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300-320 · Question #612

Refer to the exhibit. How does the network treat excess SIP traffic when congestion occurs?

The correct answer is B. It transmits the traffic by using a QoS value of 1. SIP is treated as signaling traffic which means it has a cs3 dscp classification therefore it is in the signaling queue with an exceed-action of set-qos-transmit to 1.

Advanced WAN Services

Question

Refer to the exhibit. How does the network treat excess SIP traffic when congestion occurs?

Exhibits

300-320 question #612 exhibit 1
300-320 question #612 exhibit 2

Options

  • AIt queues the traffic by using a DSCP value of CS1
  • BIt transmits the traffic by using a QoS value of 1
  • CIt assigns the default DSCP value to the traffic.
  • Dit drops the traffic

How the community answered

(38 responses)
  • A
    5% (2)
  • B
    71% (27)
  • C
    16% (6)
  • D
    8% (3)

Explanation

SIP is treated as signaling traffic which means it has a cs3 dscp classification therefore it is in the signaling queue with an exceed-action of set-qos-transmit to 1.

Topics

#QoS policing#SIP traffic#DSCP marking#congestion handling

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