AWS (Amazon Web Services) Certification Practice Exam

How is data structured in block storage?

1. Stored as singular files

2. As objects with unique keys

3. In chunks or blocks

4. Over a flat address space

The correct answer is: In chunks or blocks

In block storage, data is organized in fixed-size chunks known as blocks. Each block is addressed individually, which allows for efficient data retrieval and management. This structure is particularly advantageous for databases and applications that require quick access to data, as it enables quick read and write operations. Block storage works like a traditional file system where various applications can interact with blocks directly. Each block can be assigned its own address, which enhances performance by making it easier to locate and access data as needed. This functionality is advantageous in environments where speed and efficiency are critical, such as in cloud-based applications and virtual machine storage. Other storage methods may organize data differently. For instance, file storage focuses on individual files, while object storage associates data with unique identifiers rather than blocks. Flat address spaces are typically used in different contexts and do not describe the way block storage organizes data. Understanding the structure of block storage is essential for utilizing cloud services effectively, especially if performance is a priority.