last updated on: Jun 2, 2026

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Question No. 1

Refer to the exhibit.

As shown in the figure, inter-AS VPN Option A is used. CE 1 and CE 2 belong to the same VPN.AS 100 and AS 200 run IGP and LDP, respectively. ASBRs communicate with each other through EBGP. The loopback interface address of CE 1 is 10.1.1.1/24. Suppose CE 2 can ping CE 1. Which router allocates an inner label when PE 2 forwards packets from CE 2 to CE

1?

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Correct Answer: D

Question No. 2

If a (*, ) entry exists in the RP, Which of the following statements about the source registration are true in PIM_SM?

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Correct Answer: E

Question No. 3

In the access architecture of an IP bearer network, the OSPF protocol is enabled between two access routers, two firewalls (in transparent mode), and two Layer 3 switches. Softswitches work in active/standby mode. VRRP is enabled between the softswitches to provide a gateway. In normalcases, SW1 is the master router and SW2 is the backup router. Considering the reliability of the access network, how would you plan the cost value of each link in the OSPF area?

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Correct Answer: C

Question No. 4

On the OSPF network, which of the following statements about the authentication function of the OSPF protocol are true?

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Correct Answer: A, C, D

Question No. 5

Refer to the exhibit.

As shown in the figure, RTA belongs to AS 100 and has an EBGP

neighbor relationship with RTB. RTB, RTC, RTD, RTE, and RTF belong to AS 200.RTB, RTD, and RTE

are assigned to AS65001, RTC to AS65002, and RTF to AS65003.

1. When route 1.1.1.1/32 is imported from RTA, what is the AS_Path attribute of this route to be advertised to RTF?

2. When route 1.1.1.1/32 is imported from RTC, what is the AS_Path attribute of this route to be advertised to RTA?

3. When route 1.1.1.1/32 is imported from RTC, what is the AS_Path attribute of this route to be advertised to RTE?

The attributes are as follows:

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Correct Answer: A