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  1. Home
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  3. H12-891_V1.0

Huawei H12-891_V1.0 Exam (page: 4)
Huawei HCIE-Datacom V1.0
Updated on: 12-Feb-2026

Viewing Page 4 of 123
H12-891_V1.0 PDF 610 Questions

Is the following description of ospf virtual links correct?

  1. A virtual connection can be established in any area, after which it itself belongs to the region
  2. The virtual connection ip is used as the link address
  3. Virtual links can be used to solve the problem of zone 0 being segmented
  4. The cost of a virtual connection is zero and is the optimal link

Answer(s): C



XLAN uses BGP EVPN to establish a tunnel, what type of message is used? ( Single choice questions).

  1. Typel
  2. Type2
  3. Type3
  4. Type4E. Type5

Answer(s): C



In RSTP , which port provides a backup path to reach the root node of the spanning tree? What state is the port in?

  1. Root Port and Listening Status
  2. Alternate Port and Forwarding Status
  3. Alternate Port and Learning Status
  4. Designated port and Listening status
  5. Alternate port and Discarding status

Answer(s): E



IPV6 multicast introduces the concept of multicast scope, which of the following ways is the multicast scope concept implemented? Multi-select

  1. When the group shake source sends IP6 multicast data, the TTL value of the packet is set to limit the transmission range of the group shake
  2. There is a special field in the IPv6 multicast address that specifies the propagation range of multicast.
  3. Multicast scope is just a concept of spreading scope, and there is no specific technical implementation.
  4. During network configuration, the administrator uses the configuration command at the edge of the network to limit the multicast scope.

Answer(s): B,D



If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?

  1. PIM routers with long interface masks are elected dr.
  2. Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr
  3. PIM routers with small IP addresses are elected DR. PIM routers with low
  4. DR priority values are elected DR.

Answer(s): B



Viewing Page 4 of 123



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