CCIE Enterprise Wireless RF Site Survey Planning

1. When planning AP placement for a multi-story building, what is a critical consideration?

Placing all APs on the top floor for maximum coverage

Vertical signal propagation and floor attenuation factors

Using only omnidirectional antennas on each floor

Minimizing the number of APs regardless of coverage gaps

2. What is a key metric to validate during an active site survey to ensure adequate capacity?

Maximum transmit power of the access point

Actual throughput under load and client count density

The number of walls in the survey area

The brand of the wireless access points

3. In RF site survey planning, what does 'roaming' require in terms of signal overlap between adjacent APs?

Complete signal coverage with no gaps between cells

Signal overlap of -67 dBm or better at cell edges

Minimum 10 dB difference between APs

No overlap to prevent interference

4. Which frequency band provides better indoor propagation characteristics due to lower attenuation?

2.4 GHz band

5 GHz band

6 GHz band

60 GHz band

5. What is the typical cell overlap percentage recommended in enterprise wireless site survey planning?

10-15% overlap

20-30% overlap

50-80% overlap

No overlap is acceptable

6. In site survey documentation, what should be recorded for each measurement location?

Only the RSSI value

GPS coordinates, RSSI, SNR, channel, and nearby interference sources

Only the access point name

Only the time of day

7. What is the primary benefit of conducting a predictive site survey using RF modeling software?

It eliminates the need for on-site measurements

It provides initial AP placement recommendations before field validation

It guarantees 100% coverage without gaps

It reduces the cost of access points

8. Which channel configuration minimizes co-channel interference in a 2.4 GHz enterprise deployment?

Channels 1, 6, and 11

Channels 1, 2, and 3

Channels 5, 9, and 13

All 14 channels simultaneously

9. In RF site survey planning, what does 'co-channel interference' refer to?

Interference from devices on the same wireless channel

Interference from wired network cables

Interference from adjacent building APs

Interference from microwave ovens only

10. What is the typical expected path loss for a signal traveling 100 meters in free space at 2.4 GHz?

Approximately 80 dB

Approximately 100 dB

Approximately 120 dB

Approximately 140 dB

11. Which propagation model is most accurate for predicting signal attenuation in large indoor environments with multiple floors and walls?

Free space path loss model

Log-distance path loss model

ITM (Irregular Terrain Model)

Two-ray ground reflection model

12. What is the primary advantage of using a spectrum analyzer during RF site surveys?

To measure client device battery life

To identify non-Wi-Fi interference sources and RF noise

To configure DHCP settings

To encrypt wireless traffic

13. In site survey planning, what does SNR (Signal-to-Noise Ratio) measure?

The strength of the wireless signal relative to interference

The number of access points in a given area

The encryption level of the network

The distance between the client and access point

14. Which of the following materials causes the greatest RF signal attenuation in an indoor environment?

Drywall

Glass windows

Metal studs and reinforced concrete

Wooden doors

15. What does the term 'fade margin' represent in RF site survey planning?

The difference between peak and minimum signal strength

The buffer between expected signal level and minimum acceptable threshold

The loss of signal due to antenna misalignment

The reduction in transmit power over distance

16. During an active site survey, which tool measures data throughput and identifies areas of poor performance?

Spectrum analyzer

Wireless client utility

Iperf or similar throughput testing tool

Protocol analyzer

17. What is the typical acceptable RSSI threshold for reliable wireless coverage in an enterprise environment?

-40 dBm or better

-67 dBm or better

-90 dBm or better

-120 dBm or better

18. Which antenna type provides the widest coverage area in a horizontal plane and is commonly used for general enterprise coverage?

Yagi antenna

Omnidirectional antenna

Directional antenna

Parabolic antenna

19. In site survey planning, what does RSSI (Received Signal Strength Indicator) typically measure?

The modulation efficiency of the access point

The power level of the received radio signal

The total number of connected wireless clients

The encryption strength of the wireless network

20. What is the primary purpose of conducting a passive RF site survey before deploying an enterprise wireless network?

To identify existing RF interference and noise sources

To determine the exact number of access points needed

To configure all network security settings

To test client device connectivity

CCIE Enterprise Wireless RF Site Survey Planning Quiz