Addressing QoS design in the Enterprise Campus network for IP Telephony applications means what?

Question

Options

• AIt is critical to identify aggregation and rate transition points in the network, where preferred traffic
• BSuspect traffic should be dropped closest to the source, to minimize wasting network resources
• CAn Edge traffic classification scheme should be mapped to the downstream queue configuration
• DApplications and Traffic flows should be classified, marked and policed within the Enterprise Edge

• A
  90% (19)
• B
  5% (1)
• D
  5% (1)

Explanation

A fundamental QoS design principle for voice and real-time traffic is identifying the aggregation points (where multiple flows converge onto a single link) and rate transition points (where bandwidth decreases, such as from gigabit campus to WAN). These are the locations where congestion occurs and where queuing/scheduling policies must be enforced to protect high-priority traffic like voice. Dropping suspect traffic at the source (B) is a policing concept, not a design strategy. Edge classification mapping (C) and Enterprise Edge marking (D) are relevant tactics but do not capture the broader design principle of finding the right enforcement points throughout the campus.

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