A Level Computer Science OCR Practice Exam

Which property of Virtual Storage could be considered a disadvantage?

1. It can be accessed remotely.

2. It is reliant on bandwidth.

3. It increases data redundancy.

4. It utilizes hard drive space.

The correct answer is: It is reliant on bandwidth.

Reliance on bandwidth is a significant disadvantage of virtual storage. This is because effective use of virtual storage solutions often requires a stable and fast internet connection. If the bandwidth is limited or inconsistent, it can lead to slower data access and transfer rates, which can adversely affect performance. When multiple users are accessing the storage simultaneously or when large amounts of data need to be moved, high bandwidth is crucial to ensure responsiveness and efficiency. If the bandwidth is insufficient, users may experience delays, which can hinder workflow and productivity. While other choices present valid characteristics of virtual storage, they do not necessarily constitute disadvantages in the same way. The ability to access data remotely is typically seen as an advantage, enabling flexibility and convenience. Increased data redundancy can also be beneficial, as it enhances data safety and backup options. Utilizing hard drive space is a neutral aspect; while virtual storage systems do consume physical storage, it's a normal expectation in any storage solution and does not inherently denote a disadvantage.