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Adobe AD0-E134 Exam Syllabus Topics:
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NEW QUESTION # 14
A customer adds third-party client libraries to add some features in an existing AEM application, which will significantly reduce performance.
How should the developer optimize the site?
- A. Rebuild Client libraries.
- B. Embed client libraries to consolidate them into fewer files.
- C. Debug third-party client lib and fix the code.
Answer: B
Explanation:
Explanation
Embedding client libraries is a technique that allows combining code from multiple client libraries into a single file. This reduces the number of network requests and improves performance. Embedding client libraries can be done by using the embed property of the cq:ClientLibraryFolder node and specifying the categories of the client libraries to be embedded. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/content/implementing/developing/fu
NEW QUESTION # 15
Which tool should a developer use to look up Adobe Identity Management System (IMS) users by email and return their IMS IDs?
- A. IMS Lookup Tool
- B. Developer Console
- C. User Mapping Tool
- D. Cloud Acceleration
Answer: A
Explanation:
Explanation
The IMS Lookup Tool is a tool that allows looking up Adobe Identity Management System (IMS) users by email and returning their IMS IDs. The IMS Lookup Tool is available in the Cloud Manager UI under the Tools menu. The IMS Lookup Tool can be used to find the IMS IDs of users who need to be added to Cloud Manager programs or environments. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/using-cloud-manager
NEW QUESTION # 16
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.apache.felix.scr.annotations.Component; @Component(label = "My configuration", metatype = true, factory= true)
- B. import org.osgi.service.component.annotations.Component; @Component(service = ConfigurationFactory.class)
- C. @Component(service = ConfigurationFactory.class)
@Designate(ocd = ConfigurationFactorylmpl.Config.class, factory=true) - D. import org.osgi.service.metatype.annotations.AttributeDefinition;
import org.osgi.service.metatype.annotations.ObjectClassDefinition;
@ObjectClassDefinition(name = "My configuration")
Answer: C
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 # 17
A development team is starting a new AEM project that is going to integrate with the Adobe Commerce platform. The developer needs to create a new AEM project using the Maven command line interface.
How can the 'mvn -B archetype:generate' command help the developer with the integration between AEM and Adobe Commerce?
- A. Using the property ,aemVersion=cloudl automatically provides a report with integration guidelines.
- B. Using the property 'commerceModule=AdobeCommerce' can provide a path to an external jar that integrates between the platforms.
- C. Using the property 'includeCommerce=y'1 the command will generate specific Commerce Core Components.
Answer: C
Explanation:
Explanation
The includeCommerce property is a boolean flag that indicates whether to include Commerce Core Components in the project or not. If set to y, the command will generate a commerce module that contains specific Commerce Core Components and their dependencies. These components can be used to integrate AEM with Adobe Commerce platform or other commerce solutions. References:
https://experienceleague.adobe.com/docs/experience-manager-core-components/using/developing/archetype/usin
NEW QUESTION # 18
Which Maven plugin checks if all the requirements declarations made in OSGi bundles are satisfied by the capabilities declarations of other bundles included in the Maven project?
- A. maven-enforcer-plugin
- B. content-package-maven-plugin
- C. aemanalyser-maven-plugin
- D. femaven-assembly-plugin
Answer: C
Explanation:
Explanation
The aemanalyser-maven-plugin is a Maven plugin that checks if all the requirements declarations made in OSGi bundles are satisfied by the capabilities declarations of other bundles included in the Maven project.
This plugin ensures that the OSGi bundles are consistent and can be resolved at runtime. The plugin also checks for other issues such as API compatibility, package versioning, and bundle start order. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/developing/aem-proje
NEW QUESTION # 19
Which option should be used to synchronize user data across publish servers in a publish farm?
- A. Replication Agents
- B. Sling Content Distribution
- C. Vault plugin
- D. CURL
Answer: B
Explanation:
Explanation
Sling Content Distribution is a feature that allows synchronizing user data across publish servers in a publish farm. Sling Content Distribution uses agents to distribute content from one instance to another using a publish-publish topology. Sling Content Distribution can be configured to synchronize user data under
/home/users and /home/groups paths, as well as their ACLs. References:
https://experienceleague.adobe.com/docs/experience-manager-65/administering/security/sync.html?lang=enhttps
NEW QUESTION # 20
In a non-optimized website, the final HTML generated for a typical page by publish instance includes a relatively large number of <script> elements that refer to other script files loaded from AEM environment. The developer wants to minimize these network calls by combining all required client library code into a single file to reduce the number of back-and-forth requests on page load.
Which step should a developer take to solve this issue?
- A. Embed the required libraries into an app-specific client library using the embed property of the cq:ClientLibraryFolder node
- B. Embed the required libraries into an app-specific client library using the dependencies property of the cq:Clientl_ibraryFolder node
- C. Embed the required libraries into an app-specific client library using the allowProxy property of the cq:Clientl_ibraryFolder node
- D. Add the categories property of the cq:Clientl_ibraryFolder node into an app-specific client library folder
Answer: B
Explanation:
Explanation
The embed property of the cq:ClientLibraryFolder node allows embedding code from a client library into another client library. At runtime, the generated JS and CSS files of the embedding library include the code of the embedded library. This reduces the number of network calls and improves performance. Embedding code is useful for providing access to libraries that arestored in secured areas of the repository. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/content/implementing/developing/fu
NEW QUESTION # 21
What is Out of Scope for the Pattern Detector tool, while doing an AEM upgrade?
- A. rep:User nodes compatibility (in context of OAuth configuration)
- B. Backward Compatibility with the previous AEM Version
- C. Definitions of Oak indices for compatibility
- D. OSGi bundles exports and imports mismatch
Answer: B
Explanation:
Explanation
Backward Compatibility with the previous AEM Version is out of scope for the Pattern Detector tool, while doing an AEM upgrade. The Pattern Detector tool is a tool that scans an existing AEM code base and identifies patterns that are incompatible with AEM as a Cloud Service or newer versions of AEM on-premise.
The tool does not check for backward compatibility with older versions of AEM, as this is not a requirement for upgrading. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/moving/cloud-migration/pattern-det
NEW QUESTION # 22
An application development team needs to create a multi-channel application that uses AEM as a headless CMS Which feature should be used to maintain structured data for this application?
- A. Content fragment
- B. Static template
- C. Custom component
- D. Experience fragment
Answer: A
Explanation:
Explanation
A content fragment is a reusable piece of content that can be authored and managed independently from a page. Content fragments are based on structured data models that define the elements and data types of the content. Content fragments can be delivered as JSON using various APIs, such as Assets HTTP API, Content Fragments REST API, or Content Fragments GraphQL API. Content fragments are suitable for creating multi-channel applications that use AEM as a headless CMS. References:
https://experienceleague.adobe.com/docs/experience-manager-learn/foundation/headless/introduction-to-headles
NEW QUESTION # 23
Which configuration must be applied to enable re-fetching of cached items based on Cache Headers sent by AEM?
- A. /autolnvalidate "1"
- B. /enableTTL "1"
- C. /enableTTLtrue
- D. /autolnvalidate true
Answer: B
Explanation:
Explanation
The /enableTTL "1" configuration must be applied to enable re-fetching of cached items based on Cache Headers sent by AEM. This configuration enables the Time To Live (TTL) feature of dispatcher, which allows dispatcher to check the Cache-Control and Expires headers of the cached files and re-fetch them from AEM if they are expired.
References:https://experienceleague.adobe.com/docs/experience-manager-dispatcher/using/configuring/page-inv
NEW QUESTION # 24
An AEM application development team is assigned a task to create an Event-Driven Data Layer implementation for an Analytics solution.
Which Adobe recommended best practice should the developer choose?
- A. Create an Adobe Cloud Service configuration to use third-party tool's data layer.
- B. Use Adobe Experience Platform's data layer to integrate with AEM.
- C. Use Adobe Client Data Layer and integrate with Core components.
- D. Create a custom data layer and add each component template, and its properties to the data layer
Answer: C
Explanation:
Explanation
Adobe Client Data Layer is a JavaScript library that provides a standardized way to collect, structure, and manage data on a web page. It can be used to implement an event-driven data layer for analytics solutions. It integrates with Core components and allows authors to configure data layer properties for each component. It also supports custom events and data sources. References:
https://experienceleague.adobe.com/docs/experience-manager-core-components/using/developing/data-layer.htm
NEW QUESTION # 25
A customer who is running an AEM application on premise reports that the application is slowing down over time and even crashes The issues seem to start occurring after a new production deployment. The AEM developer knows that the described symptoms could be caused by a memory leak.
Which two steps should be taken after confirming the problem is related to a memory issue? (Choose two.)
- A. Open the error log and look for messages with 'OutOfMemoryError'
- B. Create a thread dump for analysis
- C. Analyze the request log and make sure the number of requests are below the expected threshold
- D. Create a heap dump for analysis
- E. Increase the cache ratio of the application
Answer: B,D
Explanation:
Explanation
Creating a heap dump and a thread dump are two steps that should be taken after confirming the problem is related to a memory issue. A heap dump is a snapshot of the memory usage of the Java Virtual Machine (JVM) at a given point in time. A heap dump can be used to identify memory leaks, memory consumption patterns, and objects that occupy large amounts of memory. A thread dump is a snapshot of the state of all threads that are part of the JVM process. A thread dump can be used to identify deadlocks, blocked threads, and CPU-intensive threads. References:
https://experienceleague.adobe.com/docs/experience-manager-65/deploying/configuring/memory-analysis.html?
NEW QUESTION # 26
An AEM as a Cloud Service implementation customer wants content to be replicated as soon as the On Time and Off Times are reached.
What must the developer configure?
- A. Enable On Time or Off Time via Page Properties
- B. Enable Auto Replicate via On Off Trigger Configuration
- C. Configure the Publish content tree via Workflow Models
Answer: B
Explanation:
Explanation
The Auto Replicate via On Off Trigger Configuration is a feature that allows content to be replicated as soon as the On Time and Off Times are reached. This feature can be enabled by creating an OSGi configuration for the com.day.cq.wcm.core.impl.servlets.OnOffTimeServlet service. This service listens for changes in the On Time and Off Time properties of pages andtriggers replication accordingly. References:
https://experienceleague.adobe.com/docs/experience-manager-65/deploying/configuring/replication.html?lang=e
NEW QUESTION # 27
Which environment-specific configuration is used in AEM as a Cloud Service to store private API keys?
- A. $[secret:SECRET_VAR_NAME]
- B. $[env:ENV_VAR_NAME]
- C. $[env:SECRET_VAR_NAME]
- D. $[secret:ENV_VAR_NAME]
Answer: A
Explanation:
Explanation
This syntax allows the developer to reference a secret variable that is stored in the Cloud Manager UI under Environment Details > Variables. The secret variable name must start with a lowercase letter and can contain alphanumeric characters and underscores. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/deploying/configurin
NEW QUESTION # 28
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: B,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 # 29
A developer needs to create a dynamic participant step where the participant is selected automatically at run time.
The developer decides to develop an OSGi service, which needs to implement the com.day.cq.workflow.exec.ParticipantStepChooser interface.
Which method should the developer implement from the com.day.cq.workflow.exec.ParticipantStepChooser interface?
- A. String getDynamicParticipant(Workltem workltem, WorkflowSession workflowSession, MetaDataMap metaDataMap)
- B. void getDynamicParticipant(Workltem workltem, WorkflowSession workflowSession, MetaDataMap metaDataMap)
- C. String getParticipant(Workltem workltem, WorkflowSession workflowSession, MetaDataMap metaDataMap)
- D. void getParticipant(Workltem workltem, WorkflowSession workflowSession, MetaDataMap metaDataMap)
Answer: A
Explanation:
Explanation
The com.day.cq.workflow.exec.ParticipantStepChooser interface is intended for implementations that will define the participant dynamically. This interface replaces the deprecated com.day.cq.workflow.exec.ParticipantChooser interface. The method getDynamicParticipant returns the dynamically resolved Principal id based on the work item, workflow session and metadata map parameters.
References:https://developer.adobe.com/experience-manager/reference-materials/cloud-service/javadoc/com/day
NEW QUESTION # 30
On package install content that is already present in the repos must not be overwritten and if not present in the repos it must not be removed.
Which import mode should the developer use?
- A. replace
- B. update
- C. merge
Answer: B
Explanation:
Explanation
The merge import mode is used to import content that is already present in the repository without overwriting it and without removing content that is not present in the package. This mode preserves existing content properties and nodes while adding new ones from the package. This mode is useful for incremental updates or initial content seeding. References:
https://jackrabbit.apache.org/filevault/vaultfs.html#Import_Modeshttps://experienceleague.adobe.com/docs/expe
NEW QUESTION # 31
Which type of Cloud Manager tests are enabled for all Cloud Manager production pipelines and cannot be skipped?
- A. Ul Testing
- B. Experience Audit Testing
- C. Code Quality Testing
- D. Functional Testing
Answer: C
Explanation:
Explanation
Code Quality Testing is a type of Cloud Manager tests that are enabled for all Cloud Manager production pipelines and cannot be skipped. Code Quality Testing checks the code quality of the project using SonarQube and reports any issues or vulnerabilities. Code Quality Testing can fail the pipeline if the code quality does not meet the minimum standards defined by Adobe. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/testing/testing-overvi
NEW QUESTION # 32
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 a mock framework in the unit test to inject the CalculationService
- B. Use the feature flag in the unit test to disable the calls to the EmployeeService
- C. Use a mock framework in the unit test to inject the EmployeeService
- D. Instantiate the EmployeeService in the unit test and pass it to the constructor of the CalculationService
Answer: C
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 # 33
Which AEM as a Cloud Service role can configure or run pipelines?
- A. Program Manager
- B. DevOps
- C. Developer
- D. Deployment Manager
Answer: D
Explanation:
Explanation
The Deployment Manager is a role that can configure or run pipelines in Cloud Manager. The Deployment Manager can create and edit programs and environments, configure pipelines, start and cancel pipeline executions, and approve or reject deployments to production. The Deployment Manager role requires an IMS ID that is associated with the Adobe Experience Cloud product profile. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/implementing/using-cloud-manager
NEW QUESTION # 34
Refer to the exhibit.
The current page has three children.
What is the final rendered html output for the code snippet?
- A.
- B.
- C.
Answer: A
Explanation:
Explanation
Option B is the final rendered html output for the code snippet. The code snippet uses the data-sly-list block statement to iterate over the child pages of the current page. The data-sly-list statement assigns each child page to a variable named page and provides an index variable named i. The code snippet then uses the data-sly-test block statement to check if the index is odd or even and applies a different CSS class accordingly. The code snippet also uses the data-sly-element block statement to create an HTML element with the name specified by the elementName variable. The code snippet also uses the data-sly-attribute block statement to add an attribute with the name specified by the attrName variable and the value specified by the attrValue variable. The code snippet also uses the data-sly-resource block statement to include a resource with the path specified by the page.path variable and the resourceType specified by the resourceType variable.
References:https://experienceleague.adobe.com/docs/experience-manager-htl/using-htl/htl-block-statements.htm
NEW QUESTION # 35
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