HPE6-A85: HPE Network Campus Access Associate ExamDemo

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QuestionQ81

Performance Optimization

Match the appropriate QoS concept to its definition.

Drag & Drop
Best Effort Service
Class of Service
Differentiated Services
WMM
A method for classifying network traffic at Layer 2 by marking 802.1Q VLAN Ethernet frames with one of eight service classes
A method for classifying network traffic at Layer 3 by marking packets with one of 64 different service classes
A method for classifying network traffic using access categories based on the IEEE 802.11e QoS standard
A method where traffic is treated equally in a first-come, first-served manner
Explanation

Class of Service is the Layer 2 priority value carried in an 802.1Q tag and has eight possible values. Differentiated Services uses the 6-bit Layer 3 DSCP field, allowing 64 values. WMM implements IEEE 802.11e wireless access categories. Best-effort QoS gives traffic equal treatment and is commonly implemented with FIFO queuing.

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