10 short answer questions, each question should be at least 350 words with a reliable source.
1. Most critical infrastructure is planned, while the Internet emerged without central control or a plan. Compare the results obtained by the planned Interstate Highway System versus the ARPANet in terms of planning, governance, and results.
2. TCP/IP is well known to be nonsecure. Why isn’t it fixed or replaced by a secure protocol?
3. Online banking allows cell phone users to send a photograph of a check to an automatic teller machine for depositing. Describe the trusted path between the cell phone and the bank’s database containing the account where the money is deposited.
4. Why is GPS location tracking via smartphones a concern? What harm might happen if a person’s location is known to ecommerce sites like Google.com, Facebook.com, Instagram.com, and Twitter.com?
5. Explain in your own words why redundancy may lead to less resilience against cascading in an SCADA network. Recall the Paradox of Redundancy and the Braess paradox
6.Water safety and security has gone through several stages from concern for purity to concern for terrorism. Does the rise of malware attacks against ICS add to this evolution? Why or why not?
7.Why are pipelines generally resilient against cascade failures but fragile in terms of flow resilience and link robustness? Suggest a way to increase link robustness in the Colonial pipeline network.
8.There is little evidence that the SARS epidemic spread to other countries through inflight contact with infected passengers. Rather, it spread because already infected passengers got off the airplane in distant cities. Propose a strategy for public health workers attempting to stop pandemics.
9. Containers are getting larger, and so are ports. Is this a symptom of selforganization, and if so, what does it say about the future of international trade? Where will the largest ports be in the future?
10.Compare and contrast ApplePay, PayPal, and the 3D secure payment protocol.
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