AP CSP Day 47: Big Data
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Practice Question
The Internet was designed with no single central authority controlling all data flow. Which of the following are advantages of this decentralized design?
I. If one part of the network fails, other parts can continue functioning independently.
II. No single organization can control or censor all Internet traffic globally.
III. Every data transmission always takes the shortest possible path between source and destination.
Statement I is true: decentralization means failures are localized and don't bring down the entire network. Statement II is true: no central authority means no single point of control. Statement III is false: routing considers factors like congestion, policies, and available paths — packets may not take the shortest route.
B) Statement II is also a genuine advantage of decentralization. C) Statement III is false — routing is dynamic and considers multiple factors. D) Statement III is false, making "all three" incorrect.
Students assume data always takes the optimal or shortest path. In reality, Internet routing is dynamic and influenced by congestion, network policies, cost, and available bandwidth.
The Internet's decentralized design provides two key benefits: resilience (no single point of failure) and openness (no single point of control). Routing efficiency is not guaranteed.
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