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  4. Huawei
  5. H12-211

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

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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