Which of the Following Statement About QoS in DiffServ Mode

question 491

Multiple Choice

Which of the following statement about QoS in DiffServ mode is false?

• A) The parameter field in the IP packet header informs devices on the network of the QoS requirements of the application.
• B) Every device on the packet transmission paths can learn the service request types by analyzing the IP packet header.
• C) Before sending packets, the application program needs to confirm that the network has reserved resources for packet transmission.
• D) DiffServ is a QoS solution based on packets.

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