ExamAlert Expect to see at least a handful of CLI questions on the exam. Some of these questions might focus on just the syntax of AWS CLI commands, but there can be some resource-specific questions. If you want to review CLI commands for a specific resource, visit the following reference: https://awscli.amazonaws.com/v2/documentation/api/latest/reference/index.html. The AWS CLI can […]

Classic Load Balancing For completeness, and to avoid any confusion if you come across the classic load balancer (CLB), it will be briefly mentioned here. The classic load balancer was the first offering within the ELB family of load balancers from AWS. The CLB was deployed to balance EC2 instances before VPCs came into existence. […]

Foundational Requirements First things first, it’s essential to consider your foundations, that is, your AWS environment, which must be able to accommodate the workload requirements. Two elements in particular must be tackled as they could impact the reliability of any workload: resource constraints and network topology. Resource Constraints Resource constraints can be further split into […]

Security Alerting with AWS Security Hub With so many security tools available in both AWS and from third-party providers, those that are responsible for managing the alerts need a single pane of glass to centralize all the alerts and notifications coming in. AWS Security Hub helps you consolidate many of your security findings, alerts, and […]

Visualizing comparisons in your data Comparisons are very common in data analysis and there are different ways to present them. Starting with the bar chart, you must have seen many reports that have used this type of visualization. Bar charts can be used to compare one variable among different classes – for example, a car’s […]

This chapter covers the following official AWS Certified SysOps Administrator – Associate (SOA-C02) exam domain: Domain 3: Deployment, Provisioning, and Automation (For more information on the official AWS Certified SysOps Administrator – Associate [SOA-C02] exam topics, see the Introduction.) As you can probably imagine, provisioning resources in AWS is a major responsibility within an organization. […]

Application Load Balancing The application load balancer, or layer 7 load balancer, is a version 2 ELB that supports HTTP, HTTPS, and WebSocket protocols. It is important to remember that the ALB does not listen for other protocols such as VOIP, gaming, SSH, FTP, or any others. If you want to work with these protocols, […]

Principle 2 – Test Recovery Procedures Having automated recovery procedures is good, but making sure they work is better. If you’re new to the cloud, you may be used (in your on-premises environment) to testing your workloads and making sure they work in “normal” conditions, but you may be less used to testing recovery procedures […]

Reviewing the Findings in GuardDuty If you went through the exercise in the previous section, you will see the findings appear inside the GuardDuty console after about 8 to 10 minutes. At the top of the screen, the colored ovals that previously contained all zeros will now have one in the medium-severity category and two […]

Data visualization is an art! No matter how much effort you and your team put into data preparation and preliminary analysis for modeling, if you don’t know how to show your findings effectively, your audience may not understand the point you are trying to make. Often, such situations may be even worse when you are […]