Which of the following is a disadvantage of cloud computing?

Question

BlackTom AI · Accepted Answer

Cloud computing stores data and runs applications on remote servers that users access over the Internet, so a primary practical drawback is dependency on network connectivity: if you cannot reach the provider's servers, you cannot access your cloud-hosted data or software. This is exactly the disadvantage stated in option d.

Relevant concepts:
- Cloud computing centralizes storage and processing on remote servers (IaaS/PaaS/SaaS).
- Advantages include reduced local hardware needs, platform/device independence, and built-in backup/recovery and scalability.
- Disadvantages include reliance on Internet connectivity, potential downtime, latency, vendor lock-in, and security/privacy concerns.

Step-by-step reasoning evaluating each option:
1. Option a: "More hardware required to store data in our computer." This contradicts the core benefit of cloud computing. Because storage is offloaded to cloud servers, local hardware requirements typically decrease, not increase. Thus a is incorrect.
2. Option b: "Data is only accessible from a desktop computer so it is not convenient." Cloud services are designed to be device-agnostic; data and apps can be accessed from desktops, laptops, tablets, and smartphones. So b is incorrect.
3. Option c: "Backup cannot be easily created and they cannot be recovered from the cloud." In practice, cloud providers offer automated backups, snapshots, versioning, and disaster recovery services — making backup and recovery easier, not harder. While misconfiguration or provider limits can cause issues, the general statement is false, so c is incorrect.
4. Option d: "Internet access required so you cannot access the data or software if there is no internet connection." This correctly identifies the network-dependency limitation: without Internet, cloud-hosted resources are inaccessible. Network outages or poor connectivity directly prevent access, making this a valid disadvantage.

Why d is correct: it directly follows from the definition and architecture of cloud services — they require connectivity to remote servers. Therefore the correct choice is option d, matching the provided answer.

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

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