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Huawei H12-211 Exam
HCNA-HNTD (Huawei Certified Network Associate - Huawei Network Technology and Device) (Page 12 )

Updated On: 7-Feb-2026
Page 12 of 84
PDF with 527 Questions

An administrator connects two switches together in a local enterprise network. The ports of one switch support Fast Ethernet, while the ports of the other switch support Gigabit Ethernet. Hosts connected to one switch are able to communicate, however communication between the two switches fails.

What is the possible reason for this?

  1. The ports have disabled auto-negotiation.
  2. One port is supporting auto-negotiation, while auto-negotiation is disabled on the port of the other switch.
  3. The port of one switch is operating using half duplex mode, while the port of the other switch is using full duplex mode.
  4. A Fast Ethernet port cannot communicate directly with a Gigabit Ethernet port.

Answer(s): A



A layer 2 LAN switch generates CAM table entries according to the ( ) of the received frame.

  1. Source MAC address
  2. Destination MAC address
  3. Source IP address
  4. Destination IP address

Answer(s): A



Which of the following statements about collision domains and broadcast domains are correct? (Choose three)

  1. Devices connected to the same hub form a collision domain
  2. Devices connected to the same hub form a broadcast domain
  3. Devices connected to the same bridge form a collision domain
  4. Devices connected to the same bridge form a broadcast domain
  5. Devices connected to the same router form a broadcast domain

Answer(s): A,B,D



Which of the following statements regarding layer-2 switch is incorrect?

  1. The switch learns MAC addresses automatically.
  2. The layer-3 header is modified before the received packet is transmitted.
  3. The layer-2 header is modified before the received packet is transmitted.
  4. The layer-2 LAN switch operates at data link layer.

Answer(s): B



Refer to the display output. What can be determined based on the output of the display command?

  1. Interface Gigabit Ethernet 0/0/0 is connected to a wrong cable
  2. Interface Gigabit Ethernet 0/0/0 is not associated with an IP address
  3. Interface Gigabit Ethernet 0/0/0 is not associated with a dynamically defined route.
  4. Interface Gigabit Ethernet 0/0/0 has been manually shut down by an administrator.

Answer(s): D






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