Refer to the following two images regarding QoS Traffic Shaping and Traffic Policing: Image A: Image B: Based on the images, which of the following are true? (Choose two.)

Question

Exhibits

Options

• AImage A depicts the result of Traffic Shaping
• BImage A depicts the result of Traffic Policing
• CImage B depicts the result of Traffic Shaping
• DImage B depicts the result of Traffic Policing

• A
  3% (1)
• B
  95% (35)
• D
  3% (1)

Explanation

QoS Traffic Shaping vs. Traffic Policing

Why B and C are correct: Traffic Policing (Image A) enforces a rate limit by dropping or remarking packets that exceed the configured threshold, resulting in an irregular, jagged traffic pattern with sharp drops - this is what Image A displays. Traffic Shaping (Image B) buffers excess traffic and releases it smoothly, producing a smooth, consistent flow that stays at or below the defined rate - matching Image B's appearance.

Why A and D are wrong: Option A incorrectly assigns "Shaping" to Image A (the jagged pattern), and Option D incorrectly assigns "Policing" to Image B (the smooth pattern) - both are reversed from reality.

Memory Tip: Think of it this way - "Policing = Punishes" (drops packets, causing jagged dips) and "Shaping = Smooths" (buffers traffic, creating a smooth curve). The word "shaping" literally implies molding traffic into a clean shape, while "policing" is strict and abrupt, just like a traffic cop stopping violators instantly.

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