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4A0-107 · Question #48

Individual application streams are considered microflows, whereas __________ are considered macroflows.

The correct answer is F. Forwarding classes. Forwarding classes (F) represent aggregated groups of traffic - they bundle many individual application streams into broad categories (e.g., voice, video, best-effort), which is precisely the "macro" level of flow classification. Queues (D) and schedulers (E) are mechanisms…

QoS Fundamentals

Question

Individual application streams are considered microflows, whereas __________ are considered macroflows.

Options

  • ASAPs
  • BSDPs
  • CServices
  • DQueues
  • ESchedulers
  • FForwarding classes

How the community answered

(32 responses)
  • B
    3% (1)
  • C
    3% (1)
  • F
    94% (30)

Explanation

Forwarding classes (F) represent aggregated groups of traffic - they bundle many individual application streams into broad categories (e.g., voice, video, best-effort), which is precisely the "macro" level of flow classification. Queues (D) and schedulers (E) are mechanisms that act on forwarding classes (queues hold packets; schedulers drain them), not classifications of flow granularity themselves. Services (C), SAPs (A), and SDPs (B) relate to service architecture and delivery infrastructure, not to the micro/macro flow hierarchy used in QoS traffic classification. The distinction is architectural: a microflow is one conversation (one TCP stream), while a macroflow (forwarding class) is the aggregate bucket that many conversations share.

Memory tip: Think of scale - "micro" = one stream, "macro" = the class that forwards many streams together. The word Forwarding Class literally describes its job: classify at a higher (macro) level for forwarding treatment.

Topics

#microflows#macroflows#forwarding classes#traffic classification

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