A developer is creating a custom method. This method must return a String property y from child x. the method must use only Sling APIs.

How should the developer retrieve property y of node x, and node x may or may NOT exist?

A. Option A

B. Option B

C. Option C

D. Option D

A developer creates an AEM editable template that includes a Layout Container. When the developer creates a page using this template, the Layout Container placeholder does NOT appear.

What is causing this issue?

A. The Layout Container does NOT have a policy.

B. The page template has NOT been enabled.

C. The page template has NOT been published.

D. The Layout Container has NOT been unlocked.

The developer is presented with a component "Component A" which inherits from a component

"Component B".

The dialog of Component A on path ../cq:dialog/../../items looks like:

The dialog of Component B on path ../cq:dialog/../../items looks like:

The requirement for the dialog is that the "Align text" field is shown after the "Title" field.

What should the developer do without changing Component B?

A. Move the align node from Component A to Component B and order them according the requirements.

B. Extend Component B with the functionality of Component A.

C. Add the property sling:orderBefore="description" to the align node.

D. Move all nodes under the item node from Component B to Component A and order them according the requirements.

A custom AEM application contains a service component that needs to access the JCR repository within the activate method. The activate method uses ResourceResolverFactory.getServiceResourceResolver (...) without specifying a sub service name. What should a developer do to make sure the user service mapping for the service component is available?

A. Create a field of type ServiceUserMapped and annotate it with @Reference.

B. Wait for the service ServiceUserMapper via BundleContext.getServiceReference(...).

C. Create a field of type ServiceUserMapped and annotate it with @Reference using ReferencePolicy.DYNAMIC.

D. Create a field of type ServiceUserMapper and annotate it with @Reference using ReferencePolicy.STATIC.

A developer creates two custom classes. ClassA has the following code: The developer creates a custom log custom.log with debug level in OSGi sling log support for the Java package com.aem.abc. The developer adds another class ClassB with the following code:

Which action must the developer take to see the log message in the same file from both classes?

A. Create separate a log file in the OSGi web console -->Sling --> Log Support for logger com.aem.xyz.

B. Configure custom.log in the OSGi web console --> Sling --> Log Support and replace com.aem.xyz with com.aem.abc.

C. Configure custom.log in the OSGi web console --> Sling --> Log Support and replace logger com.aem.abc with com.aem.

D. Configure custom.log in the OSGi web console --> Sling --> Log Support and replace the package com.aem.abc with com.aem.xyz.