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Adobe AD0-E134 Exam Syllabus Topics:
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NEW QUESTION # 12
SPA components are connected to AEM components via the MapTo() method.
Which code should be used to correctly connect an SPA component called ItemList to its AEM equivalent?
- A. MapToCproject/cornponents/content/itemList^ltemListJtemListEditConfig);
- B. MapTo(ltemList)('project/components/content/itemList,,ltemListEditConfig);
- C. ('project/components/content/itemList,).MapTo(ltemList,ltemListEditConfig);
- D. ItemList.MapToCproject/components/content/itemList1);
Answer: D
Explanation:
Explanation
The MapTo() method is used to map a SPA component to an AEM component by specifying the sling:resourceType of the AEM component as an argument. The MapTo() method should be called on the SPA component and not on a string. The second argument of the MapTo() method is optional and can be used to provide an edit configuration for the SPA component.
NEW QUESTION # 13
An AEM development team is working on a new multi-country application using AEM as a Cloud Service. A developer has been assigned the task for building the integration with a third-party web service. A secret key is needed to connect with this web service. The website creators will provide this key. The key is different for each type of environment (dev, stage and production) What is the recommended way to make the secret key available in the AEM application?
- A. Use an environment variable which is then consumed by an OSGi configuration
- B. Read the key value from a property file stored in the code base
- C. Read the key value from OSGi configuration stored in run nNdes
- D. Use a context aware configuration
Answer: A
Explanation:
Explanation
The recommended way to make the secret key available in the AEM application is to use an environment variable which is then consumed by an OSGi configuration. This way, the secret key is not stored in the code base or in the repository, but rather in a secure and encrypted way in the Cloud Manager environment variables. The OSGi configuration can use a placeholder to reference the environment variable and inject its value at runtime. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/deploying/configurin
NEW QUESTION # 14
An AEM application wants to set up multi-tenancy using Adobe-recommended best practices and bind multiple configurations to it. Which of the following options is recommended?
- A. import org.osgi.service.component.annotations.Component; @Component(service = ConfigurationFactory.class)
- B. import org.osgi.service.metatype.annotations.AttributeDefinition;
import org.osgi.service.metatype.annotations.ObjectClassDefinition;
@ObjectClassDefinition(name = "My configuration") - C. import org.apache.felix.scr.annotations.Component; @Component(label = "My configuration", metatype = true, factory= true)
- D. @Component(service = ConfigurationFactory.class)
@Designate(ocd = ConfigurationFactorylmpl.Config.class, factory=true)
Answer: D
Explanation:
Explanation
The @Component(service = ConfigurationFactory.class) @Designate(ocd =
ConfigurationFactorylmpl.Config.class,factory=true) option is recommended for creating a multi-tenancy configuration and binding multiple configurations to it. This option uses the OSGi R6 annotations to define a component that provides a service of type ConfigurationFactory and designates a class that contains the configuration properties. The factory=true attribute indicates that multiple configurations can be created for this component.
References:https://experienceleague.adobe.com/docs/experience-manager-65/deploying/configuring/osgi-configu
NEW QUESTION # 15
A developer has to create a Logger and Writer pair for the company's application logging. Which OSGi configurations should the developer use?
- A. Apache Sling Request Logger and Apache Sling Logging Writer Configuration
- B. Apache Sling Logging Logger Configuration and Apache Sling Logging Configuration
- C. Apache Sling Logging Logger Configuration and Apache Sling Logging Writer Configuration
Answer: C
Explanation:
Explanation
The Apache Sling Logging Logger Configuration and Apache Sling Logging Writer Configuration are the OSGi configurations that the developer should use to create a Logger and Writer pair for the company's application logging. The Logger Configuration defines the log level and the log file name for a given logger name or category. The Writer Configuration defines the file size, number of files, and file location for a given log file name.
References:https://experienceleague.adobe.com/docs/experience-manager-65/deploying/configuring/configure-lo
NEW QUESTION # 16
An AEM Developer receives requirements for Sling Models in a human-readable yaml format. A custom application needs to be built. The dependency is as shown:
- A. 1. Create OSGI models to export as yaml
2. Configure mime type in Apache Sling MIME Type Service - B. 1. Create Sling models to export as yaml
2. Configure mime type in Apache Sling MIME Type Service - C. 1. Create OSGI models to export as yaml
2. Configure mime type in Apache Sling Servlet/Script Resolver and Error Handler - D. 1. Create Sling models to export as yaml
2. Configure mime type in Apache Sling Referrer Filter
Answer: B
Explanation:
Explanation
To create Sling Models that can export data in a human-readable yaml format, the following steps are required:
* Create Sling models to export as yaml. Sling models are Java classes that can be used to represent resources in AEM. Sling models can use annotations to define how they can be adapted from a resource and how they can export data in different formats. To export data in yaml format, the Sling model class needs to use the @Model annotation with the resourceType parameter set to the resource type of the resource that the model represents. The Sling model class also needs to implement the org.apache.sling.models.annotations.Exporter annotation with the name parameter set to "jackson" and the extensions parameter set to "yaml". The Sling model class also needs to use the @JsonProperty annotation on the fields or methods that need to be exported in yaml format.
* Configure mime type in Apache Sling MIME Type Service. The Apache Sling MIME Type Service is an OSGi service that maps file extensions to MIME types and vice versa. To enable the yaml format for Sling models, the MIME Type Service needs to be configured with a new entry for the yaml extension and its corresponding MIME type, which is "application/x-yaml". This can be done by creating an OSGi configuration for the org.apache.sling.commons.mime.internal.MimeTypeServiceImpl service and adding the entry "yaml=application/x-yaml" to the mime.types property. References:
https://sling.apache.org/documentation/bundles/models.html
https://sling.apache.org/documentation/bundles/mime-type-support-commons-mime.html
NEW QUESTION # 17
The OSGi configuration is added to a runmode specific configuration "config.author.staging" in AEM as a Cloud Service. The application fails to read the configuration.
What is a possible cause of this issue?
- A. Only <service> specific OSGi configuration runmodes like "config.author" or "config.publish" are supported in AEM as a Cloud service.
- B. The custom OSGi configuration runmode used (i.e., "config.author.staging") is not supported in AEM as a Cloud service.
- C. AEM as a Cloud service does not support OSGi configuration runmodes.
- D. OSGi configuration runmodes cannot be installed automatically on AEM as a Cloud Service. We need to install them as a package using the Package manager.
Answer: A
Explanation:
Explanation
AEM as a Cloud Service does not support custom OSGi configuration runmodes, such as
"config.author.staging". Only <service> specific OSGi configuration runmodes, such as "config.author" or
"config.publish", are supported. These runmodes are used to apply configurations to specific services, such as author or publish. The <service> specific runmodes can be combined with environment variables to achieve different configurations for different environments. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/deploying/configurin
NEW QUESTION # 18
An AEM server is overloaded with too many concurrently running workflows. The developer decides to reduce the number of concurrent workflows.
What should be configured to reduce the number of concurrent workflows?
- A. The number of threads in Scheduler
- B. Maximum Parallel Jobs in OSGI console
- C. The number of threads in Apache Felix Jetty Http Service
- D. Launchers for each workflow
Answer: B
Explanation:
Explanation
Maximum Parallel Jobs is a configuration property that controls how many workflows can run concurrently on an AEM instance. Reducing this value can help to avoid overloading the server with too many workflows.
NEW QUESTION # 19
A developer needs to create a runmode-specific OSGi configuration for an AEM as a Cloud Service implementation. In which location should the OSGi configuration be created?
- A. ui.config project, (/config/.../config.<runmode>) folder
- B. all project, (/all/.../config.<runmode>) folder
- C. ui.apps project (/apps/.../config.<runmode>) folder
- D. core project, (/core/.../config <runmode>) folder
Answer: A
Explanation:
Explanation
The ui.config project, (/config/.../config.<runmode>) folder is the location where the OSGi configuration should be created for a runmode-specific configuration for an AEM as a Cloud Service implementation. The ui.config project contains OSGi configurations that are deployed to /apps in the repository. The config.<runmode> folder specifies the runmode for which the configuration is applicable, such as author or publish.
References:https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/deploying
NEW QUESTION # 20
The following anchor tag is not resolving:
<a href="item.path" >{item.name}</a>
Upon further inspection the developer notices that the link has no .html appended to the end of the URL What could be a potential fix for the issue?
- A.
- B.
- C.
- D.
Answer: D
Explanation:
Explanation
Option B is a potential fix for the issue. Option B uses the data-sly-attribute block statement to add the href attribute to the anchor tag. The data-sly-attribute statement uses an expression to append ".html" to the item.path value. This way, the link will have the correct extension and will resolve to the corresponding page.
References:https://experienceleague.adobe.com/docs/experience-manager-htl/using-htl/htl-block-statements.htm
NEW QUESTION # 21
What is the recommended path to override /libs standard functionality?
- A. /Iibs
- B. /content
- C. /apps
- D. /conf
Answer: C
Explanation:
Explanation
The recommended path to override /libs standard functionality is /apps. The /apps folder contains application-specific code and configuration that can extend or override the default functionality provided by
/libs. The /apps folder has precedence over the /libs folder, meaning that if there are two resources with the same path under both folders, the one under /apps will be used. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/developing/aem-proje
NEW QUESTION # 22
A developer needs to create a new Title component. The requirements are:
1. The layout must be the same as the Title core component
2. The text property must have the page title as prefix (e.g., Page Title - <component text>)
3. The component must be reusable
Which approach is recommended?
- A. 1. Create a Proxy Component from Title core component
2. Create a Custom Sling Model that overrides the default behavior - B. 1. Create a Proxy Component of Title core component
2. Create a Custom Sling Model that overrides the default behavior
3. Customize the component template
B, 1. Create a custom component from scratch
2. Create a Custom Sling Model for the component that follows the requirement
3. Create a Model Exporter
Answer: B
Explanation:
Explanation
A proxy component is a site-specific component that inherits from a core component and allows customization of the component name, group, dialog, and behavior. A proxy component can refer to any version of the core component by changing the sling:resourceSuperType property. A custom sling model can be used to implement the logic for adding the page title as prefix to the text property. A component template can be used to define the layout of the component.
NEW QUESTION # 23
Which configuration/section should be used to resolve the domain name by dispatcher?
- A. Configuration in filters.any
- B. Configuration in DNS
- C. Configuration in vhosts file
- D. Configuration in httpd.conf
Answer: B
Explanation:
Explanation
The configuration in DNS (Domain Name System) should be used to resolve the domain name by dispatcher.
The DNS resolves the domain names to the IP address of the web server that hosts the dispatcher. The dispatcher then matches the incoming request URL with the cached files or the AEM publish instances.
References:https://experienceleague.adobe.com/docs/experience-manager-dispatcher/using/configuring/dispatche
NEW QUESTION # 24
In an AEM as a Cloud Service environment, which repository areas are considered as immutable?
- A. /apps and /libs
- B. /content and /etc
- C. /apps and /content
- D. /content and /libs
Answer: A
Explanation:
Explanation
In AEM as a Cloud Service environment, the repository areas /apps and /libs are considered as immutable, meaning that they cannot be modified at runtime by any means. These areas contain application code and configuration that are deployed via Cloud Manager and are read-only for security and performance reasons.
Any changes to these areas require a new deployment via Cloud Manager. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/deploying/overview.h
NEW QUESTION # 25
A custom component has one dialog field:
The developer needs to implement a Sling Model to perform a business logic on the authored value. The developer writes the following HTL snippet.
Which two implementations will support this HTL snippet? (Choose two.)
- A.
- B.
- C.
- D.
Answer: C,D
Explanation:
Explanation
Option B and Option D are two implementations that will support the HTL snippet. Option B uses the
@Model annotation with the adaptables parameter set to Resource.class. This allows the Sling Model to adapt from a resource object and access its properties using the ValueMap interface. Option B also uses the @Inject annotation with the name parameter set to "./text" to inject the value of the text property into the text field.
Option D uses the @Model annotation with the defaultInjectionStrategy parameter set to OPTIONAL. This allows the Sling Model to use optional injection for all fields and avoid null pointer exceptions if a property is missing. Option D also uses the @Inject annotation without any parameters to inject the value of the text property into the text field, using the field name as the default property name. References:
https://sling.apache.org/documentation/bundles/models.htmlhttps://experienceleague.adobe.com/docs/experience
NEW QUESTION # 26
A developer is on an AEM application that is being used to calculate an employee's salary. The calculation is done in an OSGi service called CalculationService. This service class has a dependency on one other service, called the EmployeeService.
How should the developer make sure that the critical code in the CalculationService has a high unit test coverage?
- A. Use the feature flag in the unit test to disable the calls to the EmployeeService
- B. Instantiate the EmployeeService in the unit test and pass it to the constructor of the CalculationService
- C. Use a mock framework in the unit test to inject the CalculationService
- D. Use a mock framework in the unit test to inject the EmployeeService
Answer: D
Explanation:
Explanation
A mock framework is a tool that allows creating mock objects that simulate the behavior of real objects in a controlled way. A mock framework can be used in a unit test to inject the EmployeeService dependency into the CalculationService and verify its interactions. This way, the unit test can focus on testing the logic of the CalculationService without relying on the actual implementation of the EmployeeService. References:
https://sling.apache.org/documentation/development/sling-testing-tools.htmlhttps://wcm.io/testing/aem-mock/usa
NEW QUESTION # 27
Which property under /cache on dispatcher.any file identifies the directory where cached files are stored?
- A. /statfile
- B. /invalidate
- C. /docroot
- D. /cacheroot
Answer: D
Explanation:
Explanation
The /cacheroot property under /cache in the dispatcher.any file identifies the directory where cached files are stored. It is a relative or absolute path to the cache root directory. The dispatcher creates a subdirectory for each virtual host under this directory and stores thecached files there.
References:https://experienceleague.adobe.com/docs/experience-manager-dispatcher/using/configuring/dispatche
NEW QUESTION # 28
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