Cisco Certified Internetwork Expert (CCIE) Practice Test

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Which statement about WCCP is true regarding the Fast Timers message interval?

  1. The minimum interval is 1000 ms

  2. The minimum interval is 500 ms

  3. The minimum interval is 250 ms

  4. The minimum interval is 750 ms

The correct answer is: The minimum interval is 500 ms

WCCP, or Web Cache Communication Protocol, operates using various timers to manage the communication between routers and cache servers effectively. The Fast Timers message interval specifically pertains to how frequently the router sends messages to check the status of cache devices in a WCCP deployment. In the case of the Fast Timers message interval, the specified minimum interval is 500 ms. This means that routers using WCCP will send status messages every 500 milliseconds to ensure timely updates about the state of the cache and to facilitate efficient traffic redirection. Understanding the timer's role in maintaining a robust and responsive caching environment is crucial, as it helps optimize the performance of web access and content delivery, making this configuration an important aspect of network management in environments utilizing WCCP.

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