Huawei H12-891_V1.0 Exam (page: 21)
Huawei HCIE-Datacom V1.0
Updated on: 16-Feb-2026

Viewing Page 21 of 123

What are the following techniques for improving MPLS BGP VPN reliability?( Multiple choice question)

  1. dual home networking is configured at the access layer
  2. VPN FRR
  3. VPN GR Private IP routing between
  4. PE-CE FRR

Answer(s): A,B,C,D



Cross-device link aggregation realizes the back-to-back transmission of data traffic and the mutual spare of the heap member switches, but due to the limited bandwidth of the heap cable between the heap devices, the forwarding efficiency can be improved in the following ways?

  1. Enable traffic to be forwarded locally first
  2. Connect the stacking device via a stacking card
  3. Configure the stacking system MAC address switching
  4. Enables the stacking multi-master check function

Answer(s): A



BGP EVPN does MAC address advertisement, ARP message advertisement, and IRB route advertisement for which BGP EVPN route is advertised?

  1. Type3
  2. Type2
  3. Type4
  4. Type1

Answer(s): B



There is an existing router interface serial 0 in OSPF area 1 , well will interface Serial 0 is set to silent interface. So what is the impact of this setting?

  1. OSPF establishes usable adjacencies through this junction
  2. OSPF does not join the routes learned from the connector to the local routing table
  3. OSPF does not establish any adjacency relationships through the junction
  4. OSPF receives a route update answer from the neighbor.

Answer(s): C



Four routers running IS-4S and an adjacency relationship has been established, the area
number and the level of the router are noted in the figure, and the R4 reaches 10022/32 on the RI device Cost for how much?

  1. 50
  2. 80
  3. 40
  4. 30

Answer(s): B



Viewing Page 21 of 123



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