Global Accelerator When accessing AWS resources over the Internet, traffic is routed from your local connection over the Internet to the region requested over many hops and, often, across many different Internet providers and backbone carriers. This can cause additional latency and suboptimal performance. The AWS Global Accelerator service can greatly improve network performance by […]

Limitations AD Connector is not compatible with Amazon RDS for SQL Server or with Amazon FSx for Windows File Server. When to Use It AD Connector is recommended when you want to use your existing on-premises directory with compatible AWS services. Managed Microsoft AD Managed Microsoft AD essentially lets you run Microsoft AD as a […]

Load Balancer Architectures ELB architectures include Internet-facing or internal configurations. When assigned a public IP address and configured to be reachable from the Internet, an AWS Elastic Load Balancer instance can service public connections by acting as a front end to the backend services that can be inaccessible to the public and be in a […]

Shuffling your training set Now that you know what variance and data splitting are, you can go a little deeper into the training dataset requirements. You are very likely to find questions around data shuffling in the exam. This process consists of randomizing your training dataset before you start using it to fit an algorithm. […]

End-User Applications Services Within the scope of foundation services, AWS also bundles end-user applications; they include the ability to provide users with everything required to perform their work including but not limited to  Amazon WorkMail: An enterprise email and calendar service that seamlessly integrates with almost any email client.  Amazon WorkDocs: A document editor and […]

Data splitting Training and evaluating ML models are key tasks of the modeling pipeline. ML algorithms need data to find relationships among features in order to make inferences, but those inferences need to be validated before they are moved to production environments. The dataset used to train ML models is commonly called the training set. […]

Steps to Use AMIs in a Secure Manner If you look in AWS Marketplace or even search from the EC2 Launch page, you will see that there are lots of AMIs to choose from. Many of these AMIs are provided by community members or third-party providers. How are you to know that the AMI that […]

Examining Access Control In this section, you will investigate two different approaches organizations can take to control access, either based on a principal’s role or based on specific properties, also known as attributes, characterizing a principal. Role-Based Access Control (RBAC) This is the traditional access control approach where the permissions defining the actions that a […]

Network Services The network services allow the application’s components to interact with each other and also connect the application to the Internet and private networks. Examples of network services include  Amazon Virtual Private Cloud (VPC): This service allows you to connect applications with private network ranges, connect those private ranges with the Internet, and assign […]

Billing Billing is for the actual usage of CloudFront and does not require minimum charges or any time commitments. Billing is based on the amount of data you transmit out from the edge locations to the Internet and is charged by the gigabyte. Charges from the CloudFront services to the origins, either AWS or in […]