Subnets Selecting Subnets from the left-hand menu will bring up all the subnets associated with a particular VPC. If you do not have VPC filtering on, then all subnets created for the Region will be displayed. Figure 10.9: List of subnets There is an excellent analogy that can help you understand the relationship between VPCs […]

Application Specification So far, you have specified the AWS resources supporting the deployment (deployment group) and also instructed CodeDeploy on how to deploy the new application release and how to shift traffic to it (deployment configuration). There is one major element left to define, and that’s the application specification to let CodeDeploy know what to […]

Training Data Location and Formats As you embark on the journey of setting up your AWS SageMaker training job, understanding the diverse data storage and reading options is crucial. To ensure a seamless training experience, delve into the supported options and their benefits. First you will look at the supported data storage options: Here are […]

Hub-and-Spoke VPC Architectures The hub-and-spoke design is the most common topology used to connect multiple remote locations to one or more central locations such as a corporate data center, a third-party company, or a cloud provider over a wide-area network. Figure 8.7 shows a VPC hub-and-spoke architecture. The spoke locations all connect to the hub, and […]

Hierarchy management This is a relatively simple conceptwhereby the hierarchy of various data records and elements is represented. For example, you may break company geographies or markets into EMEA (Europe, Middle East, and Africa), then by country. You may have account hierarchies represented as group accounts, then regional accounts, followed by local office accounts. Now […]

TCP/IP Application Layer TCP/IP application layer protocols provide services to the application software running on a computer. The application layer does not define the application itself, but it defines services that applications need. For example, application protocol HTTP defines how web browsers can pull the contents of a web page from a web server. In […]

Step 4: Go to Setup ➤ Object Manager tab ➤ Lead ➤ Triggers, and click the “New” button. trigger FieldChangeTracking on Lead (after update) { String fieldToTrack = ‘Rating’; Lead oldLead = Trigger.old[i]; Object_Id__c = newLead.Id, Field_Name__c = fieldToTrack, Old_Value__c = String.valueOf(oldLead.get(fieldToTrack)), New_Value__c = String.valueOf(newLead.get(fieldToTrack)) ); } } insert historyRecords; } } In this example: […]

This chapter covers the following official AWS Certified SysOps Administrator – Associate (SOA-C02) exam domains: Domain 5: Networking and Content Delivery (For more information on the official AWS Certified SysOps Administrator – Associate [SOA-C02] exam topics, see the Introduction.) VPC Flow Logs This section covers the following objective of Domain 5 (Networking and Content Delivery) […]

Trigger.size The Trigger.size variable in Apex triggers is used to determine the total number of records in a trigger invocation, including both old and new records. It provides the count of records that caused the trigger to fire. Here are a few reasons why Trigger.size is commonly used in Apex triggers: •\ Bulk Processing: Apex […]

Multi-account VPC Sharing VPCs can be shared between accounts and organizations by sharing management with AWS organizations and the Resource Access Manager. In this section, you will learn about how to accomplish sharing services in a VPC between accounts using the AWS PrivateLink service. PrivateLink In Chapter 7, “Connecting On-Premises Networks,” you learned that the […]