805 Knowledge Checks and Assessments
805.1 Introduction
This chapter provides comprehensive assessments to test your understanding of mobile wireless technologies. Work through scenario-based questions, worked solutions, and quiz banks covering frequency bands, interference mitigation, link budgets, and real-world deployment decisions.
By completing this series, you will be able to:
- Apply wireless fundamentals to real-world IoT deployment scenarios
- Solve frequency band selection problems for various applications
- Analyze interference issues and propose mitigation strategies
- Calculate link budgets for indoor/outdoor deployments
- Evaluate technology trade-offs for smart agriculture, buildings, cities, and industrial applications
805.2 Prerequisites
Before attempting these assessments, you should have completed:
- Electromagnetic Waves and the Spectrum: Understanding electromagnetic wave properties
- IoT Wireless Frequency Bands: Knowledge of 2.4 GHz, 5 GHz, sub-GHz bands
- Spectrum Licensing and Propagation: Path loss calculations
- Design Considerations and Labs: Frequency selection frameworks
805.3 Assessment Chapters
This assessment series has been organized into four focused chapters, each covering specific wireless deployment scenarios:
805.3.1 1. Quiz: Frequency Band Selection for IoT
Duration: ~15 min | Difficulty: Intermediate | ~2,400 words
Master frequency band selection with scenarios covering:
- Smart agriculture deployment (200 hectares, 5-year battery requirement)
- Interference mitigation in crowded 2.4 GHz environments
- Technology comparison: LoRaWAN vs Zigbee vs Wi-Fi
- Channel overlap analysis and coexistence strategies
805.3.2 2. Quiz: Indoor Deployments & Link Budgets
Duration: ~15 min | Difficulty: Intermediate | ~2,600 words
Calculate link budgets and design indoor coverage with:
- Multi-floor office building coverage analysis
- Wall and floor penetration loss calculations
- Smart building RF deployment scenario (5-story, 200 sensors)
- Sub-GHz vs 2.4 GHz technology comparison for indoor environments
805.3.3 3. Quiz: Cellular & LoRaWAN Regulations
Duration: ~15 min | Difficulty: Intermediate | ~2,400 words
Understand regulatory compliance and spectrum selection:
- ETSI duty cycle calculations for LoRaWAN
- Campus-wide environmental monitoring deployment
- Spreading factor trade-offs (SF7 vs SF12)
- Licensed vs unlicensed spectrum decision framework
805.3.4 4. Quiz: Smart City & Multi-Technology Deployments
Duration: ~20 min | Difficulty: Intermediate | ~3,800 words
Master complex deployment decisions with:
- Smart city parking system (10,000 sensors, 15 km²)
- 10-year total cost of ownership analysis
- Risk assessment and mitigation planning
- Agricultural IoT deployment (2 km² farm)
- Weighted decision matrix methodology
805.4 Assessment Overview
| Quiz | Focus Area | Scenarios | Key Skills |
|---|---|---|---|
| Frequency Selection | Band selection, interference | Agriculture, 2.4 GHz coexistence | Technology comparison |
| Link Budgets | Indoor coverage, propagation | Office building, smart building | Path loss calculation |
| Cellular & LoRaWAN | Regulations, compliance | Campus LoRaWAN | Duty cycle analysis |
| Smart City | TCO, risk assessment | Parking, agriculture | Decision matrices |
805.5 Summary
These assessments cover the full spectrum of wireless IoT deployment challenges, from basic frequency selection to complex multi-technology decisions. Each quiz includes:
- Multiple-choice questions with detailed explanations
- Worked solutions showing calculation steps
- Scenario-based problems with comprehensive analysis
- Real-world cost and performance comparisons
805.6 What’s Next
Start with Quiz: Frequency Band Selection to test your foundational knowledge, then progress through the series.
Protocol Deep Dives: - Wi-Fi Fundamentals and Standards - 802.11 WLAN complete coverage - Bluetooth Fundamentals and Architecture - BLE and Classic Bluetooth - LoRaWAN Overview - Sub-GHz LPWAN
Learning Hubs: - Quiz Navigator - More self-assessment quizzes - Simulations Hub - Interactive RF tools