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  1. Home
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  3. H12-831

Huawei H12-831 Exam (page: 7)
Huawei HCIP-Datacom-Advanced Routing & Switching Technology
Updated on: 15-Feb-2026

Viewing Page 7 of 55
H12-831 PDF 520 Questions

Which of the following statements about MUX VLANs are true?

  1. eachGroup VLANmust bind aPrincipal VLAN
  2. Separate VLANscan andMUX VLANall withinVLANcommunication
  3. eachSeparate VLANsmust bind aPrincipal VLAN
  4. Principal VLANcan andMUX VLAIall withinVLANcommunication

Answer(s): A,C,D



Which statement about DHCP Snooping is wrong?

  1. DHCP SnoopingYou can prevent illegal attacks by setting trusted ports (all interfaces are untrusted by default.
    mouth)
  2. Global enableDHCP Snoopingfunction, without any post-parameters, the device only processes by default
    DHCPv4message
  3. Enable in interface viewDHCP Snoopingfunction, then all theDHCPThe message command function takes effect
  4. existVLANEnable in viewDHCP Snoopingfunction, then all interfaces of the device receive data belonging to thisVLANofDHCPThe message command function takes effect

Answer(s): A



As shown in the figure, OSPF is deployed in a campus, and Area 1 is deployed as an NSSA area. In the case of missing header, R2 will automatically generate a missing header route of Type 7 LSA and flood it in the NSSA area

  1. True
  2. False

Answer(s): A



Which of the following statements about the MP_REA, CH_NLRI attribute of BGP4+ is correct?

  1. The length of the next hop address can be16or3
  2. AFI (address family)value is2,representIPv6
  3. NLRIfield carryIPv6Routing prefix and mask information
  4. the length of the next hop address is16Time,Network Address of Next Hopcarries the link-local address

Answer(s): A,B,C



As shown in the figure, all interfaces of the router enable DSPF. The cost value of the link is marked in the figure. R2
The LoopbackD interface is advertised in area 1, then the cost of R1 reaching 10.2/32 is?

  1. 200
  2. 150
  3. 50
  4. 100

Answer(s): A



Viewing Page 7 of 55



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