2024 AD0-E134 Dumps PDF - AD0-E134 Real Exam Questions Answers
Valid AD0-E134 Test Answers & Adobe AD0-E134 Exam PDF
Adobe AD0-E134 Exam Syllabus Topics:
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NEW QUESTION # 20
AMS recommends a learn to upgrade AEM servers with In-place Upgrade because the existing version has reached EOL What are two disadvantages of performing an In-place Upgrade to the latest version of AEM? (Select two.)
- A. Complex developer setup and automation of the upgrade process.
- B. ACLs, users, and groups are lost.
- C. Content Migration is required.
- D. Content revision history Is not preserved.
- E. Depending on the version difference between the old and new instances, the upgrade can be a long and arduous process.
Answer: A,E
Explanation:
When performing an in-place upgrade to the latest version of AEM, there are several potential disadvantages to consider:
* Long and Arduous Process:
* The complexity and duration of the upgrade process can be significant, especially if there is a considerable version difference between the old and new AEM instances. This is because the upgrade process must account for all the changes and improvements made over multiple versions, including content structures, APIs, and underlying technologies.
* References:AEM Upgrade Best Practices
* Complex Developer Setup and Automation:
* Upgrading AEM involves setting up and configuring the environment, updating custom code, and ensuring that all integrations work seamlessly. Automating these tasks can be complex and time-consuming, requiring significant developer effort to script and validate the upgrade process.
* References:Automating AEM Upgrades
These disadvantages highlight the potential challenges and resource investments needed for an in-place upgrade.
NEW QUESTION # 21
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 dependencies property of the cq:Clientl_ibraryFolder node
- B. Embed the required libraries into an app-specific client library using the allowProxy property of the cq:Clientl_ibraryFolder node
- C. Embed the required libraries into an app-specific client library using the embed property of the cq:ClientLibraryFolder node
- D. Add the categories property of the cq:Clientl_ibraryFolder node into an app-specific client library folder
Answer: A
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 # 22
Which OSGi configuration values can be used in an AEM as a Cloud Service Implementation?
- A. Inline, secret environment-specific
- B. Inline, restricted. environment-specific
- C. Inline.restricted,runmode-specific
- D. Inline, secret, runmode-specific
Answer: A
Explanation:
In AEM as a Cloud Service, the OSGi configuration values that can be used include Inline, secret, and environment-specific. These configurations provide flexibility and security for managing environment-specific settings and sensitive information.
* Inline Configurations: Inline configurations are directly embedded within the code and are typically used for straightforward configurations.
* Secret Configurations: Secret configurations are used to securely store sensitive information, such as passwords and API keys. These configurations are managed separately to ensure security.
* Environment-Specific Configurations: Environment-specific configurations allow you to tailor settings for different environments (e.g., development, staging, production) without changing the underlying codebase.
Example of using these configurations:
* Inline Configuration:
{
"service.url": "https://api.example.com"
}
Secret Configuration: Managed through Adobe IMS and not directly embedded in the code.
Environment-Specific Configuration:
{
"runmode": "dev",
"service.timeout": "30"
}
References:
* Managing OSGi Configurations in AEM
* Adobe IMS for Secrets Management
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:
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 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 Servlet/Script Resolver and Error Handler - B. 1. Create OSGI models to export as yaml
2. Configure mime type in Apache Sling MIME Type Service - C. 1. Create Sling models to export as yaml
2. Configure mime type in Apache Sling MIME Type Service - D. 1. Create Sling models to export as yaml
2. Configure mime type in Apache Sling Referrer Filter
Answer: C
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 # 25
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 # 26
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. @Component(service = ConfigurationFactory.class)
@Designate(ocd = ConfigurationFactorylmpl.Config.class, factory=true) - B. import org.apache.felix.scr.annotations.Component; @Component(label = "My configuration", metatype = true, factory= true)
- C. import org.osgi.service.metatype.annotations.AttributeDefinition;
import org.osgi.service.metatype.annotations.ObjectClassDefinition;
@ObjectClassDefinition(name = "My configuration") - D. import org.osgi.service.component.annotations.Component; @Component(service = ConfigurationFactory.class)
Answer: A
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 # 27
If multiple configurations for the same PID are applicable, which configuration is applied?
- A. The configuration with the highest number of matching run modes is applied.
- B. The last modified configuration is applied.
- C. The one that occurs first in the repository is applied.
- D. A configuration factory is created and all configurations are applied.
Answer: A
Explanation:
Explanation
When multiple configurations for the same PID are applicable, the configuration with the highest number of matching runmodes is applied. This is because the runmodes act as a filter to select the most specific configuration for a given environment. If there is a tie between two or more configurations with the same number of matching runmodes, the one that occurs first in the repository is applied.
References:https://experienceleague.adobe.com/docs/experience-manager-65/deploying/configuring/configure-ru
NEW QUESTION # 28
Which two unit testing dependencies are generated by AEM archetype? (Select two.)
- A. JUnit
- B. Selenium
- C. Mockito
- D. Hobbes
- E. PowerMock
Answer: A,C
Explanation:
JUnit and Mockito are two unit testing dependencies that are generated by AEM archetype. JUnit is a framework for writing and running unit tests in Java. Mockito is a framework for creating and using mock objects in unit tests. AEM archetype also adds Apache Sling Mocks and AEM Mocks Test Framework by io.wcm as dependencies for unit testing. References:
https://experienceleague.adobe.com/docs/experience-manager-learn/getting-started-wknd-tutorial-develop/projec
NEW QUESTION # 29
An AEM application requires LDAP Service integration to synchronize users/groups. Which two OSGi configuration are required for LDAP integration in AEM? (Select Two.)
- A. Apache Jackrabbit Oak CUG Configuration
- B. Apache Jackrabbit Oak Default Sync Handler
- C. Apache Jackrabbit Oak Solr server provider
- D. Apache Jackrabbit Oak AuthorizableActionProvider
- E. Apache Jackrabbit Oak External Login Module
Answer: B,E
Explanation:
Explanation
The Apache Jackrabbit Oak External Login Module and Apache Jackrabbit Oak Default Sync Handler are the two OSGi configurations that are required for LDAP integration in AEM. The External Login Module defines how AEM connects to the LDAP server and authenticates users against it. The Default Sync Handler defines how AEM synchronizes users and groups from the LDAP server to the repository.
References:https://experienceleague.adobe.com/docs/experience-manager-65/administering/security/ldap-config.
NEW QUESTION # 30
A client has asked to share an HTML version of test coverage report for the AEM project.
What plugin should the AEM developer use to generate test coverage report using latest archetype?
- A.
- B.
- C.
Answer: B
Explanation:
To generate a test coverage report for an AEM project using the latest archetype, the correct plugin to use is the maven-surefire-plugin (Option A). The maven-surefire-plugin is a part of the Maven ecosystem and is widely used to run unit tests within a Maven project. This plugin can be configured to generate detailed test reports, including HTML versions, which can be easily shared with clients.
Here's how to configure the maven-surefire-plugin to generate test coverage reports:
* Add the Plugin to the POM File: Add the maven-surefire-plugin configuration in your pom.xml file:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.22.2</version>
<configuration>
<reportsDirectory>${project.build.directory}/surefire-reports</reportsDirectory>
<reportFormat>html</reportFormat>
<trimStackTrace>false</trimStackTrace>
</configuration>
</plugin>
Execute the Maven Command: Run the following command to execute the tests and generate the coverage report:
mvn clean test
* Locate the Report: The HTML test coverage report will be generated in the target/surefire-reports directory of your project.
References:
* Maven Surefire Plugin Documentation
NEW QUESTION # 31
Which option should be used to synchronize user data across publish servers in a publish farm?
- A. Vault plugin
- B. CURL
- C. Sling Content Distribution
- D. Replication Agents
Answer: C
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 # 32
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. 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.
- D. AEM as a Cloud service does not support OSGi configuration runmodes.
Answer: A
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 # 33
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 dependencies property of the cq:Clientl_ibraryFolder node
- B. Embed the required libraries into an app-specific client library using the allowProxy property of the cq:Clientl_ibraryFolder node
- C. Embed the required libraries into an app-specific client library using the embed property of the cq:ClientLibraryFolder node
- D. Add the categories property of the cq:Clientl_ibraryFolder node into an app-specific client library folder
Answer: A
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 are stored in secured areas of the repository. References:
https://experienceleague.adobe.com/docs/experience-manager-cloud-service/content/implementing/developing/fu
NEW QUESTION # 34
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. @Component(service = ConfigurationFactory.class)
@Designate(ocd = ConfigurationFactorylmpl.Config.class, factory=true) - B. import org.apache.felix.scr.annotations.Component; @Component(label = "My configuration", metatype = true, factory= true)
- C. import org.osgi.service.metatype.annotations.AttributeDefinition;
import org.osgi.service.metatype.annotations.ObjectClassDefinition;
@ObjectClassDefinition(name = "My configuration") - D. import org.osgi.service.component.annotations.Component; @Component(service = ConfigurationFactory.class)
Answer: A
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 # 35
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 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 - B. 1. Create a Proxy Component from Title core component
2. Create a Custom Sling Model that overrides the default behavior
Answer: A
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 # 36
A developer needs to create a project based on AEM Project Archetype with a specific AEM as a Cloud Service SDK version on the local environment.
Which two properties must be defined when creating this project? (Choose two.)
- A. sdkVersion=latest
- B. aemVersion=cloud
- C. aemVersion=2022.5.7575.20220530T152407Z-220401
- D. aemVersion=latest
- E. sdkVersion=2022.5.7575.20220530T152407Z-220401
Answer: B,E
Explanation:
The aemVersion property specifies the target AEM version for the project. To create a project based on AEM as a Cloud Service SDK, the value should be set to cloud. The sdkVersion property specifies the AEM as a Cloud Service SDK version to use for local development. To use a specific SDK version, the value should be set to the exact version number, such as 2022.5.7575.20220530T152407Z-220401. References:
https://experienceleague.adobe.com/docs/experience-manager-core-components/using/developing/archetype/usin
NEW QUESTION # 37
Which configuration/section should be used to resolve the domain name by dispatcher?
- A. Configuration in vhosts file
- B. Configuration in httpd.conf
- C. Configuration in DNS
- D. Configuration in filters.any
Answer: A
Explanation:
To resolve the domain name by the dispatcher, you should configure it in the vhosts file. The vhosts file is part of the Apache HTTP server configuration and allows you to define how requests for different domain names are handled. This is crucial for setting up virtual hosts, which is essential for resolving domain names and directing them to the appropriate content served by your AEM instance.
Here are the detailed steps to configure domain name resolution in the vhosts file:
* Locate the vhosts file: The file is typically located in the conf directory of your Apache HTTP server installation. Common paths are:
* /etc/httpd/conf/httpd.conf (on many Linux systems)
* /usr/local/apache2/conf/httpd.conf (if installed from source)
* Edit the vhosts file: Open the file with a text editor. You might need superuser permissions to edit this file.
* Add a VirtualHost directive: Define a new VirtualHost block for your domain. For example:
<VirtualHost *:80>
ServerName www.example.com
ServerAlias example.com
DocumentRoot "/path/to/your/document/root"
# Dispatcher configuration
<IfModule disp_apache2.c>
SetHandler dispatcher-handler
ModMimeUsePathInfo On
</IfModule>
<Directory "/path/to/your/document/root">
AllowOverride None
Options FollowSymLinks
Require all granted
</Directory>
</VirtualHost>
* ServerName specifies the primary domain name.
* ServerAlias allows you to specify additional names that should resolve to the same content.
* DocumentRoot specifies the directory from which the content should be served.
* The <IfModule disp_apache2.c> section includes the Dispatcher handler configuration.
Restart Apache: After saving the changes to the vhosts file, restart the Apache server to apply the changes.
sudo systemctl restart httpd
# or
sudo service apache2 restart
References:
* Adobe Experience Manager Dispatcher Configuration
* Apache HTTP Server Documentation on VirtualHost
NEW QUESTION # 38
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. Use Adobe Client Data Layer and integrate with Core components.
- B. Create a custom data layer and add each component template, and its properties to the data layer
- C. Create an Adobe Cloud Service configuration to use third-party tool's data layer.
- D. Use Adobe Experience Platform's data layer to integrate with AEM.
Answer: A
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 # 39
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. Create a heap dump for analysis
- B. Open the error log and look for messages with 'OutOfMemoryError'
- C. Analyze the request log and make sure the number of requests are below the expected threshold
- D. Create a thread dump for analysis
- E. Increase the cache ratio of the application
Answer: A,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 # 40
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