Cisco
CompTIA
ISC
EC-Council
EXIN
Fortinet
ITIL
Juniper
Microsoft
VMware
Avaya
SAP
Google
NVIDIA
Salesforce
Amazon
Palo Alto Networks
ISC2
Splunk
ServiceNow
All Vendors
  2. Home
  3. Exams
  4. Huawei
  5. H12-891

Huawei H12-891 Exam
HCIE-Datacom V1.0 (Page 7 )

Updated On: 7-Feb-2026
Page 7 of 123
PDF with 610 Questions

A switch joins a running stacking system after powering up, a behavior known as heap overlay.

  1. TRUE
  2. FALSE

Answer(s): A



In order to reduce the number of OSPF routes in certain areas, the OSPf protocol has developed special area functions, and the following description of the characteristics of OSPF special areas is correct

  1. ASBR-Sunmary-LSA is allowed to be published to the NSSA region
  2. AS-External-LSA is allowed to be published to the Stub region
  3. Any OSPF zone can be configured as a special zone
  4. Zone can be equipped with zhiyi

Answer(s): D



What of the following actions can enable fast failure detection on multicast networks?

  1. Shorten the Holdtime of Join/Prune messages
  2. Reduce the interval at which the interface sends Hello messages
  3. A PIM BFD session is established between neighbors
  4. Reduce the interval between sending Join/Prune messages

Answer(s): B



Router HW enables OSPF and router HW has the role of ABR and is configured with abr- summary, then which class LSA Will it be aggregated?

  1. 1 Class LSA
  2. 2 kind LSA
  3. 3 kind LSA
  4. 4 kind LSA
  5. 5 Class LSA

Answer(s): A,B



There is an As-path-filter.ip as-path-filter 1 permit*(100l400) $, which As-path-filter can match which of the following AS_PATH Attribute?( Confirmed).

  1. 300 4200
  2. 1234 1400
  3. 3100
  4. 100

Answer(s): B,C,D






Post your Comments and Discuss Huawei H12-891 exam prep with other Community members:

Join the H12-891 Discussion