H12-821

H12-821 practice questions, page 8 of 14, with answer review and explanations.

Question 36

As shown in the figure, data traffic from a STA is forwarded by the HAP to the upper-layer network in direct forwarding mode before roaming, and the HAP is configured as the home agent. What is the flow direction of data traffic after Layer 3 roaming?

  1. STA -> FAP -> FAC -> HAC -> HAP -> Upper-layer network
  2. STA -> FAP -> FAC -> HAC -> HAP -> HAC -> Upper-layer network
  3. STA -> FAP -> FAC -> HAC -> Upper-layer network
  4. STA -> FAP -> FAC -> Upper-layer network

Question 37

MAC address-prioritized Portal authentication allows disconnected users who have completed Portal authentication to directly access the network again within a certain period of time after the disconnection without having to perform Portal authentication again.

  1. TRUE
  2. FALSE

Question 38

Which of the following statements about the AC's mobility group are false? (Choose all that apply.)

  1. STAs can roam only between ACs in the same mobility group.
  2. The mobility server must be an AC in the local mobility group.
  3. A mobility server needs to be specified for member ACs in a mobility group.
  4. ACs in the same mobility group encapsulate and transmit roaming information over the DTLS extended tunnel.

Question 39

Which of the following IEEE 802.11 standards is also known as Wi-Fi 6?

  1. 802.11n
  2. 802.11b
  3. 802.11ac
  4. 802.11ax

Question 40

Which of the following statements about the forwarding plane of a switch is false?

  1. Provides high-speed and non-blocking data channels.
  2. Can collect packet statistics.
  3. Can encapsulate and decapsulate packets.
  4. Consists of main control boards and interface boards.