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Huawei H12-261 Exam Questions
HCIE-Routing & Switching (Written) (Page 14 )

Updated On: 17-Feb-2026
Page 14 of 98
PDF with 483 Questions

SWA and SWB are connected through two physical Ethernet links. SWA has the following interface configurations:



The two links are aggregated.
Assume that the configuration on SWB is correct. Given this information, which of the following statements are true?

  1. GigabitEthernet1/0/1 and GigabitEthernet1/0/1 can be added to the same LAG without changing the current configurations.
  2. After link aggregation is configured on SWA and SWB, if MSTP is enabled on them, GigabitEthernet1/0/1 and GigabitEthernet1/0/2 enter the Forwarding state in MSTP.
  3. GigabitEthernet1/0/1 and GigabitEthernet1/0/2 can be added to the same LAG only after the configuration of GigabitEthernet1/0/2 is changed to be the same as that of GigabitEthernet1/0/1.
  4. GigabitEthernet1/0/1 and GigabitEthernet1/0/2 cannot be added to the same LAG because the allowed VLANs are different.

Answer(s): A



Which of the following command outputs indicates that a loop has occurred on a switch?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A


Reference:

http://support.huawei.com/onlinetoolweb/ptmngsys/Web/tsrev_ce/en/content/ce/08_edesk_dc_mac-address_flapping/edesk_dc_mac- address_flapping_edesk002.html



Which of the following statements regarding the process of sending and receiving data frames on a port in access link-type is true?

  1. Tagged data frames that are received are directly discarded.
  2. Only untagged data frames are received.
  3. VLAN tags are removed before data frames are sent.
  4. A switch learns the destination MAC address in the data frames when they are received on the switch’s port.

Answer(s): C



How long will a Huawei running RSTP wait before aging out the BPDUs on an interface?

  1. Hello time interval
  2. 6 seconds
  3. MaxAge interval
  4. BPDUs on the interface will not be aged out
  5. Forward delay

Answer(s): C


Reference:

https://support.huawei.com/enterprise/en/doc/EDOC1000088827?section=j00h



Which of the following statements regarding LACP are true?

  1. You can run the following commands to delete member interfaces from an Eth-Trunk:
    interface GigabitEthernet0/0/1
    shutdown
    interface GigabitEthernet0/0/1
    undo eth-trunk 1
    interface GigabitEthernet0/0/1
    undo shutdown
  2. You can run the following commands to prevent frequent flapping due to physical link faults on an Eth-Trunk:
    interface eth-trunk 1
    lacp preempt enable
    lacp preempt delay delay-time
  3. You can run the following commands to add member interfaces to an Eth-Trunk:
    interface GigabitEthernet0/0/1
    shutdown
    interface eth-trunk 1
    trunkport GigabitEthernet0/0/1
    interface GigabitEthernet0/0/1
    undo shutdown
  4. You can run the following commands to enable load balancing based on source IP addresses for an Eth-Trunk:
    interface eth-trunk 1
    load-balance src-dst-ip

Answer(s): A






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