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300-370 · Question #123

In a high-density deployment on a customer site with ID 339696181, how do you mitigate the cell size in a large coverage area?

The correct answer is C. Increase the power of the AP. In a high-density deployment with a large physical coverage area, if an Access Point's cell size is not adequately covering the entire space, increasing its power can help mitigate this issue by extending the signal range.

Troubleshooting WLAN Performance Issues

Question

In a high-density deployment on a customer site with ID 339696181, how do you mitigate the cell size in a large coverage area?

Options

  • ADisable ClientLink on the WLC.
  • BSet a high supported data rate.
  • CIncrease the power of the AP.
  • DSet a high mandatory

How the community answered

(31 responses)
  • A
    3% (1)
  • C
    90% (28)
  • D
    6% (2)

Why each option

In a high-density deployment with a large physical coverage area, if an Access Point's cell size is not adequately covering the entire space, increasing its power can help mitigate this issue by extending the signal range.

ADisable ClientLink on the WLC.

Disabling ClientLink (beamforming) primarily affects client performance and signal quality for specific devices, not the overall cell size or a large coverage area.

BSet a high supported data rate.

Setting a high supported data rate does not directly shrink the cell size or effectively manage coverage for a large area, as clients can still use lower rates if available.

CIncrease the power of the AP.Correct

Increasing the power of the Access Point (AP) extends its signal range, thereby enlarging its cell size. If the challenge is ensuring adequate coverage across a physically large area where existing signal levels might be insufficient at the periphery, boosting AP power helps mitigate (resolve) these potential coverage gaps.

DSet a high mandatory

Setting a high mandatory data rate primarily *reduces* cell size by forcing clients with poor signal to roam, which is generally used to reduce overlap and improve capacity in high-density environments, not to extend coverage over a large area.

Concept tested: AP power and cell size management

Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-5/config-guide/b_cg85/m_config_rrm.html#task_400650_TPC-Group-Configuration-page

Topics

#High-density WLAN#Cell size optimization#AP power#Coverage

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