Which of the following is a disadvantage of cloud computing?

Question

BlackTom AI · Accepted Answer

Cloud services store data on remote provider-owned servers, so the physical location of data is often unknown to the end user — this is a well-recognized disadvantage of cloud computing.

1) Relevant knowledge points and concepts
- Cloud computing hosts data and applications on providers’ data centers rather than the user’s local machine. 
- Data location (which country or specific data center holds the data) affects legal jurisdiction, data sovereignty, compliance (e.g., GDPR), and sometimes latency and performance. 
- Typical cloud advantages include reduced local hardware needs and ubiquitous access via the internet; typical disadvantages include dependency on network connectivity, potential vendor lock-in, and uncertainty about physical data location and related privacy/security risks.

2) Step-by-step reasoning
- Option a states “Data location is unknown.” Because cloud providers distribute and replicate data across multiple centers and may not disclose exact physical locations to individual users, users often do not know precisely where their data resides. That uncertainty creates legal, compliance, and privacy concerns—thus it is a genuine disadvantage.
- Option b claims “More hardware required to store data in our computer.” Cloud computing reduces the need for local storage hardware because data is stored remotely, so b contradicts the core benefit and is incorrect.
- Option c says “No internet access required.” The opposite is true: cloud access generally requires internet connectivity, making this statement false and not a disadvantage of cloud computing.
- Option d asserts “Data is only accessible from a single device so it is not convenient.” Cloud computing is designed for multi-device access (phones, tablets, PCs), so d is incorrect.

3) Intermediate logic steps (explicit)
- Cloud = remote storage + provider-managed data centers → user typically lacks exact physical location knowledge.
- Unknown location → legal/compliance risk → disadvantage.

4) Why the correct answer is correct
Because cloud providers often replicate and move data among centers and may not reveal exact locations, users face uncertainty about jurisdiction, compliance, and privacy—concrete disadvantages of using cloud services.

5) Why other options are incorrect
- b is false because cloud reduces local hardware needs.
- c is false because cloud requires internet access.
- d is false because cloud enables access from many devices.

Conclusion: The correct answer is a. Data location is unknown, which matches the provided answer.

Which of the following is a disadvantage of cloud computing?单项选择题

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