CWS CWS Site Survey Fundamentals 2

Question 1

During a passive wireless site survey, which action best describes what the surveyor does?

Accepted Answer

Listens to existing RF traffic without transmitting probe frames

Answer

Associates a client device to each AP and measures throughput

Answer

Deploys temporary APs and measures coverage overlap

Answer

Sends ICMP pings to measure round-trip latency

Question 2

What is the primary purpose of measuring the Signal-to-Noise Ratio (SNR) during a site survey?

Accepted Answer

To determine how well a signal can be distinguished from background RF noise

Answer

To calculate the exact transmit power of nearby APs

Answer

To count the number of client devices associated to each AP

Answer

To verify the physical cable connections to each access point

Question 3

A site surveyor notices the noise floor in a warehouse is -85 dBm. An AP signal reads -75 dBm. What is the SNR?

Accepted Answer

10 dB

Answer

160 dB

Answer

-160 dB

Answer

-10 dB

Question 4

Which document should a CWS candidate review BEFORE conducting an on-site survey to understand areas that may be off-limits or require escorts?

Accepted Answer

A site security policy or facility access agreement

Answer

The IEEE 802.11 amendment list

Answer

The manufacturer's AP datasheet

Answer

The ISP service-level agreement

Question 5

Which type of site survey uses software to model RF propagation before any hardware is installed?

Accepted Answer

Predictive (RF modeling) survey

Answer

Active survey

Answer

Passive survey

Answer

Manual walk-test survey

Question 6

When performing a site survey in a building with multiple floors, what critical factor must be accounted for regarding RF propagation?

Accepted Answer

Inter-floor signal bleed can cause co-channel interference between vertically adjacent APs

Answer

Signals only travel horizontally and never penetrate floors

Answer

Each floor operates on a completely isolated RF spectrum by regulation

Answer

Vertical signal propagation always doubles the path loss compared to horizontal

Question 7

What is the recommended minimum RSSI value for basic Voice over Wi-Fi (VoWiFi) coverage in most enterprise deployments?

Accepted Answer

-70 dBm

Answer

-85 dBm

Answer

-55 dBm

Answer

-40 dBm