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  1. Home
  2. Adobe Certification
  3. AD0-E123 Exam
  4. Adobe.AD0-E123.v2024-08-31.q18 Dumps
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Question 1

Which datastore is useful when the datastore is on Network File System (NFS}?

Correct Answer: C
When using a Network File System (NFS) for AEM,CachingFileDataStoreis recommended because it caches binary data on the file system and stores only references to the binaries in the repository. This can be beneficial for performance, as it reduces the latency associated with reading binaries over the network, especially when NFS is being used. The caching layer helps in optimizing read operations by keeping a local cache of frequently accessed data.
S3DataStoreis used when integrating with Amazon S3 for storage.
FileDataStoredoes not provide caching capabilities and would not be as efficient as CachingFileDataStorewhen using NFS.
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Question 2

A developer wants to overwrite an OSGi configuration via the codebase.
Which one of the Maven modules is the place to create this configuration on the codebase?

Correct Answer: B
In AEM, OSGi configurations are typically managed within theui.appsMaven module. This module is responsible for the application code that comprises the components, templates, and OSGi configurations among other things. By placing OSGi configurations within theui.appsmodule, a developer can ensure that these configurations are deployed to the JCR repository and become part of the application package.
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Question 3

A developer needs to extend a complete dialog from the core component, except for one tab.
Which property can be used to achieve this goal?

Correct Answer: C
In AEM, when you need to extend a dialog from a core component but want to hide or exclude one tab or part of the dialog, you can use thesling:hideResourceproperty. This property allows you to selectively hide resources (like a tab in a dialog) inherited from a super type (the core component) in your overlay or custom component.
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Question 4

An AEM sites developer is working on the development of a 'Hello World' component and wants to facilitate the mapping of data from the JCR to Java variables.
Which feature should the developer use to provide this facilitation?

Correct Answer: C
Sling Models is an AEM feature that allows developers to map JCR data to Java objects. It is a part of the Sling framework, which AEM is built on top of. Sling Models facilitate the decoupling of content from the rendering layer, making it easier to work with data in AEM components. By defining simple POJOs (Plain Old Java Objects) with annotations, developers can map properties from the JCR (Java Content Repository) to fields in a Java class, enabling a straightforward and type-safe way to handle the content. This is especially useful when creating components such as 'Hello World', where dynamic data needs to be fetched from the JCR and rendered on the page.
HTL and Dialogs (Option A) are used for rendering components and creating editable fields in the component dialogs, respectively, but do not facilitate data mapping to Java variables.
Client-Side Libraries (Option B) are used to manage client-side resources like JavaScript and CSS but are not involved in JCR to Java variable mapping.
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Question 5

A front-end developer working on an AEM SPA project cannot see the property that should be exposed in the JSON of the new component added to the homepage.
Which option would give information if the required property is exposed by the Sling Model?

Correct Answer: A
In an AEM Single Page Application (SPA) project, the.model.jsonendpoint is used to expose the properties of a Sling Model as JSON. This is useful for SPAs that need to access component properties dynamically. The front-end developer should check the URL[homepage-path]/model.jsonto see the JSON output of the Sling Model for the new component. This endpoint provides a tree of the page content as JSON, which includes the Sling Model's exported properties for components included on the page.
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