AWS Certified Developer Associate Practice Exam

The default AWS region for an SDK is indeed us-east-1, also known as the Northern Virginia region. This designation is due to several factors, including historical significance and the fact that many services were first launched in this region. As a result, SDKs often default to us-east-1 for operations when a specific region is not explicitly defined in the configuration. This ensures that developers have a predictable starting point for their applications and can easily connect to AWS services without needing to specify a region each time they initiate a request.

Using the default region can also simplify development and testing, as most AWS documentation and examples are often written using this region. However, it is crucial for developers to be aware of the regional settings for production environments, as deploying resources in various regions can help minimize latency and comply with data residency requirements.