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Huawei H12-891 Exam
HCIE-Datacom V1.0 (Page 11 )

Updated On: 9-Feb-2026
Page 11 of 123
PDF with 610 Questions

Router HW cannot access hosts in the remote network, router HW runs routing protocols and only pings the remote file server address 105401 on router HW with extensions
through a default route remote network , the result of ping on the router HW is rendered as 'requ.' est time out', according to the above description, the error in the following analysis is ?

  1. The next hop router for router HW did not reach the destination address
  2. Router HW does not have a legitimate router to reach the destination address
  3. Ping is successful, but congestion occurs on the path to the destination address
  4. There is a firewall in the remote destination network, and the destination address can be reached without releasing ICMP traffic
  5. ICMP packets, but the destination device fails to reply

Answer(s): B



If the receive cache of a switch's gigabit Ethernet interface is full, what protocol does the switch use to know that the remote interface delays sending data frames for a period of time?

  1. 8023af
  2. 8021U
  3. 8021D
  4. 8023
  5. 8023Z

Answer(s): E



A multi-protocol network, the topology is shown in the figure. Take a closer look at the topology, router R4 (in Areal) is introduced into the OSPF process via the routes learned by BGP. So what categories of LS4 will R3 advertise to zone 0?( Multiple choice questions).

  1. 5 ?LSA
  2. 7 ?LSA
  3. 1 ?LSA
  4. 4 ?LSA
  5. 2 ?? ??

Answer(s): A,C,E



Link state information is isolated by default between different IS-IS processes on the same router.

  1. TRUE
  2. FALSE

Answer(s): A



In VXLAN scenarios, what features can be turned on to reduce flooding of ARP messages between VTEPs?( Multiple select).

  1. Host Information Collection
  2. Local ARP agent
  3. port isolation
  4. ARP broadcast suppression

Answer(s): B,D






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