350-401 Question 19
Select 3A company is designing a wireless network to support high-density usage in a university lecture hall. Which of the following design principles should be considered to ensure reliable performance and coverage?
- A
Use directional antennas to focus coverage on specific areas.
- B
Deploy access points on a 2.4 GHz frequency for better range.
- C
Ensure proper channel planning to avoid co-channel interference.
- D
Limit the number of SSIDs broadcasted to reduce overhead.
- E
Increase the transmit power of access points to maximize coverage.
Show answer and explanation
Correct answers: A, C, D
Explanation
High-density wireless network design requires careful consideration of factors such as focused coverage, interference mitigation, and efficiency. Directional antennas effectively concentrate coverage in targeted areas, while proper channel planning and limiting SSIDs reduce interference and overhead. Deploying on the 5 GHz band is typically recommended for high-density environments, and increasing transmit power without proper design can cause interference rather than improving performance.
- A. Correct.
Using directional antennas can help focus the signal strength on specific areas, improving coverage and reducing interference in high-density environments.
- B. Incorrect.
While 2.4 GHz offers better range, it is more prone to interference and congestion. For high-density environments, 5 GHz is generally preferred due to its wider channel availability.
- C. Correct.
Proper channel planning ensures that adjacent access points do not operate on overlapping channels, reducing co-channel and adjacent-channel interference.
- D. Correct.
Limiting the number of SSIDs reduces management overhead and improves wireless network efficiency, especially in environments with many clients.
- E. Incorrect.
Increasing transmit power indiscriminately can lead to co-channel interference and coverage overlap, which negatively impacts performance in high-density environments.