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Huawei H31-161 Exam Questions
HCIE-Carrier IP (Written) (Page 5 )

Updated On: 17-Feb-2026
Page 5 of 37
PDF with 180 Questions

Exhibit:



Which statement about inter-AS MPLS VPN Option_B is false?

  1. The ASBR cannot be used as a PE simultaneously and a CE cannot be connected to an ASBR.
  2. When ASBRs are directly connected, packets transmitted on the VPN between them have only one label.
  3. The undo policy vpn-target command must be configured in the VPN4 address family view of the BGP neighbor of the ASBR to prevent routes from being filtered automatically.
  4. When ASBRs are directly connected, VPN traffic can be forwarder between them only after MPLS is enabled on the interfaces.

Answer(s): A



Exhibit:



As shown in the figure, inter-AS VPN Option A is used. CE 1 and CE 2 belong to the same VPNAS 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 VPNs configured on the PE and ASBR are both named vpn-1 and CE 2 can ping CE1.
Which command can be ruin on ASBR 2 to find out route 10.1.1.1/24?

  1. Display ip routing-table vpn-instance vpn_1
  2. Display ip routing-table
  3. Display bgp vpnv4 all routing-table

Answer(s): A



Which of the following statements about the merits of the HoVPN networking are true?

  1. If the UPE are SPE are separated by an IP/IPMLS network, they can be connected through a generic routing encapsulation (GRE) or LSP runnel . A hierarchical MPLS VPN provides good scalability.
  2. The SPE and UP exchange routes and advertise labels through MP-BGP. Each UPE runs only one ­ BGP peer, reducing system overheads and simplifying configuration.
  3. The BGP/MPLS VPN can be deployed layers by layer.
    When the performance of a super strum provider edge (SPE) is insufficient, a user-end provider edge (UPE) can be added and the SPE moved to a lower layer.
    When the access capability of a UPE is insufficient, and SPE can be added.
  4. Packets are forwarded between a UPE and an SPE after being label. The UPE and SPE are connected through an interface (or a subinterface), helping reduce the usage of limited interface resources.
  5. Only local VPN routes need to be maintained on an SPE and remote routes on the SPE are represented by a default route or an aggregate route, reducing the load of the SP

Answer(s): A,B,D



Exhibit:



As shown in the figure, OSPF process 100 runs on both PEs and CEs, and VPN routers are transmitted between PE 1 and PE 2 through PGB CE 1 enables interface address 43.1.1.0/24 in area 0.A route to 43.1.10/24. However, does not exist in the routing table of CE 2.
What are the possible causes?

  1. The VPN route to 43.1.1.0/24 does not exist in the routing table of PE 2.
  2. The LSDB of PE 1 does not have the type 1 LSA generated by CE 1.
  3. The LSDB of PE 12 does not have the type 1 LSA generated by CE 1.
  4. The public network rout to 43.1.1.0/24 does not exist in the routing table of PE2 .

Answer(s): B,D



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






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