CWS CWS Site Survey & Network Planning

Question 1

What is the primary purpose of a pre-deployment site survey in a CWS context?

Accepted Answer

To determine AP placement and coverage requirements before installation

Answer

A pre-deployment site survey identifies coverage needs, obstructions, and optimal AP placement before any hardware is installed.

Question 2

Which tool is most commonly used during a passive site survey?

Accepted Answer

A laptop with Wi-Fi adapter and site survey software

Answer

Passive surveys use a laptop with a Wi-Fi adapter and survey software to listen to existing RF signals without transmitting.

Question 3

What does RSSI stand for in wireless site surveys?

Accepted Answer

Received Signal Strength Indicator

Answer

RSSI (Received Signal Strength Indicator) measures the power level of a received wireless signal, expressed in dBm.

Question 4

What is the recommended minimum RSSI value (in dBm) for reliable VoIP over Wi-Fi?

Accepted Answer

-67 dBm

Answer

A minimum RSSI of -67 dBm is commonly recommended for VoIP applications to ensure low latency and packet loss.

Question 5

During a site survey, a wireless specialist notices high co-channel interference on all 2.4 GHz channels. What is the best corrective action?

Accepted Answer

Migrate affected devices to the 5 GHz band

Answer

Migrating devices to the 5 GHz band reduces co-channel interference because 5 GHz has more non-overlapping channels.

(CWS) Certified Wireless Specialist Practice Test