The Adobe Experience Manager Sites Developer Exam (AD0-E134) is designed for developers who build and maintain sites using Adobe Experience Manager. This exam validates your ability to configure AEM, develop components and templates, manage OSGi services, and troubleshoot real-world issues. This page provides a focused study roadmap covering the core topics and practical strategies to help you prepare efficiently.
Use this topic map to guide your study for Adobe AD0-E134 (Adobe Experience Manager Sites Developer Exam) within the Adobe Experience Manager path.
The AD0-E134 exam uses multiple question types to assess both foundational knowledge and practical decision-making in real AEM development scenarios.
Questions increase in complexity and emphasize practical application, reflecting the skills needed in actual AEM development projects.
A structured study plan mapped to the exam topics ensures you cover all areas systematically and build confidence before test day. Dedicate time each week to one or two topics, practice related questions, and link concepts across installation, development, and deployment workflows.
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Templates and Components, along with Installation and Configuration of AEM, typically account for a significant portion of exam questions because they form the foundation of day-to-day development work. However, all five topics are tested, so balanced preparation across all areas is essential for a strong score.
These topics work together in every AEM implementation. You configure the AEM environment first, then build components and templates within that configured structure, and integrate OSGi services to handle business logic and data processing. Understanding how they interact, rather than studying them in isolation, helps you solve complex real-world scenarios on the exam.
Practical experience with AEM development is highly beneficial. Ideally, you should have worked with component development, template creation, and basic troubleshooting. If you lack hands-on experience, focus on understanding configuration workflows, component patterns, and service integration through study materials and practice tests to build conceptual familiarity.
Candidates often confuse component dialog structures, overlook dispatcher configuration requirements, or misunderstand OSGi service lifecycle and dependency injection. Additionally, rushing through scenario-based questions without carefully reading all options leads to incorrect selections. Take time to analyze each scenario fully and review explanations for practice questions you get wrong.
In the final week, focus on weak topics identified during practice tests rather than re-reading all material. Complete one full-length timed practice test, review detailed explanations, and spend remaining time on troubleshooting scenarios and configuration decisions. Avoid cramming new content; instead, reinforce concepts you already understand and clarify remaining gaps.
What two types of testing are available OOB in AEM Cloud Manager Pipeline? (Select Two.)
A developer has multiple LDAP Authentication providers. The user is not required to pass the authentication test of the Authentication provider
* If authentication succeeds, control is returned to the caller; no subsequent Authentication provider down the list Is executed.
* If authentication fails, authentication continues down the list of providers.
What should be the JAAS Control flag value in Apache Jackrabbit Oak External Login Module configuration?
The JAAS Control flag SUFFICIENT is used when you have multiple LDAP authentication providers and you want the following behavior:
Immediate Return on Success:
If authentication succeeds with the current provider, control is returned to the caller immediately, and no subsequent providers in the list are executed.
This is efficient and reduces unnecessary processing if a user's credentials are successfully authenticated by one of the initial providers.
Continue on Failure:
If authentication fails with the current provider, the authentication process continues down the list of providers until a successful authentication occurs or all providers are exhausted.
This ensures that all available providers are tried before authentication is ultimately denied.
The SUFFICIENT control flag is thus well-suited for configurations where multiple authentication providers are used, and only one successful authentication is needed to grant access.
An AEM application has a Header and Footer authored on every page.
The customer asks for the following:
1. A centralized Header and Footer
2. The ability to create a variation for both the Header and Footer
3. Change the Header and Footer for specific time periods
4. The ability to restore a previous version for both the Header and Footer
What should the developer use to meet the requirements?
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?
When installing a package in AEM and you want to ensure that existing content in the repository is not overwritten while ensuring that content not present in the repository is not removed, you should use the update import mode.
The update import mode performs the following actions:
It updates existing content nodes in the repository with the nodes from the package being installed.
It does not remove any existing nodes or properties in the repository that are not present in the package.
It adds any new nodes or properties from the package to the repository.
This mode is particularly useful when you want to preserve any manual changes or additions that might have been made to the repository content outside of the package installations.
Here's how you can specify the import mode during package installation:
Access Package Manager: Log into your AEM instance and navigate to the CRX Package Manager (e.g., http://localhost:4502/crx/packmgr/index.jsp).
Upload the Package: If the package is not already uploaded, click on 'Upload Package' and select the package file from your local system.
Install the Package: Click on 'Install' for the package you wish to install.
Choose the Import Mode: During the installation process, you will have the option to choose the import mode. Select update from the available options.
Complete Installation: Proceed with the installation. The content will be updated according to the rules defined by the update import mode.
By using the update mode, you ensure that your repository content is updated without losing any existing nodes or properties that are not part of the package.
Adobe Experience Manager Package Manager Documentation
These steps ensure that you manage content updates in a controlled manner, preserving existing repository content while incorporating updates from the installed package.
