Which of the following is the purpose of QoS?（）A、Load balance traffic across multiple LAN and WAN links.B、Increase speed of network traffic.C、Classify, mark, and prioritize traffic on WAN and LAN linksD、Guarantee traffic delivery.

Which of the following is the purpose of QoS?（）

  • A、Load balance traffic across multiple LAN and WAN links.
  • B、Increase speed of network traffic.
  • C、Classify, mark, and prioritize traffic on WAN and LAN links
  • D、Guarantee traffic delivery.

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