Practice Quiz

CWNA Wireless Network Administrator

Category - CWNA

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You discover that some coaxial cables connected to the company’s outdoor wireless bridges are damaged. You replace the cabling, but soon discover that the EIRP leaving the bridge antenna now exceeds the power output limit. Which of the following is the most likely cause of this issue?
  1. You have installed higher-grade cabling.
  2. The wireless bridge is also damaged.
  3. You have installed lower-grade cabling.
  4. The old cable was 50 ohms and the new cable is 75 ohms.
Explanation
Answer - A - The most likely cause of this issue is that you have installed higher-grade cabling.

Key Takeaway: The Effective Isotropic Radiated Power, or EIRP, is the apparent power transmitted towards the receiver if the signal is radiated equally in all directions as a spherical wave emanating from a point source. If you have installed a higher-grade cable that is rated for lesser loss per 100 feet, it could exceed power output regulations.
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