Review Questions
AWS Infrastructure Scanning If you spin up an EC2 instance on a public URL and then check the logs, you will see that they are populated with scans that determine whether any standard software has been installed with the default settings. Even though AWS itself does not publish the list of public URLs used for […]
Amazon EventBridge This section covers the following official AWS Certified SysOps Administrator – Associate (SOA-C02) exam domain: Domain 1: Monitoring, Logging, and Remediation CramSaver If you can correctly answer these questions before going through this section, save time by skimming the Exam Alerts in this section and then completing the Cram Quiz at the end […]
Gateway Endpoints A gateway endpoint is the first type of endpoint that launched on AWS, and it has been supporting connectivity to only two AWS services ever since: Amazon S3 and Amazon DynamoDB. A gateway endpoint is a routable object that you must add to your VPC or subnet route table to be able to […]
Relational Database Service (RDS) This is one of the most commonly featured topics in AWS exams. You should have sufficient knowledge prior to the exam. In this section, you will learn about Amazon’s RDS. AWS provides several relational databases as a service to its users. Users can run their desired database on EC2 instances, too. […]
Mitigation for Business Continuity and Resilience A business can often determine how to recover and protect a particular application much more easily than it can determine how quickly each application needs to be recovered. This can be resolved by setting a Recovery Time Objective (RTO) and a Recovery Point Objective (RPO) for each application. How […]
Written Lab Written Lab 1.1: Create an HTTP API by Using the AWS Management Console https://l030ogly41.execute-api.us-west-2.amazonaws.com (for example) curlhttps://l030ogly41.execute-api.us-west-2.amazonaws.com (for example) Note: Since there is not a live web server, you will not see any data. Review Questions The following questions are designed to test your understanding of this chapter’s material. For more information on how to […]
Using other types of data stores Elastic Block Store (EBS) is used to create volumes in an Availability Zone. The volume can only be attached to an EC2 instance in the same Availability Zone. Amazon EBS provides both Solid-State Drive (SSD) and Hard Disk Drive (HDD) types of volumes. For SSD-based volumes, the dominant performance […]
Exam Essentials Understand the architecture of AWS CloudFront. Know that cached data is stored at edge locations based on demand. Regional edge caches are intermediate data stores for the local edge location to refresh content without having to go back to the originating source. Know the details of CloudFront invalidations and the protocols supported. Know […]
Interface Endpoints Interface endpoints, powered by AWS PrivateLink, are entry points for the traffic targeting a supported AWS service or a VPC endpoint service. Concretely, an interface endpoint consists of an Elastic Network Interface (ENI) with a private IP address taken from the address range associated with the subnet in which it is created. It […]