Practice Challenges And Considerations (3.3) - Chapter 7: IoT Security and Blockchain

Practice: Challenges and Considerations

Lesson 3.3IoT Security and Blockchain

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9 questions

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3 cards from this section. Quick, good the night before a test.
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6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does scalability refer to in the context of blockchain?
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Think about handling more data traffic.
Question 2.
Why is energy consumption a concern for IoT devices?
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Consider the energy sources of IoT devices.
3Question 3.
What is a major challenge faced by traditional blockchains in IoT?
- High transaction speed
- Low energy consumption
- Scalability issues
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Think about how much data IoT devices generate.
4Question 4.
True or False: Proof of Work is a suitable consensus mechanism for energy-constrained IoT devices.
- True
- False
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Consider the power limitations of IoT systems.
Question 5.
Propose a blockchain architecture for an IoT application, considering scalability and energy efficiency. Discuss potential challenges.
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Think about how many devices will connect and how fast transactions need to be processed.
Question 6.
Identify a smart city IoT application that could benefit from blockchain. Describe how the challenges discussed could be addressed.
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Consider IoT volume and the need for real-time data.

5 more questions in this section. Enroll free to practise them all.