AWS Budgets and Billing Alarms – Cost Optimization Strategies – SOA-C02 Study Guide

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 […]

Transmitting Data Using Twisted Pairs – Fundamentals of Ethernet LANs – 200-301 Study Guide

Transmitting Data Using Twisted Pairs While it is true that Ethernet sends data over UTP cables, the physical means to send the data uses electricity that flows over the wires inside the UTP cable. To better understand how Ethernet sends data using electricity, break the idea down into two parts: how to create an electrical […]

Internet Group Management Protocol – Bidirectional Forwarding Detection – Networking – 350-601 Study Guide

Internet Group Management Protocol IGMPv3 includes the following key changes from IGMPv2: IGMPv3 supports source-specific multicast (SSM), which builds shortest path trees from each receiver to the source, through the following features: Host messages that can specify both the group and the source. The multicast state that is maintained for groups and sources, not just […]

Salesforce Environments – Salesforce Developer Experience (DX) – Salesforce Certified Platform Developer I Study Guide

10.1 Salesforce Environments Developer Pro Sandbox A Developer Pro Sandbox is a dedicated environment for individual developers or small teams. It provides a separate space for development and testing, allowing developers to work independently without affecting other developers’ work. It is typically used for individual development and testing tasks, such as building new features, debugging […]

SageMaker Debugger – Amazon SageMaker Modeling – MLS-C01 Study Guide

SageMaker Debugger In this section, you will learn about Amazon SageMaker Debugger, unraveling the intricacies of monitoring, profiling, and debugging ML model training: In a nutshell, Amazon SageMaker Debugger emerges as a holistic toolkit, empowering you to monitor, profile, and debug your ML models with finesse. It’s not just a tool; it’s your ally in […]

Creating a VPC Endpoint – Configuring Infrastructure Security – SCS-C02 Study Guide

Creating a VPC Endpoint Generally, traffic traveling to the Amazon S3 service would use the public internet to get to its destination. If this had originated from an EC2 instance from within your VPC, then this route could take an IGW if the instance was in a public subnet or a NAT gateway if it […]

Consistent Behavior over All Links Using the Ethernet Data-Link Layer – Fundamentals of Ethernet LANs – 200-301 Study Guide

Consistent Behavior over All Links Using the Ethernet Data-Link Layer Although Ethernet includes many physical layer standards, Ethernet acts like a single LAN technology because it uses the same data-link layer standard over all types of Ethernet physical links. That standard defines a common Ethernet header and trailer. (As a reminder, the header and trailer […]

Multicast – Bidirectional Forwarding Detection – Networking – 350-601 Study Guide

Multicast The IP communication traditionally defines the unicast communication, when there is a host to host communication, or 1:1, and the broadcast type of communication where one host sends to all other hosts. When there is the need to communicate with multiple, but not all, hosts the broadcast communication is not effective as all hosts […]

Configure Azure Storage firewalls and virtual networks – AZ-104 Study Guide

Configure Azure Storage firewalls and virtual networks Storage accounts are managed through Azure Resource Manager. Management operations are authenticated and authorized using Microsoft Entra ID RBAC. Each storage service exposes its own endpoint used to manage the data in that storage service (blobs in Blob Storage, entities in tables, and so on). These service-specific endpoints are not exposed through Azure Resource […]

Review Questions – Inter-VPC and Multi-account Networking – ANS-C01 Study Guide

Review Questions 1.Due to federal governance restrictions, your sensitive customer data is not allowed to traverse the public Internet when in transit between certain AWS hosted applications. You need to interconnect two private VPCs in the Osaka region. What AWS network interconnect option would you use to meet these requirements?A.CloudWatchB.CloudTrailC.Direct ConnectD.PrivateLink