Question

Difficulty: HardArgument by Analogy

Read the following argument carefully.

Information Scientist: Physical museums routinely deaccession—sell or discard—artifacts that are highly redundant or severely degraded. They do this to dedicate their finite storage and maintenance budgets to preserving the most culturally significant pieces. Attempting to preserve every single physical artifact inevitably leads to a degradation in the quality of care for truly important pieces. By the exact same logic, national data centers should implement automated deletion protocols for redundant or corrupted digital records. Attempting to save every byte of data will similarly compromise our ability to secure and maintain critical digital infrastructure.

Which of the following, if true, represent valid points of disanalogy that weaken the information scientist's argument? (Select all that apply)

  1. Redundant digital records frequently serve as necessary cryptographic backups that actively protect critical infrastructure from data loss, whereas redundant physical artifacts provide no such structural protection to other artifacts.Answer
  2. The physical deterioration of one museum artifact can spread mold or chemical degradation to adjacent culturally significant pieces, whereas a corrupted digital record poses no risk of spreading corruption to independently stored critical infrastructure.Answer
  3. C
    Many prominent physical museums have recently received private endowments specifically earmarked for expanding their physical storage capacities, reducing their need to deaccession items.
  4. D
    Data centers and physical museums both require highly specialized, energy-intensive climate-control systems to prevent their respective contents from degrading.
  5. E
    The automated deletion protocols used by data centers are developed by software engineers, whereas the deaccession decisions in physical museums are made by boards of expert curators.

Answer

The correct selections are the statement regarding redundant digital records acting as cryptographic backups, and the statement regarding the physical deterioration of artifacts spreading mold or chemicals.
The correct options successfully identify structural differences between the base case (museums) and the target case (data centers) that undermine the conclusion. The statement concerning cryptographic backups reveals that redundant digital data has a protective function that redundant physical artifacts lack, breaking the premise that redundancy is universally detrimental. The statement regarding the spread of physical degradation (mold or chemicals) highlights a contagion risk inherent to physical storage that does not apply to digital storage, weakening the claim that corrupted data threatens critical digital infrastructure in the exact same way degraded physical artifacts threaten collections.

Step-by-Step Solution

1
Identify the base case, the target case, and the conclusion of the analogy.
Base case: Physical museums discarding redundant/degraded artifacts to save resources. Target case: Data centers deleting redundant/corrupted data. Conclusion: Data centers should delete data to protect critical infrastructure.
Understanding the exact components of the analogy is necessary to find structural differences between them.
2
Determine what constitutes a 'valid point of disanalogy that weakens the argument'.
A valid weakening disanalogy must show a relevant difference between physical artifacts and digital data that makes the museum's strategy inappropriate or unnecessary for a data center.
To weaken an argument by analogy, one must attack the structural similarities the conclusion relies upon.
3
Evaluate each option against the requirements of a weakening disanalogy.
The option regarding cryptographic backups shows digital redundancy is beneficial (unlike physical redundancy). The option regarding mold/chemicals shows physical degradation actively harms other items (unlike digital corruption). The other options attack a premise, state a similarity, or highlight an irrelevant detail.
Systematic elimination ensures that only the options directly disrupting the logical translation from the base case to the target case are selected.

Key Concept

Evaluating Arguments by Analogy
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