Adobe Experience Manager Sites Developer Professional AD0-E123 Exam Practice Test

Answer : A, D

When creating a custom query in AEM's JCR (Java Content Repository), the query's performance is highly dependent on the indexing configuration. For the given query that selects all nodes with a 'status' property equal to 'STARTED' from the 'nt:base' node type, the index must be set up correctly:

Option A, 'nt:base index rule', is correct. The index rule for 'nt:base' must be added to define which properties of nodes of this type are indexed.

Option D, 'status property with propertyIndex = true', is also correct. This index ensures that queries filtering on the 'status' property are executed efficiently. The property index should be set to true, which means that this property is indexed and the query will use this index to filter the results.

Option B is incorrect because setting the property index to false would mean that the property is not indexed, making the query less efficient since the repository would need to scan each node to find matches.

Option C, 'nt:base aggregate', is not mandatory. Aggregates are used to include properties of related nodes in the index, but they are not required for a simple property match like the one in the given query.

Answer : A

In HTL, the format option in the data-sly-use or data-sly-test attribute can be used to format values according to a pattern. The pattern '-#.##%' indicates that the number should be formatted as a percentage with up to two decimal places. The piValue variable would be the number to format, and in this example, it would convert -3.14 to -314%. The @ symbol is used to denote the use of an option with the variable in HTL.

Options B and C are incorrect because they do not use the correct syntax for the format option in HTL. The use of @ is to specify options and not part of the variable or pattern itself.

Answer : A, D

Updating the cache in AEM is critical to ensure that users receive the most current content without unnecessary delays. Two common methods used to update the cache include:

A) Content Updates - Content updates can trigger an invalidation or flush of the cache. When content is published or updated on the AEM author instance and replicated to the publish instance, the dispatcher cache can be set to automatically invalidate the affected pages. This ensures that the next request to these pages serves the latest content.

D) Auto-invalidation on the Dispatcher - The dispatcher can be configured to automatically invalidate cached content under certain conditions, such as when a TTL (Time To Live) expires or when specific actions occur, such as a page activation or deactivation. This is often preferred to manual cache clearing as it can be more efficient and targeted to the specific content that has changed.

Options B and C are incorrect because restarting the AEM Author or Publish instances does not directly relate to cache update methods. These actions are more associated with system maintenance or updates and would not be standard practice for updating cached content.

Answer : A

When accessing the Automated Maintenance Tasks in AEM via the specified URL, the default timing card available is the 'Daily Maintenance Window'. AEM provides a set of pre-configured maintenance tasks that can be run on a daily, weekly, or monthly basis, but the daily window is the standard default card that is presented in the maintenance console for configuring these tasks.

Monthly Maintenance Window (Option B) and Quarterly Maintenance Window (Option C) are not the default options that are presented in the AEM maintenance console.

Answer : A, D

To enable the SAML (Security Assertion Markup Language) Authentication Handler in Adobe Experience Manager (AEM), certain critical properties need to be configured to establish the necessary trust and communication between the Identity Provider (IdP) and the Service Provider (SP, which in this case is AEM).

A) IDPURL (Identity Provider URL) - This property is essential for configuring the SAML Authentication Handler as it specifies the URL of the Identity Provider. This URL is used by AEM to redirect authentication requests to the IdP. It is crucial for initiating the SAML SSO (Single Sign-On) process.

D) Service Provider Entity ID - This is a unique identifier for the Service Provider (AEM in this context). It is used by the Identity Provider to recognize the Service Provider. The Entity ID is a key component of the SAML assertions and is used to ensure that the SAML responses are directed to the correct entity.

B) Password of Key Store is important for securing the communication between IdP and SP by encrypting the SAML assertions, but it is not mandatory for the basic enablement of the SAML Authentication Handler.

C) Identity Provider POST URL is used in scenarios where the SAML response from the IdP is sent via HTTP POST. While it's important for the SAML configuration, the initial enablement and basic functionality of the SAML Authentication Handler primarily depend on the IdP URL and the SP Entity ID.

Answer : B

The Discovery Service is an offloading-related service used by each AEM instance to connect to AEM Topology Connector. The Discovery Service is part of the Sling Discovery framework, which is responsible for detecting and managing the topology of AEM instances. It enables instances to discover each other and establish a clustered topology, which is essential for load-balancing, failover, and other distributed operations.

Option A, 'Cluster Service,' is not a standard term used in AEM for connecting to the Topology Connector.

Option C, 'Topology Connector Service,' is a slightly misleading term; the correct term is Discovery Service, which performs the role described.

Answer : A

Experience Fragments in AEM can be exported to Adobe Target, and the default format for this export is HTML. When Experience Fragments are exported to Adobe Target, they are typically used for personalization and A/B testing. HTML is the format that is readily usable within Adobe Target to create variations of a page or a component for these testing purposes.

XML (Option B) and JSON (Option C) are not the default formats for exporting Experience Fragments to Adobe Target. While they can represent structured data, for the purposes of visual personalization in Adobe Target, the HTML format is used because it can directly represent the markup required for the content to be rendered in a browser.