ExamAlert The AWS Well-Architected Framework is a big topic. Although you don’t need to be an expert on this topic for the exam, having a basic understanding of the pillars and their purpose will help you with some difficult questions on the exam. Both the Operational Excellence and Performance Efficiency pillars rely on monitoring resources, […]

This chapter covers the following official AWS Certified SysOps Administrator – Associate (SOA-C02) exam domain: Domain 6: Cost and Performance Optimization (For more information on the official AWS Certified SysOps Administrator – Associate [SOA-C02] exam topics, see the Introduction.) In the preceding chapter, you focused on strategies and tools to optimize the costs of your […]

AWS Budgets and Billing Alarms In the third step, you can set up alerts. These alerts can be used to notify you if you are getting close to your budget maximum. Alerts can be either mailed to individuals, sent via Amazon SNS (Simple Notification Service, which can be used as a text-messaging service), or via […]

AWS Compute Optimizer Determining whether a compute resource is cost-effective can be difficult without metrics. The AWS Compute Optimizer performs metric checks on AWS compute resources and generates recommendations that are designed to help you reduce your AWS costs. Figure 14.4 shows the types of resources on which Compute Optimizer can perform metric analysis. FIGURE 14.4 Compute […]

Cost Allocation Tags A cost allocation tag starts as a regular resource tag. Typically, these tags can be assigned when creating a resource or after the resource has already been created. For example, Figure 14.1 demonstrates tags being assigned to an EC2 resource as it is being created, whereas Figure 14.2 demonstrates tags being assigned to an […]

This chapter covers the following official AWS Certified SysOps Administrator – Associate (SOA-C02) exam domain: Domain 6: Cost and Performance Optimization (For more information on the official AWS Certified SysOps Administrator – Associate [SOA-C02] exam topics, see the Introduction.) In this chapter, you learn how to use AWS strategies and services to optimize your costs. […]

Troubleshooting Direct Connect Direct Connect issues can be difficult to diagnose. The ideal approach is to use the OSI model to help isolate the potential issues and the underlying cause. Layer 1 (physical) issues occur when you are having difficulty establishing physical connectivity to an AWS Direct Connect device. When a Direct Connect circuit is […]

HTTP Status Codes from an Origin When a cache miss occurs, the content must be retrieved from the origin. To the origin, this appears as a web request. The origin may return an HTTP error code (4xx or 5xx status codes). You can monitor, alarm, and receive notifications that include these HTTP response codes. CloudFront […]

Analyzing Standard Log Files More than 30 fields are included in each log file. They contain the date and time of the request and also the edge location where they were received. Other fields shown include the source IP, protocol, and port. Much like ALB access logs, the CloudFront logs also include the HTTP status […]

Cram Quiz Answer these questions. The answers follow the last question. If you cannot answer these questions correctly, consider reading this section again until you can. 1. You want to identify and count requests that are hitting a web application from varying on-premises datacenters. All datacenters are in the same country but have different IP address […]