WGU Cloud-Deployment-and-Operations Dumps Questions Answers

The AWS monitoring feature used to process events with AWS Lambda is CloudWatch Events, specifically through the use of rules. Rules define the events to monitor (e.g., based on event patterns) and specify targets like AWS Lambda functions to process those events. The WGU Cloud Deployment and Operations Study Guide (Section 4.3, CloudWatch Events) explains that rules are the core component for event-driven architectures, enabling automation by linking events to Lambda for processing. Metrics, targets, and logs are related but not the primary feature for this function.

Comprehensive and Detailed Explanation From Exact Extract:

To reduce latency in region B due to increased demand for media files stored in region A, cross-region replication (CRR) should be used. CRR replicates objects to an S3 bucket in another region (e.g., region B), allowing users to access files from a closer location, thus minimizing latency. The WGU Cloud Deployment and Operations Study Guide (Section 2.2, S3 Replication) states, "Cross-Region Replication in S3 copies objects to a destination bucket in a different region, reducing latency by enabling access to data from the nearest region, such as region B in this case." S3 Batch, S3 Versioning, and Same-Region replication do not address cross-region latency.

Comprehensive and Detailed Explanation From Exact Extract:

In Amazon CloudFront, the caching TTL is controlled by the minimum and maximum TTL settings, with the maximum TTL (in seconds) capping the cache duration. The current Max TTL is 172800 seconds (48 hours), and the Cache-Control setting of 432000 seconds (120 hours) is ignored because it exceeds the Max TTL. To cache objects for up to 120 hours, the Max setting must be configured to 432000 seconds. The WGU Cloud Deployment and Operations Study Guide (Section 4.4, CloudFront Caching) states, "The maximum TTL in CloudFront settings (e.g., 172800 seconds) overrides any higher Cache-Control value; to allow 120 hours (432000 seconds), the Max TTL must be set accordingly." Adjusting Min, expiration, or Cache-Control alone does not resolve this.