H12-211

H12-211 practice questions, page 4 of 17, with answer review and explanations.

Question 16

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.

Question 17

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

Question 18

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.

Question 19

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

Question 20

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

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