Requirements Drive Decisions: The decision between wired or wireless must align with the solution's overall purpose, performance targets, and operational constraints.
Key Considerations:
Reliability: Does the application require guaranteed connectivity? (Wired may be favored).
Installation Cost: Can extensive cabling be done, or is it prohibitively expensive? (Wireless may be favored).
Flexibility and Scalability: Is node placement likely to change in the future? (Wireless may be favored).
Other Factors are Important, But Secondary: Distance, PoE availability, specific applications all matter, but they are assessed within the context of the overarching business needs.
References:
Wireless vs. Wired Network Design: Comparisons of pros and cons, highlighting how use cases guide the choice.
IoT Solution Planning: Materials on defining requirements before selecting technology.

JSON Fundamentals: JSON (JavaScript Object Notation) is a text-based format for representing data in a structured, yet flexible way. Its key features are:
Key-Value Pairs: Information is organized as "key":"value" pairs, making it human-readable.
Plaintext: JSON is not encrypted, ensuring easy parsing across different systems.
JSON vs. Other Options
Not Encrypted: Security must be handled at a higher layer if needed.
Not Optimized for Databases: While JSON can be stored in databases, it's designed for data exchange, not database structure.
Not Inherently Compressed: Compression can be used with JSON, but it's not a core feature.
References:
JSON Introduction: Clear definitions and examples of its syntax. (e.g., https://www.json.org/json-en.html) JSON Data Structures: References of how arrays and nested objects are handled within JSON.

SINR vs. SNR:
SNR (Signal-to-Noise Ratio): Measures the power of the desired signal relative to background noise.
SINR (Signal-to-Interference-plus-Noise Ratio): Considers both background noise and interference from other signals operating on the same frequency.
Practical Importance: SINR is a more realistic indicator of real-world signal quality in wireless environments where interference is a significant factor.
References
SINR: https://en.wikipedia.org/wiki/Signal-to-interference-plus-noise_ratio SNR: https://en.wikipedia.org/wiki/Signal-to-noise_ratio

Overlay vs. Integrated Monitoring:
Overlay: A separate monitoring system independent of the primary wireless infrastructure.
Integrated: Monitoring functions built into wireless access points or controllers.
Overlay Advantage: Since the overlay system is separate, it doesn't add overhead or complexity to the core network, avoiding potential disruption of wireless services.

Cloud-based applications drive bandwidth usage: Applications like Google Suite, Microsoft 365, and video conferencing (Zoom, Teams) are commonly used in educational settings. These rely on cloud servers, requiring significant downloads and uploads.
Shift towards online learning: More schools are utilizing online learning platforms and resources, further increasing their dependence on cloud-based solutions.
Streaming, torrents, wearables less impactful: Streaming music and torrent sites can contribute, but their impact is generally less significant. Wearables in education are still niche despite their potential.
References
Trends in education technology: Reports on the rise of cloud-based learning platforms in schools.
[Example: Project Tomorrow Speak Up Research Project on Digital Learning] (https://tomorrow.org/speakup/) Network usage studies in schools: Research on bandwidth usage patterns can confirm the primary drivers of traffic in educational settings.