300-425 · Question #291
Which wireless survey method validates that the AP placement meets design requirements after installation?
The correct answer is C. Post-deployment survey. A post-deployment survey is performed after APs are physically installed to verify that real-world RF coverage matches the original design requirements.
Question
Which wireless survey method validates that the AP placement meets design requirements after installation?
Options
- APredictive survey
- BPassive survey
- CPost-deployment survey
- DVirtual survey
How the community answered
(19 responses)- C95% (18)
- D5% (1)
Why each option
A post-deployment survey is performed after APs are physically installed to verify that real-world RF coverage matches the original design requirements.
A predictive survey uses RF modeling software to simulate AP placement before installation, so it cannot validate actual deployed performance.
A passive survey involves scanning RF signals without associating to an AP to assess the existing RF environment, typically done before design, not for post-installation validation.
A post-deployment survey is conducted after installation by walking the coverage area with a wireless analyzer to measure actual signal strength, SNR, and coverage boundaries. It is the definitive method for validating that the as-built deployment meets the coverage and performance targets defined during the design phase.
A virtual survey is another term for a predictive or simulation-based survey and is performed before physical installation, not after.
Concept tested: Wireless site survey types and their purposes
Source: https://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html
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