CWISA-102 Exam Dumps - Certified Wireless IoT Solutions Administrator

• IEEE 802.15.4: The IEEE 802.15.4 standard is a fundamental specification for low-rate wireless personal area networks (LR-WPANs). It serves as the basis for many wireless IoT protocols.
• IEEE's Role: The Institute of Electrical and Electronics Engineers (IEEE) is the organization responsible for creating, maintaining, and publishing the 802.15.4 standard.

References

• IEEE 802.15.4 Standard: https://standards.ieee.org/standard/802_15_4-2020.html
• IEEE Website: https://www.ieee.org/

• Primary Concern: Safety: Building codes and safety regulations are there to prevent injury and accidents. This includes potential harm from improper equipment installation (falling objects, electrical hazards, etc.).
• Legal and Ethical Responsibility: Organizations have an obligation to provide a safe workplace for employees and protect the well-being of end-users.
• Insurance Considerations: While complying with codes may impact insurance rates, this shouldn't be the primary motivation, as safety itself is paramount.

References:

• Occupational Safety and Health (e.g., OSHA in the US): Websites of regulatory bodies outlining guidelines for safe equipment installation in various settings.
• Electrical Codes (e.g., National Electrical Code): Standards that address safe practices to prevent fire and shock hazards.

• Attenuation: Describes the progressive loss of signal strength as it travels through a medium (like air, cables, walls). It's caused by factors like absorption, distance, and obstacles.
• Other Phenomena:

References

• Attenuation: https://en.wikipedia.org/wiki/Attenuation

• LoRa: Refers to the physical layer chirp spread spectrum (CSS) modulation, enabling long-range, low-power communication.
• LoRaWAN: An open MAC layer protocol that builds on LoRa, defining network architecture, device management, and data routing for large-scale LoRa networks.

• Signal Strength and Data Rate: In wireless links, weaker signal strength often directly correlates to reduced transmission speeds. Modern wireless technologies use adaptive modulation and coding, sacrificing speed for reliability when signals become weaker.
• Noise and Interference: While these can impact performance, they don't inherently decrease simply because signal strength drops.
• Latency: Latency can be affected by poor signal, but its primary drivers are distance and network congestion.

References:

• Wireless Signal Strength vs. Speed: Articles explaining the relationship and how adaptive modulation works.
• Modulation and Coding Schemes (MCS): Technical descriptions of how Wi-Fi and other wireless technologies adjust speeds based on signal quality.