VPC Any applications where high availability needs to be deployed and maintained by the customer must be deployed in the AWS Virtual Private Cloud (VPC) service. The network service enables you to define both public and private network environments, with complete control over the routing and granular security of the network. A VPC requires you […]

Creating Cost Allocation Tags Once the tags are activated and enabled, you can visualize them using AWS Cost and Usage Reports, or various other tools such as Cost Explorer, AWS Budgets, and so on. AWS also offers different options when it comes to creating tags for your resources, such as the AWS Management Console, AWS […]

Important note Before feeding any ML algorithm with data, make sure your feature types have been properly identified. In theory, if you are happy with your features and have properly classified each of them, you should be ready to go into the modeling phase of the CRISP-DM methodology, shouldn’t you? Well, maybe not. There are […]

Systems Manager Incident Manager AWS has a native tool that allows you to track, respond to incidents, and even alert those responsible for responding to the incidents, all from a single service: Systems Manager Incident Manager. Before an incident ever happens, you need to prepare for it. This involves the formulation and analysis of escalation […]

Route 53 Failover Once all of the application-related tasks have been completed for the backup location, Route 53 needs to be configured with health checking, as shown in Figure 2.24. This allows for Route 53 to continuously check that the primary location is up, and should it stop responding to the checks, it will be […]

ExamAlert Not all scalable applications are inherently elastic.for example, an application that only supports vertical scaling. Not all elastic applications are inherently highly available.for example, a horizontally scalable application in one availability zone. Not all highly available applications are inherently resilient.for example, an application distributed across two availability zones with each location able to handle […]

Establishing Governance with Tagging Organizing resources in a meaningful way helps IT teams understand cost spending and overall usage patterns of even the most complex workloads, and this organization of resources can be achieved by leveraging a simple concept called tags. This section covers tagging in depth, as well as discussing some essential best practices […]

You have probably heard that data scientists spend most of their time working on data-preparation-related activities. It is now time to explain why that happens and what types of activities they work on. In this chapter, you will learn how to deal with categorical and numerical features, as well as how to apply different techniques […]

EC2 Resource Isolation Assume you have an EC2 instance initiating unexpected API behavior. This has been identified as an anomaly and is considered to be an abnormal operation. As a result, this instance is showing signs of being a potentially compromised resource. Until you have identified the cause, you must isolate the resource to minimize […]

This chapter covers the following official AWS Certified SysOps Administrator – Associate (SOA-C02) exam domains: Domain 2: Reliability and Business Continuity Domain 5: Networking and Content Delivery (For more information on the official AWS Certified SysOps Administrator – Associate [SOA-C02] exam topics, see the Introduction.) CramSaver If you can correctly answer these questions before going […]