| Feature | Local Secondary Storage | Cloud Storage |
|---|---|---|
| Accessibility | Limited to physical location/LAN | Anywhere with internet access |
| Cost Model | Capital Expenditure (CapEx) | Operational Expenditure (OpEx) |
| Maintenance | User responsible for hardware | Provider responsible for hardware |
| Scalability | Limited by physical drive slots | Virtually infinite and instant |
Identify the 'Why': When asked about advantages, focus on accessibility and collaboration; when asked about disadvantages, focus on internet dependency and long-term subscription costs.
Check the Connectivity: Always mention that cloud storage is useless without a stable Wide Area Network (WAN) or internet connection, as this is a common point of failure in exam scenarios.
Security Nuance: Remember that while cloud providers offer high security (encryption, physical guards), the user is often responsible for managing access permissions and passwords.
Data Sovereignty: Be aware that data stored in the cloud may be subject to the laws of the country where the physical server is located, not necessarily where the user resides.
Sync is not Backup: Many users confuse file synchronization (like Dropbox) with true backup; if a file is deleted or corrupted locally, the change may sync and destroy the cloud version immediately.
Hidden Costs: While storage is cheap, 'Data Egress' (moving data out of the cloud) can incur significant fees that are often overlooked during the planning phase.
Latency Issues: Accessing a file from a remote server is significantly slower than accessing it from a local SSD due to network propagation delays and bandwidth limits.
