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  1. Home
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  3. H12-891_V1.0

Huawei H12-891_V1.0 Exam (page: 23)
Huawei HCIE-Datacom V1.0
Updated on: 16-Feb-2026

Viewing Page 23 of 123
H12-891_V1.0 PDF 610 Questions

The correct statement about the difference between OSPFv2 and OSPFv3 is ? Multi-select

  1. BOTH OSPFv2 and OSPFv3 support interface authentication. And OSPFv3 authentication is still based on the fields in the ospf message header
  2. OSPFv3 is similar to OSPFv2 in that it uses a multicast address as the OSPF message destination address
  3. The same type of message exists in OSPFv2, OSPFv3: Hello, DD, LSR, LSU, LSAack, Their message format is the same
  4. OSPFv2 has the protocol number 89 in the IPv4 packet header, OSPFv 3 The next number in the IPv6 message header is 89

Answer(s): B,C,D



In a network in MPLSVPN, different CE devices can exchange routing information with the same PE device using different routing protocols, and different CE devices can exchange routing information with the same PE The routing protocols used between devices are independent of each other

  1. True
  2. False

Answer(s): A



The following description of VLANs in Ethernet is correct?

  1. VLANs do not support bulk creation on devices
  2. The range of VLANs is 0 to 4096
  3. The default reserved VLANs for Huawei devices are 4000~4010
  4. VLANs can be extended through QinQ technology.

Answer(s): D



The topology diagram and configuration are as follows, and now we hope that there is no buttoned route entry of 10033/32 in the Rl route table

  1. Configure route summarization on R3 to summarize the routes to 10000/16
  2. Configure route rollup on R2 to summarize the route as 10000/16
  3. Configure filter-pollcy on top of R1 with 10033/32 via ACLL. Also applied in the Import direction
  4. Configure flter-policy on the above, match 10033/32 through ACL, and apply the answer in the expo direction

Answer(s): A,C



The switch SWA and SWB are connected together by 2 Ethernet links, where the switch
SWA has the following interface configuration:

  1. Without changing the current configuration, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can join the same aggregation group
  2. Because of the different VLANs allowed, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot join the same aggregation group
  3. After link clustering is configured on both SWA and SWB, if MSTP is enabled on the switches SWA and SWB Both GigabitEthernetl1/0/1 and GigabitEthernetl/O/2 are the forwarding status of MSTP
  4. Only if the configuration of GigabitEthernet 1/0/2 is changed to match GigabitEthernet 1/0/1 can the two join the same aggregation group

Answer(s): B,D



Viewing Page 23 of 123



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