Cisco CCIE Security Exam: Traffic Class for Non-Business Applications

Traffic Class for Non-Business Applications

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Which traffic class is defined for non-business-relevant applications and receives any bandwidth that remains after QoS policies have been applied?



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A. B. C. D.


The correct answer is A. scavenger class.

QoS (Quality of Service) is a network management technique used to prioritize and manage network traffic. Different traffic classes can be defined to differentiate between various types of traffic based on their importance and bandwidth requirements. The traffic classes can be configured with different QoS policies to ensure that the traffic is managed appropriately.

The scavenger class is a low-priority class that is used to classify non-business-relevant traffic. This class is typically used for applications that are not critical to the operation of the business, such as file-sharing, peer-to-peer (P2P) traffic, or streaming video. The scavenger class is designed to receive any remaining bandwidth that is not consumed by other, higher-priority traffic classes.

The best effort class is another traffic class that is used for non-critical traffic. However, unlike the scavenger class, the best effort class does not receive any guaranteed bandwidth. Instead, it receives whatever bandwidth is available after higher-priority traffic has been serviced.

The discard eligible class is used to classify traffic that can be discarded if there is congestion on the network. This class is typically used for applications that can tolerate some data loss, such as streaming video or audio.

The priority queued class is used for high-priority traffic that requires low latency and minimal delay. This class is typically used for applications such as voice over IP (VoIP) or real-time video conferencing.

In summary, the scavenger class is the correct answer because it is used for non-business-relevant traffic and receives any remaining bandwidth after QoS policies have been applied.