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CCNA QUIZ // QoS Marking // #shorts

CCNA Quiz // QoS Marking
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9 thoughts on “CCNA QUIZ // QoS Marking // #shorts

  • ##################

    ### EXPLANATION ###

    ##################

    DSCP is a 6-byte field in the ToS (Type of Service) byte of the IPv4 header. It is used for QoS markings at Layer 3.

    NBAR (Network Based Application Recognition) is used to perform a 'deep packet inspection', examining contents beyond Layer 4 to identify the type of traffic. It is not used to mark packets.

    PCP and CoS refer to the same 3-bit field in the 802.1q tag, used for QoS markings at Layer 2.

  • You quizzes show me just how weak I am right now, thank you for that

  • Why we usually like to see teacher jeremmy posting some a new videos

  • thank you Jeremy, I remember this lecture so vaguely,it’s a nice refersher ❤️

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