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Huawei H12-211 Exam
HCNA-HNTD (Huawei Certified Network Associate - Huawei Network Technology and Device) (Page 5 )

Updated On: 7-Feb-2026
Page 5 of 84
PDF with 527 Questions

The network administrator wishes to transmit data between two end stations. The network interface cards of both devices operates at 100Mbps however one supports half duplex while the other uses full duplex mode.

What will occur as a result?

  1. The end stations cannot communicate.
  2. The end stations can communicate, but data may be lost during transmission of large amounts of traffic.
  3. The end stations will operate normally
  4. The end stations can communicate, but speed is different during transmission of large amounts of traffic.

Answer(s): B



An Ethernet port can work one of three duplex modes, whereas an Optical Ethernet port only supports one single mode. Which of the following represents this mode?

  1. Full-duplex
  2. Half-duplex
  3. Auto-negotiation
  4. Simplex

Answer(s): A



While inspecting packets in the network, a network administrator discovers a frame with the destination MAC address of 01-00-5E-A0-B1-C3.

What can the administrator determine from this?

  1. The MAC address is a unicast address.
  2. The MAC address is a broadcast address
  3. The MAC address is a multicast address.
  4. The MAC address is incorrect.

Answer(s): C



According to OSI reference model, which layer is responsible for end to end error checking and flow control?

  1. Physical layer
  2. Data link layer
  3. Network layer
  4. Transport layer

Answer(s): D



Which of the following mechanisms are used for flow control? (Choose three)

  1. Acknowledgement
  2. Buffering
  3. Source quench messages
  4. Windowing

Answer(s): B,C,D






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