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300-425 · Question #97

A customer has restricted the AP and antenna combinations for a design to be limited to one model integrated antenna AP for carpeted spaces and one model external antenna AP with high gam antennas…

The correct answer is A. Resurvey and adjust the design. When the wrong survey device is used for a portion of a site survey, the only reliable fix is to resurvey those APs with the correct device and update the design accordingly.

Wireless Site Survey

Question

A customer has restricted the AP and antenna combinations for a design to be limited to one model integrated antenna AP for carpeted spaces and one model external antenna AP with high gam antennas tor industrial, maintenance, or storage areas. When moving between a carpeted area to an industrial area, the engineer forgets to change survey devices and surveys several Aps. Which strategy will reduce the negative impact of the design?

Options

  • AResurvey and adjust the design
  • BDeploy unsurveyed access points to the design
  • CDeploy the specified access points per area type
  • Dincrease the Tx power on incorrectly surveyed access points

How the community answered

(22 responses)
  • A
    73% (16)
  • B
    5% (1)
  • C
    5% (1)
  • D
    18% (4)

Why each option

When the wrong survey device is used for a portion of a site survey, the only reliable fix is to resurvey those APs with the correct device and update the design accordingly.

AResurvey and adjust the designCorrect

Resurveying with the correct device - the high-gain external antenna AP for industrial areas - produces accurate coverage measurements for those locations. Adjusting the design based on the corrected data ensures AP placement, power levels, and channel plans reflect the actual antenna and propagation characteristics of the deployed equipment.

BDeploy unsurveyed access points to the design

Deploying unsurveyed APs introduces unknown coverage gaps and does not address the inaccurate data already collected with the wrong device.

CDeploy the specified access points per area type

Deploying the correct AP types per area is necessary but insufficient on its own, because the flawed survey data still does not reflect the true coverage of those APs.

Dincrease the Tx power on incorrectly surveyed access points

Increasing Tx power on incorrectly surveyed APs does not correct the underlying inaccurate survey data and may cause co-channel interference without resolving coverage problems.

Concept tested: Site survey accuracy and design remediation strategy

Source: https://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057-site-survey-guidelines-wlan-00.html

Topics

#site survey methodology#survey device#AP placement#resurvey

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