Huawei H31-161 Exam (page: 1)
Huawei HCIE-Carrier IP (Written)
Updated on: 28-Jul-2025

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With the IPSec technology , which of the following description is true?

  1. IPSec delivers service for transmission layer
  2. ESP provides authentication service
  3. ESP is more simple than AH
  4. AH provides Data encryption

Answer(s): B



As shown in the figure, a CE requires access to the internet , and PE 1is connected to the gateway.
Configurations on PE 1 are as follows:



PE 1 is connected to the internet gateway through interface 175.311.2 CE and CE 2 cannot ping the interface.
Which of the following statements are true?

  1. NAT translation must be configured on interface pos2/1.0 instead of interface s0./01.0
  2. A private network route must be configured on the internet gateway.
  3. The public parameter of a static default route must be configured.
  4. A default must be configured on CE an CE 2.

Answer(s): B



Exhibit.


As shown in the figure, external route 1.1.1.0/24 is imported to RTA that is located in the NSSA area RTD is a backbone area router. RTB and RTC are both area border router (ABRs). OSPF configuration are as follows.


Which statement is true?

  1. RTD receive two external LSAs whose LS_ID is 1.1.1.0
  2. RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 2.2.2.2.
  3. RTD receive an external LSAs whose LS_ID is 1.1.1.0 and advRouter is 3.3.3.3.
  4. RTD receive an external LSAs whose LS_ID is 1.1.10/24 based on category 7 LSAs sent by RTA

Answer(s): D



Which statement about primary VPN tunnel binding is false?

  1. Only the data destined for the specific peer device is transmitted through the n=bound primary VPN tunnel Data to other devices is transmitted using the default tunnel policy.
  2. Primary tunnel ensures that data can be transmitted from a VPN t a specific peer device permanently through a dedicate TE tunnel.
  3. Primary VPN tunnel binding means to bind a tunnel to a specific VPN. The bound tunnel is exclusive to the VPN.
  4. The bound primary tunnel can be selected sequentially.

Answer(s): C



Which statement describes the packet loss ratio requirement of the voice service for the IP bearer network?

  1. Allowed maximum packet loss =10-6
  2. Allowed maximum packet loss =1%
  3. No strict requirement
  4. Allowed maximum packet loss =1%

Answer(s): A



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