Numeric Promotion Now that you understand the basics of arithmetic operators, it is vital to talk about prim-itive numeric promotion, as Java may do things that seem unusual to you at first. As we showed in Chapter 1, “Building Blocks,” each primitive numeric type has a bit-­length. You don’t need to know the exact size […]

First, you must select the type of group you are creating. You have two options: Security and Microsoft 365. Security groups allow you to share Azure resources access to a group of users, devices, or service principals. A Microsoft 365 group allows access to a shared mailbox, cal- endar, SharePoint site, and so on. Note […]

Expanding AWS Networking Connectivity AWS offers services that allow you to manage access into your cloud resources from outside accounts and authentication services. In this section, you will learn about AWS Organizations, which allows you to combine management and administration of multiple AWS accounts under a single administrative domain. You will also review the Resource […]

Skill 1.1: Manage Microsoft Entra users and groups In a Microsoft Entra tenant, there are users, groups, and devices that are controlled through the features of Entra discussed in this section. This section focuses on managing users and groups throughout their lifecycles, how to manage device settings, how to perform bulk updates to users using automation tooling such as PowerShell, and how […]

9.1  How to Write Test Cases Unit tests in Apex are written using the Apex testing framework, which provides a set of classes and methods specifically designed for testing Apex code. These tests are typically written by developers to validate the functionality of their code and ensure that it meets the desired requirements. In Salesforce, […]

Microsoft has long been a leader in the identity space. This leadership goes back to the intro- duction of Active Directory (AD) with Windows 2000 before the cloud even existed. Microsoft moved into cloud identity with the introduction of Azure Active Directory (Azure AD), now Microsoft Entra ID, which is used by more than 5 […]

Important note To remember this easily, you can think of t for Tiny, m for Medium, c for Compute, and p and g for GPU. The CPU-related family instance types are t, m, r, and c. The GPU-related family instance types are p and g. Choosing the right instance type for a training job There […]

Adding Parentheses You might have noticed we said “Unless overridden with parentheses” prior to presenting Table 2.1 on operator precedence. That’s because you can change the order of operation explicitly by wrapping parentheses around the sections you want evaluated first. Changing the Order of Operation Let’s return to the previous price example. The following code […]

Note The Outbound rules tab shows exactly the same fields as the Inbound rules tab. However, the rules affect the traffic going out of the resource rather than coming into the resource associated with the security group. Table 10.1 presents a quick comparison between how NACLs and security groups operate: Security Method Operates At Rule Types State […]

HTTP Status Codes from an Origin When a cache miss occurs, the content must be retrieved from the origin. To the origin, this appears as a web request. The origin may return an HTTP error code (4xx or 5xx status codes). You can monitor, alarm, and receive notifications that include these HTTP response codes. CloudFront […]