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Huawei H12-891 Exam
HCIE-Datacom V1.0 (Page 16 )

Updated On: 9-Feb-2026
Page 16 of 123
PDF with 610 Questions

The following description of the attributes of BGP is correct?( Single choice questions).

  1. The AS deficit of the adjacent AS is ranked at the far right of the list of AS_Path in the BGP route entry.
  2. When the BGP Speaker publishes a route learned from an EBGP peer to an IBGP peer, it does not change the next hop attribute of that routing information.
  3. Local_Pref is valid only between EBGP peers and is not advertised to third-party AS.
  4. A route can have only one community attribute value.

Answer(s): B



Between two directly attached devices that have established an IBGP neighbor, execute the shutdown command to close the interface of one of the devices. The BGP connection is not immediately disconnected.

  1. TRUE
  2. FALSE

Answer(s): A



The following statement about static VXLAN tunnel configuration is correct?

  1. A BD needs to create an NVE country, and when there are multiple BDs, multiple NVE interfaces must be created
  2. An NVE interface can be associated with multiple VNls, so you can create only one NVE interface when there are multiple BDs
  3. For a VXLAN tunnel, you need to create a corresponding NVE interface, in which you explicitly specify the source IP address and the destination IP address , so there are multiple VXLAN tunnels on the VTEP that must be vE interfaces The destination address of the VXLAN tunnel is specified in the
  4. NVE interface, and multiple VXLAN tunnels can create only one NVE interface

Answer(s): D



  1. When sending a packet with a destination address of 4444, it is sent without labeling.
  2. When the router receives a packet with the label 1024, it replaces the label with 1027 and sends it.
  3. When a packet with a destination address of 2222 is sent , it is sent without labeling.
  4. When sending a packet with a destination address of 3333, label 1026 and send it.

Answer(s): C



In the description of the MAC address spoofing attack, the error is ? Radio

  1. Mac address spoofing attacks cause the switch to learn the wrong mapping of Mac addresses to IP addresses
  2. A MAC address spoofing attack causes the data that the switch is sending to the correct destination to be sent to the attacker
  3. MAC address spoofing attacks primarily exploit the switch Mac address learning mechanism
  4. An attacker can perform a MAC address spoofing attack by sending a forged source Mac address data frame to the switch

Answer(s): A






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